chint|next-The Next Reliable Choice - TEST REPORT IEC ...next.chint.com/upload/data/201901-15/153713096426007836.pdf63H.Controller A and controller C are identical except controller

Test Report issued under the responsibility of:

TEST REPORTIEC 60947-6-1

Low-voltage switchgear and controlgear Part 6-1: Multiple function equipment – Transfer switching equipment

Report Number. ............................ : 3311247.50

Date of issue................................. : 2017-12-18

Total number of pages ................. : 87

Name of Testing Laboratorypreparing the Report………………: DEKRA Testing Services (Zhejiang) Co., Ltd.

No.5, Changjiang Road, Great Bridge Industrial Park, North Baixiang, Wenzhou, Zhejiang, 325603, P.R. China

Applicant’s name.......................... : Zhejiang Chint Electrics Co., Ltd.

Address......................................... : No. 1, Chint Road, Chint industrial Zone, North Baixiang, Yueqing, Zhejiang, China

Test specification:

Standard ....................................... : IEC 60947-6-1:2005 (Second Edition) + Am.1:2013 for use in conjunction with IEC 60947-1:2007 (Fifth Edition) + Am.1:2010

Test procedure ............................. : CB Scheme

Non-standard test method ........... : N/A

Test Report Form No.................... : IEC60947_6_1B

Test Report Form(s) Originator.... : SGS Fimko Ltd

Master TRF.................................... : Dated 2014-08

Copyright © 2014 IEC System of Conformity Assessment Schemes for Electrotechnical Equipment and Components (IECEE System). All rights reserved.

This publication may be reproduced in whole or in part for non-commercial purposes as long as the IECEE is acknowledged as copyright owner and source of the material. IECEE takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context.

If this Test Report Form is used by non-IECEE members, the IECEE/IEC logo and the reference to the CB Scheme procedure shall be removed.

This report is not valid as a CB Test Report unless signed by an approved CB Testing Laboratory and appended to a CB Test Certificate issued by an NCB in accordance with IECEE 02.

General disclaimer:

The test results presented in this report relate only to the object tested.This report shall not be reproduced, except in full, without the written approval of the Issuing CB Testing Laboratory. The authenticity of this Test Report and its contents can be verified by contacting the NCB, responsible for this Test Report.

of 87 Report No. 3311247.50

TRF No. IEC60947_6_1B

Test item description...................... : ATSE

Trade Mark...................................... : CHINT

Manufacturer................................... : Zhejiang Chint Electrics Co., Ltd.No. 1, Chint Road, Chint industrial Zone, North Baixiang, Yueqing, Zhejiang, China

Model/Type reference..................... : NXZB-63S, NXZB-63H

Ratings............................................ : 3P and 3P+N, Ue: 400 Vac, Ie: 10, 16, 20, 25, 32, 40, 50, 63 A

Class CB, AC-33B, Ui: 500 V, Uimp: 4 kV

Icm: 9,18 kA, Icn: 6 kA (NXZB-63S)

Icm: 17 kA, Icn: 10 kA (NXZB-63H)

Responsible Testing Laboratory (as applicable), testing procedure and testing location(s):

CB Testing Laboratory: DEKRA Testing Services (Zhejiang) Co., Ltd.

Testing location/ address............................: No.5, Changjiang Road, Great Bridge Industrial Park, North Baixiang, Wenzhou, Zhejiang, 325603, P.R. China

Associated CB Testing Laboratory: N/A

Testing location/ address............................: N/A

Tested by (name, function, signature)........: Ray Zhu

Approved by (name, function, signature)...:

Eric Wang

Testing procedure: TMP/CTF Stage 1: N/A


Tested by (name, function, signature)........: N/A

Approved by (name, function, signature)...: N/A

Testing procedure: WMT/CTF Stage 2: N/A



Witnessed by (name, function, signature)..: N/A


of 87 Report No. 3311247.50


Testing procedure: SMT/CTF Stage 3 or 4:

N/A



Witnessed by (name, function, signature)..: N/A


Supervised by (name, function, signature) : N/A

of 87 Report No. 3311247.50


List of Attachments (including a total number of pages in each attachment):

N/A

Summary of testing:

The following samples were chosen for the type test according to table 6 of IEC / EN 60947-6-1.

Tests performed (name of test and test clause):

No. Type Current VoltageNumber of

polesController

Test sequence

1# NXZB-63S 63 A 400 V 3P+N C

I2# NXZB-63S 63 A 400 V 3P+N A

3# NXZB-63H 63 A 400 V 3P+N C

4# NXZB-63H 63 A 400 V 3P+N A

5# NXZB-63S 63 A 400 V 3P+N AII

6# NXZB-63H 63 A 400 V 3P+N C

11# NXZB-63S 63 A 400 V 3P+N AIII

12# NXZB-63H 63 A 400 V 3P+N C

9# NXZB-63S 63 A 400 V 3P+N AIV

10# NXZB-63H 63 A 400 V 3P+N C

Notes:

1. Model NXZB-63S is series of ATSE. The main part of NXZB-63S is circuit breaker NXB-63, includingthe rated current of 10, 16, 20, 25, 32, 40, 50, 63 A circuit breaker. Model NXZB-63H is series of ATSE. The main part of NXZB-63H is circuit breaker NXB-63H, including the rated current of 10, 16, 20, 25, 32, 40, 50, 63 A circuit breaker.

2. Models NXZB-63S and NXZB-63H are identical except controller and internal circuit breaker, NXZB-63S/4C is equipped with controller C with internal circuit breaker NXB-63, NXZB-63S/4A is equipped with controller A with internal circuit breaker NXB-63, NXZB-63H/4C is equipped with controller C with internal circuit breaker NXB-63H, NXZB-63H/4A is equipped with controller A with internal circuit breaker NXB-63H. Controller A and controller C are identical except controller C increased fire control feedback and generator control function. Circuit breaker NXB-63 and circuit breaker NXB-63H are two different kinds of circuit breakers.

3. Test on 4P (3P+N) is deemed to cover 3P product.

Testing locations:

All tests except sequence II, III, IV were performed in:

DEKRA Testing Services (Zhejiang) Co., Ltd.No.5, Changjiang Road, Great Bridge Industrial Park, North Baixiang,Wenzhou, Zhejiang, 325603, P.R. China

Test sequence II, III, IV were performed in:

Shanghai testing & inspection institute for electrical equipment (STIEE)No. 505 Wu Ning Road, Shanghai, P.R. China

of 87 Report No. 3311247.50


Summary of compliance with National Differences (List of countries addressed):

N/A

The product fulfils the requirements of

EN 60947-6-1:2005 + A1:2014.

of 87 Report No. 3311247.50


Copy of marking plate:

The artwork below may be only a draft. The use of certification marks on a product must be authorized by the respective NCBs that own these marks.

Marking for 4P ATSE

Marking for 4P ATSE

of 87 Report No. 3311247.50


Copy of marking plate:

The artwork below may be only a draft. The use of certification marks on a product must be authorized by the respective NCBs that own these marks.

Marking for 3P ATSE

Marking for 3P ATSE

Notes:

The markings for ATSEs are same except the the type designation, the rated current, the controller and the number of poles.

of 87 Report No. 3311247.50


Test item particulars .............................................. :

Type of equipment ................................................... : ATSE

-class of equipment.................................................. : CB

-method of controlling............................................... : ATSE

-number of poles...................................................... : 3P, 3P+N

-kind of current......................................................... : AC

-operating sequence................................................ : I - II / II - I

-pollution degree ...................................................... : 3

-EMC environment................................................... : A

Rated voltages......................................................... : 400 V

-rated operational voltage Ue (V) .............................. : 400 V

-rated insulation voltage Ui (V).................................. : 500 V

-rated impulse withstand voltage Uimp (kV)............... : 4 kV

Conventional free air thermal current Ith (A) .............. : 10, 16, 20, 25, 32, 40, 50, 63 A

Conventional enclosed thermal current Ithe (A) ......... : N/A

Rated operational current Ie (A)................................ : 10, 16, 20, 25, 32, 40, 50, 63 A

Rated frequency (Hz) ............................................... : 50 / 60 Hz

Uninterrupted duty ................................................... : yes

Utilization category................................................... : AC-33B

Short-circuit characteristic ........................................ :

-rated short-time withstand current Icw (kA)............... : N/A

-rated short-circuit making capacity Icm (kA) ............. : 9,18 kA (NXZB-63S), 17 kA (NXZB-63H)

-rated short-circuit breaking capacity Icn (kA) ............ : 6 kA (NXZB-63S), 10 kA (NXZB-63H)

-rated conditional short-circuit current Iq (kA)............. : N/A

Control circuits......................................................... :

-kind of current......................................................... : AC

-rated frequency (Hz) ............................................... : 50 / 60 Hz

-rated control circuit voltage Uc (V) ........................... : 230 V

-rated control supply voltage Us (V) .......................... : 230 V

Transfer control devices ........................................... : Controller A and Controller C

-monitored supply deviation of ATSE ........................ : Under-voltage: 75% Ue

-voltage deviation .................................................... : ± 5% Ue

-frequency deviation................................................. : N/A

-contact transfer time of TSE (ms) ............................ : 0,5 × (1 ± 50%) s

of 87 Report No. 3311247.50


-off time range of TSE (ms) ...................................... : (0,5 × (1 ± 50%) + closing time delay) s

- opening time delay (ms) ......................................... : 0 s - 30 s (adjustable)

- closing time delay (ms) .......................................... : 0 s (fixed)

-operating transfer time of ATSE (ms)....................... : 1,4 × (1 ± 10%) s

- total operating time (ms)......................................... : (1,4 + time delay) × (1 ± 10%) s

-return transfer time range of ATSE (ms)................... : (1,4 + time delay) × (1 ± 10%) s

Auxiliary circuits ....................................................... :

-rated operational voltage (V) ................................... : N/A

-rated frequency (Hz) ............................................... : N/A

-number of circuits ................................................... : N/A

-number and kind of contact elements....................... : N/A

Motor operator supply circuits................................... :

-rated operational voltage (V) ................................... : N/A

-rated frequency (Hz) ............................................... : N/A

-kind of protective device.......................................... : N/A

Possible test case verdicts:

- test case does not apply to the test object.......... : N/A

- test object does meet the requirement ................ : P (Pass)

- test object does not meet the requirement.......... : F (Fail)

Testing ................................................................... :

Date of receipt of test item..................................... : 2017-04

Date (s) of performance of tests ............................ : 2017-04 - 2017-05

General remarks:

"(See Enclosure #)" refers to additional information appended to the report."(See appended table)" refers to a table appended to the report.

Throughout this report a comma / point is used as the decimal separator.

Manufacturer’s Declaration per sub-clause 4.2.5 of IECEE 02:

The application for obtaining a CB Test Certificate includes more than one factory location and a declaration from the Manufacturer stating that the sample(s) submitted for evaluation is (are) representative of the products from each factory has been provided.......................................................... :

Yes

Not applicable

When differences exist; they shall be identified in the General product information section.

of 87 Report No. 3311247.50


Name and address of factory (ies).........................: Zhejiang Chint Electrics Co., Ltd.

No. 1318, Binhai No. 2 Avenue, Economic and Techinical Development Zone, Wenzhou, Zhejiang, China

General product information:

The technical data of the ATSE are listed on page 8 and page 9 of this report.Safety distance: Front / Back: 0 mm, Left / Right: 35 mm, Up / Down: 35 mm.Nomenclature breakdown:NXZB - 63 S / 4 C a b c d ea - code denoting the series name: NXZBb - code denoting the rated current of frame: 63 Ac - code denoting the short-circuit breaking capacity: S (6 kA), H (10 kA)d - code denoting the number of pole: 3P, 4P (3P+N)e - code denoting the controller: controller A, controller C

of 87 Report No. 3311247.50

IEC 60947-6-1

Clause Requirement + Test Result - Remark Verdict


6 PRODUCT INFORMATION NXZB-63S/4C, 63 A, 3P+N —

1#

6.2 Marking —

Marking on equipment itself or on nameplate or nameplates attached to the equipment and legible when the equipment is installed

P

-manufacturer’s name or trademark ....................... : CHINT P

-type designation or serial number ......................... : NXZB-63S/4C P

-manufacturer's claim for compliance withIEC 60947-6-1 ...................................................... :

IEC / EN 60947-6-1 P

-class of equipment. .............................................. : CB P

-rated operational voltage. ..................................... : 400 V P

-rated operational current ...................................... : 63 A P

-utilization category. .............................................. : AC-33B P

-rated frequency.................................................... : 50 / 60 Hz P

-rated short-circuit making capacity for class PC..... : N/A

-rated short-circuit withstand current and duration... : N/A

-rated conditional short-circuit current and associated SCPD for class PC/CC......................... :

N/A

-rated impulse withstand voltage............................ : 4 kV P

-switching position of the TSE................................ : I / II / O P

Data which may be marked on the equipment and shall be given in the manufacturer’s literature

P

-rated short-circuit making and breaking capacities for Class CB ........................................................:

Icm: 9,18 kA, Icn: 6 kA P

-number of main contact positions ......................... : 3 P

-monitored supply deviation and operating limits..... : Under-voltage: 75% Ue, ± 5%Ue

P

-contact transfer time and off time range for all TSE ............................................................................ :

0,5 × (1 ± 50%) s, (0,5 × (1 ± 50%) + closing time delay) s

P

-operating transfer time and return transfer time range for ATSE..................................................... :

1,4 × (1 ± 10%) s, (1,4 + time delay) × (1 ± 10%) s

P

-time delays and their position in operating sequence.............................................................. :

opening time delay: 0 s - 30 s (adjustable), closing time delay: 0 s (fixed)

P

-environment A or B .............................................. : A P

-length of insulation to be removed before insertion of the conductor into the terminal ........................... :

N/A

of 87 Report No. 3311247.50

IEC 60947-6-1



-maximum number of conductors which may be clamped ............................................................... :

1 P

-for non-universal screwless terminals: s or sol for rigid solid-conductors; r for rigid conductors; f for flexible conductors ................................................ :

N/A

6.3 Instructions for installation, operation and maintenance

Subclause 5.3 of IEC 60947-1 applies

P

7 NORMAL SERVICE, MOUNTING AND TRANSPORT CONDITIONS

NXZB-63S/4C, 63 A, 3P+N —

1#

Clause 6 of IEC 60947-1 applies —

6.1 Normal service conditions P

6.1.1 Ambient air temperature -5 °C - +40 °C P

6.1.2 Altitude < 2000 m P

6.1.3 Atmospheric conditions P

6.1.3.1 Humidity 20 °C, 90%40 °C, 50%

P

6.1.3.2 Pollution degree 3 P

6.1.4 Shock and vibration N/A

6.2 Conditions during transport and storage -25 °C - +55 °C P

6.3 Mounting P

8 CONSTRUCTIONAL AND PERFORMANCE REQUIREMENTS

NXZB-63S/4C, 63 A, 3P+N —

1#

8.1 Constructional requirements

Subclause 7.1 of IEC 60947-1 applies with additions:

—

8.1.1 Resistance to abnormal heat and fire

Subclause 7.1.2 of IEC 60947-1 applies

—

7.1.2

part 1

Materials —

7.1.2.1 General material requirements —

Parts of insulating materials which might be exposed to thermal stresses due to electrical effects within the equipment shall not be adversely affected by abnormal heat and by fire.

P

The manufacturer specifies which test method, 7.1.2.2 or 7.1.2.3, is to be used.............................. :

—

of 87 Report No. 3311247.50

IEC 60947-6-1



7.1.2.2 Glow wire testing —

The suitability of materials used is verified by making tests on ................................................................ :

or

sections taken from the equipment

P

- providing data from the insulating material supplier fulfilling the requirements according to IEC 60695-2-12

N/A

Glow-wire test according to IEC 60695-2-10 and IEC 60695-2-11 —

Parts made of insulating material necessary to retain current-carrying parts in position: test temperature 850 °C or 960 °C

—

Test temperature (°C) ........................................... : 960 °C P

No visible flame and no sustained glowing N/A

Flames and glowing extinguish within 30 s Cover (ATSE), Cover (MCB), Board

P

No ignition of the tissue paper P

When tests on the equipment or on sections taken from the equipment are used, test temperature:

—

from IEC 60947-4-1 for class CC TSE (°C)............. : N/A


Flames and glowing extinguish within 30 s N/A

No ignition of the tissue paper N/A

from IEC 60947-2 for class CB TSE (°C)................ : N/A




from IEC 60947-3 for class PC TSE (°C)................ : N/A




Parts of insulating material not necessary to retain current-carrying parts in position, even though in contact with them: test temperature 650 °C

—

No visible flame and no sustained glowing Handle (ATSE), Handle (MCB) P



7.1.2.3 Test based on flammability category —

of 87 Report No. 3311247.50

IEC 60947-6-1



For parts of insulating materials, hot wire ignition and, where applicable, arc ignition tests as specified in 8.2.1.1.2, shall be made based on flammability category

N/A

Tests on materials are made in accordance with Annex M

N/A

The hot wire ignition (HWI) and arc ignition (AI) test value requirements related to the material flammability category shall conform to Table M.1 or M.2

N/A

Alternatively, the manufacturer may provide data from the insulating material supplier fulfilling the requirements given in Annex M

N/A

8.1.2 Indication of switching position —

I Normal (60417-IEC-5007:2002) P

O Off (60417-IEC-5008:2002) P

II Alternative (60417-IEC-6176:2012) P

8.1.3 Equipment suitable for isolation


—

7.1.7.1

part 1 and part 3

Additional constructional requirements —

-marking according to 5.2.1b N/A

-indication of the position of the contacts N/A

-construction of the actuating mechanism N/A

-minimum clearances across open contacts (see Table 13, Part 1) (mm) ......................................... :

—

-measured clearances (mm) ............................... : N/A

-test Uimp across gap (kV) ................................. : N/A

7.1.7.2

part 1 and part 3

Supplementary requirements for equipment with provision for electrical interlocking with contactors or circuit-breakers:

—

Auxiliary switch is rated according to IEC 60947-5-1 (unless the equipment is rated AC-23)

N/A

Time interval between opening of the contacts of the auxiliary contact and the contacts of the main poles:≥20 ms .............................................................. :

—

Measured time interval (ms) ............................... : N/A

During the closing operation the contacts of the auxiliary switch closes after or simultaneously with the contacts of the main poles

N/A

of 87 Report No. 3311247.50

IEC 60947-6-1



7.1.7.3

part 1 and part 3

Supplementary requirements for equipment provided with means for padlocking the open position:

—

The locking means is so designed that it cannot be removed with the appropriate padlock(s) installed

N/A

Test force F applied to the actuator in an attempt to operate to the closed position (N) ....................... :

—

Rated impulse withstand voltage (kV) ................. : —

Test Uimp on open main contacts at the test force N/A

7.1.3 part 1

Current-carrying parts and their connections —

Current-carrying parts have the necessary mechanical strength and current-carrying capacity for their intended use

P

For electrical connections, no contact pressure is transmitted through insulating material other than ceramic or other material with characteristics not less suitable, unless there is sufficient resiliency in the metallic parts to compensate for any possible shrinkage or yielding of the insulation material

P

7.1.4 part 1

Clearances and creepage distances —

Clearances ........................................................... : see appended table 7 P

Creepage distances .............................................. : see appended table 7 P

Pollution degree ................................................... : 3 —

Comparative tracking index (V) ............................. : 200 V —

Material group ...................................................... : IIIa —

Rated impulse withstand voltage (kV) .................... : 4 kV —

7.1.5 part 1

Actuator —

7.1.5.1 Insulation —

Actuator insulated from live parts for —

- rated insulation voltage 500 V P

- rated impulse withstand voltage 4 kV P

Actuator made of metal —

- connected to a protective conductor or provided with an additional insulation

N/A

Actuator made of or covered by insulating material: —

of 87 Report No. 3311247.50

IEC 60947-6-1



- internal metal parts, which might become accessible in the event of an insulation failure, are also insulated from live parts for the rated insulation voltage

P

7.1.5.2 Direction of movement —

The direction of operation for actuators shall where applicable conform to IEC 60447

P

There is no doubt of the “I” and “O” position and the direction of operation

P

7.1.6 part 1

Indication of contact position —

7.1.6.1 Indicating means P

7.1.6.2 Indication by the actuator P

7.1.8 part 1

Terminals —

7.1.8.1 All parts of terminals which maintain contact and carry current are of metal having adequate mechanical strength

(see 8.2.4 below) P

Terminal connections are such that necessary contact pressure is maintained

(see 8.2.4 below) P

Terminals are so constructed that the conductor is clamped between suitable surfaces without damage to the conductor and terminal

(see 8.2.4 below) P

Terminals do not allow the conductor to be displaced or to be displaced themselves in a manner detrimental to the operator of equipment and the insulation voltage is not reduced below the rated value

(see 8.2.4 below) P

Screwless-type clamping units, unless otherwise specified by the manufacturer, shall accept rigid and flexible conductors as indicated in Table 1

N/A

On screwless-type clamping unit, the connection or disconnection of conductors shall be made as follows:

—

-on universal clamping units by the use of a general purpose tool or a convenient device, integral with the clamping unit to open it for the insertion or withdrawal of the conductors

N/A

-on push-wire clamping units by simple insertion. For the disconnection of the conductors an operation other than a pull only on the conductor shall be necessary. The use of a general purpose tool or of a convenient device, integral with the clamping unit is allowed in order to "open" it and to assist the insertion or the withdrawal of the conductor

N/A

of 87 Report No. 3311247.50

IEC 60947-6-1



8.2.4 part 1

Mechanical properties of terminals —

Mechanical strength of terminals —

Maximum cross-section of conductor (mm²) .......... : 16 mm2

—

Diameter of thread (mm) ...................................... : 5 mm —

Torque (Nm) ........................................................ : 2 Nm —

5 times on 2 separate clamping units P

Testing for damage to and accidental loosening of conductor (flexion test) —

Conductor of the minimum cross-section (mm²) ..... : 0,5 mm2

—

Number of conductors of the minimum cross-section............................................................................ :

1 —

Diameter of bushing hole (mm) ............................. : 6,5 mm —

Height between the equipment and the platen ....... : 260 mm —

Mass at the conductor(s) (kg) ............................... : 0,3 kg —

135 continuous revolutions: the conductor neither slips out of the terminal nor breaks near the clamping unit

P

Pull-out test —

Force (N), applied for 1 min. ................................. : 20 N, 1 min —

During the test, the conductor neither slips out of the terminal nor breaks near the clamping unit

P

Conductor of the maximum cross-section (mm²) .... : 16 mm2 —

Number of conductors of the maximum cross-section.................................................................. :

1 —





P

Pull-out test —



P

Conductor of the minimum and maximum cross-section (mm²) ....................................................... :

—

of 87 Report No. 3311247.50

IEC 60947-6-1



Number of conductors of the minimum cross-section, number of conductors of the maximum cross-section ....................................................... :

—

Diameter of bushing hole (mm) ............................. : —

Height between the equipment and the platen ....... : —

Mass at the conductor(s) (kg) ............................... : —


N/A

Pull-out test —

Force (N), applied for 1 min. ................................. : —


N/A

7.1.8.2 part 1

Connecting capacity —

Type of conductors ............................................... : Unprepared conductor —

Minimum cross-section of conductor (mm²) ........... : 0,5 mm2 —

Maximum cross-section of conductor (mm²) .......... : 16 mm2 —

Number of conductors simultaneously connectable to the terminal ...................................................... :

1 —

7.1.8.3 part 1

Connection —

Terminals for connection to external conductors are readily accessible during installation

P

Clamping screws and nuts do not serve to fix any other component

P

7.1.8.4 part 1

Terminal identification and marking —

Terminal intended exclusively for the neutral conductor

P

Protective earth terminal P

Other terminals N/A

7.1.9 part 1

Additional requirements for equipment provided with a neutral pole —

Equipment provided with a pole intended for the connection of neutral, this pole shall be clearly marked by the letter “N”

P

The switched neutral pole does not break before and does not make after the other poles except

P

of 87 Report No. 3311247.50

IEC 60947-6-1



- a pole having the appropriate short-circuit breaking and making capacity is used as neutral pole, all poles may operate together

N/A

Conventional thermal current of neutral pole P

7.1.10 part 1

Provisions for protective earthing —

7.1.10.1 The exposed conductive parts are electrically interconnected and connected to a protective earth terminal

P

7.1.10.2 Protective earth terminal is readily accessible P

Protective earth terminal is suitably protected against corrosion

P

Electrical continuity between the exposed conductive parts of the protective earth terminal and the metal sheathing of connecting conductors

P

Protective earth terminal has no other functions P

7.1.10.3 Protective earth terminal marking and identification P

7.1.11 part 1

Enclosure for equipment —

7.1.11.1 Design —

When the enclosure is opened, all parts requiring access for installation and maintenance are readily accessible

N/A

Sufficient space is provided inside the enclosure N/A

The fixed parts of a metal enclosure are electrically connected to the other exposed conductive parts of the equipment and connected to a terminal which enables them to be earthed or connected to a protective conductor

N/A

Under no circumstances a removable metal part of the enclosure is insulated from the part carrying the earth terminal when the removable part is in place

N/A

The removable parts of the enclosure are firmly secured to the fixed parts by a device such that they cannot be accidentally loosened or detached owing to the effects of operation of the equipment or vibrations

N/A

When an enclosure is so designed as to allow the covers to be opened without the use of tools, means is provided to prevent loss of the fastening devices

N/A

If the enclosure is used for mounting push-buttons, it is not possible to remove the buttons from the outside of the enclosure

N/A

of 87 Report No. 3311247.50

IEC 60947-6-1




If, in order to prevent accidental contact between a metallic enclosure and live parts, the enclosure is partly or completely lined with insulating material, then this lining is securely fixed to the enclosure

N/A

7.1.12 part 1

Degree of protection of enclosed equipment —

Degree of protection ............................................. : IP30 of front cover P

7.1.13 part 1

Conduit pull-out, torque and bending with metallic conduits —

Withstand the stress occurring during its installation............................................................................ :

N/A

of 87 Report No. 3311247.50

IEC 60947-6-1



6 PRODUCT INFORMATION NXZB-63H/4A, 63 A, 3P+N —

4#

6.2 Marking —

Marking on equipment itself or on nameplate or nameplates attached to the equipment and legible when the equipment is installed

P

-manufacturer’s name or trademark ....................... : CHINT P

-type designation or serial number ......................... : NXZB-63H/4A P

-manufacturer's claim for compliance withIEC 60947-6-1 ...................................................... :

IEC / EN 60947-6-1 P

-class of equipment. .............................................. : CB P

-rated operational voltage. ..................................... : 400 V P

-rated operational current ...................................... : 63 A P

-utilization category. .............................................. : AC-33B P

-rated frequency.................................................... : 50 / 60 Hz P

-rated short-circuit making capacity for class PC..... : N/A

-rated short-circuit withstand current and duration... : N/A

-rated conditional short-circuit current and associated SCPD for class PC/CC......................... :

N/A

-rated impulse withstand voltage............................ : 4 kV P

-switching position of the TSE................................ : I / II / O P

Data which may be marked on the equipment and shall be given in the manufacturer’s literature

P

-rated short-circuit making and breaking capacities for Class CB ........................................................:

Icm: 17 kA, Icn: 10 kA P

-number of main contact positions ......................... : 3 P

-monitored supply deviation and operating limits..... : Under-voltage: 75% Ue, ± 5%Ue

P

-contact transfer time and off time range for all TSE ............................................................................ :

0,5 × (1 ± 50%) s, (0,5 × (1 ± 50%) + closing time delay) s

P

-operating transfer time and return transfer time range for ATSE..................................................... :

1,4 × (1 ± 10%) s, (1,4 + time delay) × (1 ± 10%) s

P

-time delays and their position in operating sequence.............................................................. :

opening time delay: 0 s - 30 s (adjustable), closing time delay: 0 s (fixed)

P

-environment A or B .............................................. : A P

-length of insulation to be removed before insertion of the conductor into the terminal ........................... :

N/A

of 87 Report No. 3311247.50

IEC 60947-6-1



-maximum number of conductors which may be clamped ............................................................... :

1 P

-for non-universal screwless terminals: s or sol for rigid solid-conductors; r for rigid conductors; f for flexible conductors ................................................ :

N/A

6.3 Instructions for installation, operation and maintenance

Subclause 5.3 of IEC 60947-1 applies

P

7 NORMAL SERVICE, MOUNTING AND TRANSPORT CONDITIONS

NXZB-63H/4A, 63 A, 3P+N —

4#

Clause 6 of IEC 60947-1 applies —

6.1 Normal service conditions P

6.1.1 Ambient air temperature -5 °C - +40 °C P

6.1.2 Altitude < 2000 m P

6.1.3 Atmospheric conditions P

6.1.3.1 Humidity 20 °C, 90%40 °C, 50%

P

6.1.3.2 Pollution degree 3 P

6.1.4 Shock and vibration N/A

6.2 Conditions during transport and storage -25 °C - +55 °C P

6.3 Mounting P

8 CONSTRUCTIONAL AND PERFORMANCE REQUIREMENTS

NXZB-63H/4A, 63 A, 3P+N —

4#

8.1 Constructional requirements

Subclause 7.1 of IEC 60947-1 applies with additions:

—

8.1.1 Resistance to abnormal heat and fire


—

7.1.2

part 1

Materials —

7.1.2.1 General material requirements —

Parts of insulating materials which might be exposed to thermal stresses due to electrical effects within the equipment shall not be adversely affected by abnormal heat and by fire.

P

The manufacturer specifies which test method, 7.1.2.2 or 7.1.2.3, is to be used.............................. :

—

of 87 Report No. 3311247.50

IEC 60947-6-1



7.1.2.2 Glow wire testing —

The suitability of materials used is verified by making tests on ................................................................ :

or

sections taken from the equipment

P

- providing data from the insulating material supplier fulfilling the requirements according to IEC 60695-2-12

N/A

Glow-wire test according to IEC 60695-2-10 and IEC 60695-2-11 —

Parts made of insulating material necessary to retain current-carrying parts in position: test temperature 850 °C or 960 °C

—

Test temperature (°C) ........................................... : 960 °C P


Flames and glowing extinguish within 30 s Cover (ATSE), Cover (MCB), Board

P


When tests on the equipment or on sections taken from the equipment are used, test temperature:

—

from IEC 60947-4-1 for class CC TSE (°C)............. : N/A




from IEC 60947-2 for class CB TSE (°C)................ : N/A




from IEC 60947-3 for class PC TSE (°C)................ : N/A




Parts of insulating material not necessary to retain current-carrying parts in position, even though in contact with them: test temperature 650 °C

—

No visible flame and no sustained glowing Handle (ATSE), Handle (MCB) P



7.1.2.3 Test based on flammability category —

of 87 Report No. 3311247.50

IEC 60947-6-1



For parts of insulating materials, hot wire ignition and, where applicable, arc ignition tests as specified in 8.2.1.1.2, shall be made based on flammability category

N/A

Tests on materials are made in accordance with Annex M

N/A

The hot wire ignition (HWI) and arc ignition (AI) test value requirements related to the material flammability category shall conform to Table M.1 or M.2

N/A

Alternatively, the manufacturer may provide data from the insulating material supplier fulfilling the requirements given in Annex M

N/A

8.1.2 Indication of switching position —

I Normal (60417-IEC-5007:2002) P

O Off (60417-IEC-5008:2002) P

II Alternative (60417-IEC-6176:2012) P

8.1.3 Equipment suitable for isolation


—

7.1.7.1

part 1 and part 3

Additional constructional requirements —

-marking according to 5.2.1b N/A

-indication of the position of the contacts N/A

-construction of the actuating mechanism N/A

-minimum clearances across open contacts (see Table 13, Part 1) (mm) ......................................... :

—

-measured clearances (mm) ............................... : N/A

-test Uimp across gap (kV) ................................. : N/A

7.1.7.2

part 1 and part 3

Supplementary requirements for equipment with provision for electrical interlocking with contactors or circuit-breakers:

—

Auxiliary switch is rated according to IEC 60947-5-1 (unless the equipment is rated AC-23)

N/A

Time interval between opening of the contacts of the auxiliary contact and the contacts of the main poles: ≥20 ms .............................................................. :

—

Measured time interval (ms) ............................... : N/A

During the closing operation the contacts of the auxiliary switch closes after or simultaneously with the contacts of the main poles

N/A

of 87 Report No. 3311247.50

IEC 60947-6-1



7.1.7.3

part 1 and part 3

Supplementary requirements for equipment provided with means for padlocking the open position:

—

The locking means is so designed that it cannot be removed with the appropriate padlock(s) installed

N/A

Test force F applied to the actuator in an attempt to operate to the closed position (N) ....................... :

—

Rated impulse withstand voltage (kV) ................. : —

Test Uimp on open main contacts at the test force N/A

7.1.3 part 1

Current-carrying parts and their connections —

Current-carrying parts have the necessary mechanical strength and current-carrying capacity for their intended use

P

For electrical connections, no contact pressure is transmitted through insulating material other than ceramic or other material with characteristics not less suitable, unless there is sufficient resiliency in the metallic parts to compensate for any possible shrinkage or yielding of the insulation material

P

7.1.4 part 1

Clearances and creepage distances —

Clearances ........................................................... : see appended table 8 P

Creepage distances .............................................. : see appended table 8 P

Pollution degree ................................................... : 3 —

Comparative tracking index (V) ............................. : 200 V —

Material group ...................................................... : IIIa —

Rated impulse withstand voltage (kV) .................... : 4 kV —

7.1.5 part 1

Actuator —


Actuator insulated from live parts for —

- rated insulation voltage 500 V P

- rated impulse withstand voltage 4 kV P

Actuator made of metal —

- connected to a protective conductor or provided with an additional insulation

N/A

Actuator made of or covered by insulating material: —

of 87 Report No. 3311247.50

IEC 60947-6-1



- internal metal parts, which might become accessible in the event of an insulation failure, are also insulated from live parts for the rated insulation voltage

P

7.1.5.2 Direction of movement —

The direction of operation for actuators shall where applicable conform to IEC 60447

P

There is no doubt of the “I” and “O” position and the direction of operation

P

7.1.6 part 1

Indication of contact position —

7.1.6.1 Indicating means P

7.1.6.2 Indication by the actuator P

7.1.8 part 1

Terminals —

7.1.8.1 All parts of terminals which maintain contact and carry current are of metal having adequate mechanical strength

(see 8.2.4 below) P

Terminal connections are such that necessary contact pressure is maintained

(see 8.2.4 below) P

Terminals are so constructed that the conductor is clamped between suitable surfaces without damage to the conductor and terminal

(see 8.2.4 below) P

Terminals do not allow the conductor to be displaced or to be displaced themselves in a manner detrimental to the operator of equipment and the insulation voltage is not reduced below the rated value

(see 8.2.4 below) P

Screwless-type clamping units, unless otherwise specified by the manufacturer, shall accept rigid and flexible conductors as indicated in Table 1

N/A

On screwless-type clamping unit, the connection or disconnection of conductors shall be made as follows:

—

-on universal clamping units by the use of a general purpose tool or a convenient device, integral with the clamping unit to open it for the insertion or withdrawal of the conductors

N/A

-on push-wire clamping units by simple insertion. For the disconnection of the conductors an operation other than a pull only on the conductor shall be necessary. The use of a general purpose tool or of a convenient device, integral with the clamping unit is allowed in order to "open" it and to assist the insertion or the withdrawal of the conductor

N/A

of 87 Report No. 3311247.50

IEC 60947-6-1



8.2.4 part 1

Mechanical properties of terminals —

Mechanical strength of terminals —

Maximum cross-section of conductor (mm²) .......... : 16 mm2

—

Diameter of thread (mm) ...................................... : 5 mm —

Torque (Nm) ........................................................ : 2 Nm —

5 times on 2 separate clamping units P

Testing for damage to and accidental loosening of conductor (flexion test) —

Conductor of the minimum cross-section (mm²) ..... : 0,5 mm2

—

Number of conductors of the minimum cross-section............................................................................ :

1 —





P

Pull-out test —



P

Conductor of the maximum cross-section (mm²) .... : 16 mm2 —

Number of conductors of the maximum cross-section.................................................................. :

1 —





P

Pull-out test —



P

Conductor of the minimum and maximum cross-section (mm²) ....................................................... :

—

of 87 Report No. 3311247.50

IEC 60947-6-1



Number of conductors of the minimum cross-section, number of conductors of the maximum cross-section ....................................................... :

—

Diameter of bushing hole (mm) ............................. : —

Height between the equipment and the platen ....... : —

Mass at the conductor(s) (kg) ............................... : —


N/A

Pull-out test —

Force (N), applied for 1 min. ................................. : —


N/A

7.1.8.2 part 1

Connecting capacity —

Type of conductors ............................................... : Unprepared conductor —

Minimum cross-section of conductor (mm²) ........... : 0,5 mm2 —

Maximum cross-section of conductor (mm²) .......... : 16 mm2 —

Number of conductors simultaneously connectable to the terminal ...................................................... :

1 —

7.1.8.3 part 1

Connection —

Terminals for connection to external conductors are readily accessible during installation

P

Clamping screws and nuts do not serve to fix any other component

P

7.1.8.4 part 1

Terminal identification and marking —

Terminal intended exclusively for the neutral conductor

P

Protective earth terminal P

Other terminals N/A

7.1.9 part 1

Additional requirements for equipment provided with a neutral pole —

Equipment provided with a pole intended for the connection of neutral, this pole shall be clearly marked by the letter “N”

P

The switched neutral pole does not break before and does not make after the other poles except

P

of 87 Report No. 3311247.50

IEC 60947-6-1



- a pole having the appropriate short-circuit breaking and making capacity is used as neutral pole, all poles may operate together

N/A

Conventional thermal current of neutral pole P

7.1.10 part 1

Provisions for protective earthing —

7.1.10.1 The exposed conductive parts are electrically interconnected and connected to a protective earth terminal

P

7.1.10.2 Protective earth terminal is readily accessible P

Protective earth terminal is suitably protected against corrosion

P

Electrical continuity between the exposed conductive parts of the protective earth terminal and the metal sheathing of connecting conductors

P

Protective earth terminal has no other functions P

7.1.10.3 Protective earth terminal marking and identification P

7.1.11 part 1

Enclosure for equipment —

7.1.11.1 Design —

When the enclosure is opened, all parts requiring access for installation and maintenance are readily accessible

N/A

Sufficient space is provided inside the enclosure N/A

The fixed parts of a metal enclosure are electrically connected to the other exposed conductive parts of the equipment and connected to a terminal which enables them to be earthed or connected to a protective conductor

N/A

Under no circumstances a removable metal part of the enclosure is insulated from the part carrying the earth terminal when the removable part is in place

N/A

The removable parts of the enclosure are firmly secured to the fixed parts by a device such that they cannot be accidentally loosened or detached owing to the effects of operation of the equipment or vibrations

N/A

When an enclosure is so designed as to allow the covers to be opened without the use of tools, means is provided to prevent loss of the fastening devices

N/A

If the enclosure is used for mounting push-buttons, it is not possible to remove the buttons from the outside of the enclosure

N/A

of 87 Report No. 3311247.50

IEC 60947-6-1




If, in order to prevent accidental contact between a metallic enclosure and live parts, the enclosure is partly or completely lined with insulating material, then this lining is securely fixed to the enclosure

N/A

7.1.12 part 1

Degree of protection of enclosed equipment —

Degree of protection ............................................. : IP30 of front cover P

7.1.13 part 1

Conduit pull-out, torque and bending with metallic conduits —

Withstand the stress occurring during its installation............................................................................ :

N/A

of 87 Report No. 3311247.50

IEC 60947-6-1



9.3.3 TEST SEQUENCE I: PERFORMANCE UNDER NO-LOAD, NORMAL LOAD AND OVERLOAD CONDITION

NXZB-63S/4C, 63 A, 3P+N —

1#

9.3.3.1 Operation of operating mechanism —

The equipment is capable of operating for all conditions of its marked intended performance

P

The operating mechanism prevents simultaneous connection to both normal and alternative supplies

P

For class PC/CC TSE the operating mechanism shall be such that the load circuit cannot remain permanently switched off from both normal and alternative supplies

P

9.3.3.2 Controls, sequence and limits of operation —

9.3.3.2.2 Overvoltage condition Normal supply:

L1: 253,0 V, L2: 253,2 V, L3: 253,1 V

Alternative supply:

L1: 253,2 V, L2: 253,2 V, L3: 253,0 V

4 h

P

9.3.3.2.3 Undervoltage condition of electromagnetic voltage sensing relays

N/A

9.3.3.2.4 Operation on loss of supply voltage see appended table 1-1 P

9.3.3.2.5 Operation on reduction of supply voltage see appended table 1-2 P

9.3.3.2.6 Transfer on availability of alternative voltage see appended table 1-3 P

9.3.3.3 Temperature-rise —

ambient temperature 10-40 C .............................. : 23 C - 25 C —

test enclosure W x H x D (mm x mm x mm) ........... : N/A —

material of enclosure............................................. : N/A —

Main circuits, test conditions: —

-conventional thermal current Ith (A) ...................... : 63 A, test current: 63,0 A —

-conventional enclosed thermal current Ithe (A)...... : N/A —

-cable / busbar cross-section (mm2) / length (mm).. : 16 mm2, 1 m —

Fuse-link details (fuse-combination units only): —

-manufacturer’s name, trademark or identification mark..................................................................... :

N/A —

-manufacturer’s model or type reference................ : N/A —

-rated current (A)................................................... : N/A —

-power loss (W)..................................................... : N/A —

of 87 Report No. 3311247.50

IEC 60947-6-1



-rated breaking capacity (kA) ................................. : N/A —

Measured temperature-rise ................................... : 60 K (Maximum value )

see appended table 9-1, 9-2

P

Auxiliary circuits, test conditions: —

-rated operation current (A) ................................... : N/A —

-cable cross-section (mm2) ................................... : N/A —

Measured temperature-rise ................................... : N/A

9.3.3.4 Dielectric properties —

Rated impulse withstand voltage (kV) ................... : —

-test Uimp main circuits (kV) ................................. : 4,8 kV P

-test Uimp auxiliary circuits (kV) ........................... : N/A

-test Uimp on open main contacts (equipment suitable for isolation) (kV) ...................................... :

4,8 kV P

Power-frequency withstand voltage (V) ................. : 1890 V —

-rated insulation voltage Ui (V)............................... : 500 V P

-main circuits, test voltage for 1 min. (V)................. : 1890 V, 60 s P

-control and auxiliary circuits, test voltage for 1 min.(V)........................................................................ :

1500 V, 60 s P

Devices, which have been disconnected for the power-frequency withstand voltage test ................. .

N/A

Equipment suitable for isolation, leakage current not exceed 0,5 mA

—

Test voltage 1,1 Ue (V) ......................................... : N/A

Test position —

Measured leakage current (mA).......................... L1:

......................................................................... L2:

......................................................................... L3:

......................................................................... .N:

N/A

of 87 Report No. 3311247.50

IEC 60947-6-1




NXZB-63S/4A, 63 A, 3P+N —

2#



P


P


P



L1: 253,0 V, L2: 253,2 V, L3: 253,1 V

Alternative supply:

L1: 253,2 V, L2: 253,2 V, L3: 253,0 V

4 h

P


N/A














N/A —



-power loss (W)..................................................... : N/A —

of 87 Report No. 3311247.50

IEC 60947-6-1






P










4,8 kV P




-control and auxiliary circuits, test voltage for 1 min. (V)........................................................................ :

1500 V, 60 s P


N/A


—


Test position —


......................................................................... L2:

......................................................................... L3:

......................................................................... .N:

N/A

of 87 Report No. 3311247.50

IEC 60947-6-1




NXZB-63H/4C, 63 A, 3P+N —

3#



P


P


P



L1: 253,0 V, L2: 253,2 V, L3: 253,1 V

Alternative supply:

L1: 253,2 V, L2: 253,2 V, L3: 253,0 V

4 h

P


N/A














N/A —



-power loss (W)..................................................... : N/A —

of 87 Report No. 3311247.50

IEC 60947-6-1






P










4,8 kV P





1500 V, 60 s P


N/A


—


Test position —


......................................................................... L2:

......................................................................... L3:

......................................................................... .N:

N/A

of 87 Report No. 3311247.50

IEC 60947-6-1




NXZB-63H/4A, 63 A, 3P+N —

4#



P


P


P



L1: 253,0 V, L2: 253,2 V, L3: 253,1 V

Alternative supply:

L1: 253,2 V, L2: 253,2 V, L3: 253,0 V

4 h

P


N/A














N/A —



-power loss (W)..................................................... : N/A —

of 87 Report No. 3311247.50

IEC 60947-6-1






P










4,8 kV P





1500 V, 60 s P


N/A


—


Test position —


......................................................................... L2:

......................................................................... L3:

......................................................................... .N:

N/A

of 87 Report No. 3311247.50

IEC 60947-6-1



TEST SEQUENCE II: OPERATING PERFORMANCE

NXZB-63S/4A, 63 A, 3P+N —

5#

9.3.3.5 Making and breaking capacities —

-utilization category ............................................... : AC-33B —

-rated operational voltage Ue (V) ........................... : 400 V —

-rated operational current Ie (A) ............................. : 63 A —


-manufacturer's name, trademark or identification mark .................................................................... :

—

-manufacturer's model or type reference ............... : —

-rated current (A) .................................................. : —

-power loss (W) .................................................... : —

-rated breaking capacity (kA) ................................ : —

Test conditions, make/break operations: —

-test voltage, U = 1,05 x Ue (V).................. ... L1-L2:................................................................ ....L2-L3:................................................................ ....L1-L3:

427 V426 V424 V

—

-test current, I = 10 x Ie (A) ………………..……...L1:…………………………………………………….....L2:………………………………………………….…....L3:

637 A636 A634 A

—

-power factor......................................................... : 0,47 —

-transient recovery voltage (V) .............................. : 424 V (minimum) P

-current duration (ms) ........................................... : 392 ms (minimum) P

-time interval between operation (s) ...................... : 60 s P

Number of make/break operations......................... : N/A

Number of make/break operations with both supplies operated simultaneously .......................... :

5 cycles P

Characteristic of transient recovery voltage —

-oscillatory frequency (kHz) ................................... : 54,2 kHz - 66,2 kHz —

-measured oscillatory frequency (kHz) .................. : 60,7 kHz P

-factor ................................................................ : 1,12 P

9.3.3.5.4 Behaviour of the equipment during making and breaking capacity tests

P

9.3.3.5.4 Condition of the equipment after making and breaking capacity tests

P

9.3.3.6 Operational performance capability —

-utilization category ..............................................: AC-33B —

of 87 Report No. 3311247.50

IEC 60947-6-1



-rated operational voltage Ue (V) ..........................: 400 V —

-rated operational current Ie (A) ............................: 63 A —

9.3.3.6.1 Derived TSE —

8.2.1.2 Transfer times measured shall be in compliance with clause 8.2.1.2

N/A

9.3.3.6.2 Test conditions electrical performance cycles —

-test voltage, U = 1,05 x Ue (V)………………..L1-L2:…………………………………………………....L2-L3:…………………………………………………....L1-L3:

427 V426 V424 V

—

-test current, I = 1 x Ie (A) ………………………...L1:…………………………………………………….....L2:………………………………………………….…....L3:

64,2 A64,1 A63,9 A

—

-power factor......................................................... : 0,82 —

Number of cycles with current................................ : 1500 cycles P

Duration of operating cycles .................................. : 60 s P

9.3.3.6.2 Behaviour of the equipment during operational performance tests

P

Condition of the equipment after operational performance tests

P

9.3.3.4 Dielectric verification —

test voltage (2 x Ue) for 1min (V) (min.1000V) ....... : 1000 V, 1 min —

No breakdown or flashover P

9.3.3.4 Leakage current —

test voltage (1,1 x Ue) (V) ..................................... : —

Test position —

Leakage current ≤ 2 mA .......................................L1:………………………………………….………….....L2:………………………………………….………….....L3:………………………………………….…………......N:

N/A


Time delay: 0 s

Operating transfer time: 1,44 s

Return transfer time: 1,45 s

Off time: 498 ms

P

9.3.3.3 Temperature-rise verification —



—


-rated current (A) .................................................. : —

of 87 Report No. 3311247.50

IEC 60947-6-1



-power loss (W) .................................................... : —


-conductor cross-section (mm²) ............................ : 16 mm2 —

-test current Ie (A) ................................................ : 63 A —



P

9.3.3.6.3 Test conditions mechanical performance cycles —

Number of cycles without current ........................... : 4500 cycles P


9.3.3.6.3 Condition of the equipment after mechanical performance tests —

9.3.3.1 The equipment is capable of operating for all conditions of its marked intended performance

P


P


P

9.3.3.2.4 Operation on loss of power supply voltage ............. : P

Measured transfer time (ms) ................................. : see appended table 5 P

of 87 Report No. 3311247.50

IEC 60947-6-1



TEST SEQUENCE II: OPERATING PERFORMANCE

NXZB-63H/4C, 63 A, 3P+N —

6#

9.3.3.5 Making and breaking capacities —

-utilization category ............................................... : AC-33B —

-rated operational voltage Ue (V) ........................... : 400 V —

-rated operational current Ie (A) ............................. : 63 A —



—


-rated current (A) .................................................. : —

-power loss (W) .................................................... : —


Test conditions, make/break operations: —

-test voltage, U = 1,05 x Ue (V).................. ... L1-L2:................................................................ ....L2-L3:................................................................ ....L1-L3:

427 V426 V424 V

—

-test current, I = 10 x Ie (A) ………………..……...L1:…………………………………………………….....L2:………………………………………………….…....L3:

637 A636 A634 A

—

-power factor......................................................... : 0,47 —

-transient recovery voltage (V) .............................. : 424 V (minimum) P

-current duration (ms) ........................................... : 391 ms (minimum) P

-time interval between operation (s) ...................... : 60 s P

Number of make/break operations......................... : N/A

Number of make/break operations with both supplies operated simultaneously .......................... :

5 cycles P

Characteristic of transient recovery voltage —

-oscillatory frequency (kHz) ................................... : 54,2 kHz - 66,2 kHz —

-measured oscillatory frequency (kHz) .................. : 60,5 kHz P

-factor ................................................................ : 1,09 P

9.3.3.5.4 Behaviour of the equipment during making and breaking capacity tests

P

9.3.3.5.4 Condition of the equipment after making and breaking capacity tests

P

9.3.3.6 Operational performance capability —

-utilization category ..............................................: AC-33B —

of 87 Report No. 3311247.50

IEC 60947-6-1



-rated operational voltage Ue (V) ..........................: 400 V —

-rated operational current Ie (A) ............................: 63 A —

9.3.3.6.1 Derived TSE —


N/A

9.3.3.6.2 Test conditions electrical performance cycles —

-test voltage, U = 1,05 x Ue (V)………………..L1-L2:…………………………………………………....L2-L3:…………………………………………………....L1-L3:

427 V426 V424 V

—

-test current, I = 1 x Ie (A) ………………………...L1:…………………………………………………….....L2:………………………………………………….…....L3:

64,2 A64,1 A63,9 A

—

-power factor......................................................... : 0,82 —

Number of cycles with current................................ : 1500 cycles P


9.3.3.6.2 Behaviour of the equipment during operational performance tests

P

Condition of the equipment after operational performance tests

P


test voltage (2 x Ue) for 1min (V) (min.1000V) ....... : 1000 V, 1 min —

No breakdown or flashover P

9.3.3.4 Leakage current —

test voltage (1,1 x Ue) (V) ..................................... : —

Test position —

Leakage current ≤ 2 mA .......................................L1:………………………………………….………….....L2:………………………………………….………….....L3:………………………………………….…………......N:

N/A


Time delay: 0 s

Operating transfer time: 1,46 s

Return transfer time: 1,45 s

Off time: 509 ms

P




—


-rated current (A) .................................................. : —

of 87 Report No. 3311247.50

IEC 60947-6-1



-power loss (W) .................................................... : —


-conductor cross-section (mm²) ............................ : 16 mm2 —

-test current Ie (A) ................................................ : 63 A —



P

9.3.3.6.3 Test conditions mechanical performance cycles —

Number of cycles without current ........................... : 4500 cycles P


9.3.3.6.3 Condition of the equipment after mechanical performance tests —

9.3.3.1 The equipment is capable of operating for all conditions of its marked intended performance

P


P


P

9.3.3.2.4 Operation on loss of power supply voltage ............. : P

Measured transfer time (ms) ................................. : see appended table 6 P

of 87 Report No. 3311247.50

IEC 60947-6-1



TEST SEQUENCE III: VERIFICATION OF SHORT-CIRCUIT CAPABILITIES

NXZB-63S/4A, 63 A, 3P+N —

11#

9.3.4 Performance under short-circuit conditions —

9.3.4.2.2 Short-circuit making capacity —

Rated short-circuit making capacity Icm (kA) ......... : 9,18 kA —

-test voltage (V)…………………………………L1-L2:……………………………………….……...……L2-L3:……………………………………………...…….L3-L1:

436 V435 V437 V

—

-r.m.s test current (kA) ……………. ……………...L1:………………………………………………..……....L2:……………………………………………….…….....L3:

6,18 kA (Ip: 9,40 kA)6,10 kA6,05 kA

—

-power factor......................................................... : 0,70 —

-current duration (s) .............................................. : 6,0 ms —

Maximum peak test current (kA) ........................... : 4,7 kA P

Time interval between the cycles ........................... : N/A —

Behaviour of the equipment during the test P

9.3.4.3 c) Conditions of the equipment after the test —


-conductor cross-section (mm²) ............................ : —

-test current Ie (A) ................................................ : —



test voltage (2 x Ue) for 1min (V) (min.1000V) ....... : —

No breakdown or flashover N/A

9.3.4.2.3 Short-circuit breaking capacity —

Documents

chint|next-The Next Reliable Choice - TEST REPORT IEC ...next.chint.com/upload/data/201901-15/153713096426007836.pdf63H.Controller A and controller C are identical except controller