IECEx TEST REPORT IEC 60079 Electrical equipment for explosive …support.elmark.com.pl/moxa/products/Switche_przemyslowe... · 2010-04-13 · IEC 60079-15, Third Edition, Table 1

60079-0_4:2004 4th ed.(ver 4a)

ExTR Reference Number .............. : N/A

ExTR Free Reference Number...... : US/UL 08NK12123

Complied by + signature (ExTL) .... : William Li

Reviewed by + signature (ExTL) ... : Susan K. Kim

Date of issue.................................. : 2009-10-30

Ex Testing Laboratory (ExTL)........ : Underwriters Laboratories

Address.......................................... : 333 Pfingsten Road, Northbrook, IL 60062 USA

Applicant’s name ........................... : Moxa Inc.

Address.......................................... : 4th FL, 135 Lane 235 Pao Chiao Rd.

Shing Tien City Taipei, 23145, Taiwan

Standard ........................................ : IEC 60079-0:2004, Fourth edition

Test procedure............................... : IECEx Scheme

Test Report Form No..................... : ExTR60079-0_4A

TRF Originator ............................... : Sira Test & Certification

Master TRF.................................... : dated 2006-09

Instructions for Intended Use of Ex Test Report: This ExTR blank document is to be compiled and reviewed by the ExTL. The ExTR package in which this ExTR is incorporated (comprised of a single ExTR document or multiple ExTR documents) is to be accompanied by a single ExTR Cover Sheet, which is to be approved by the ExCB. ExTR Addendum(s) and/or ExTR Report of National Differences may also supplement this ExTR.

Copyright © 2006 International Electrotechnical Commission Scheme for Certification to Standards Relating to Equipment for use in Explosive Atmospheres (IECEx), Geneva, Switzerland. All rights reserved.

This publication may be reproduced in whole or in part for non-commercial purposes as long as the IECEx is acknowledged as copyright owner and source of the material. IECEx 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.

Possible test case verdicts:

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

- test object does meet the requirement........................ :Pass

General remarks: The tests 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 testing laboratory. "(see Attachment #)" refers to additional information appended to the report. "(see appended table)" refers to a table appended to the report. Throughout this report a point is used as the decimal separator.

IECEx TEST REPORT IEC 60079

Electrical equipment for explosive gas atmospheres Part 0: General requirements

Page 2 of 12 Report No. US/UL 08NK12123

60079-0_4:2004 4th ed.(ver 4a)

IEC 60079-0

Clause Requirement – Test Result – Remark Verdict

1 SCOPE

2 NORMATIVE REFERENCES

3 TERMS AND DEFINITIONS

4 APPARATUS GROUPING AND TEMPERATURE CLASSIFICATION

4.1 Apparatus grouping The subject devices are grouped as Group II devices

Pass

4.2 Group II Pass

4.2.1 Group II subdivisions Subject Apparatus are suitable for use as a Group IIC Apparatus

Pass

4.2.2 Group II – Surface temperature marking

Subject Products are marked with a Temperature Code of T4

Pass

4.2.3 Apparatus for a particular explosive atmosphere

Apparatus is not intended for use in a Particular Explosive atmosphere

N/A

5 TEMPERATURES

5.1 Environmental influences Temperature generation by the subject devices and external temperature influences are addressed in Clause 5.1.1 and 5.1.2

Pass

5.1.1 Ambient temperatures Subject Products are marked with either one of the following: -40°C ≤ Ta ≤ +75°C, or -40°C ≤ Tamb ≤ +75°C

Pass

5.1.2 External source of heating or cooling

No external source of heating or cooling NA

5.2 Service temperature Subject Products are tested in accordance with Clause 26.5.1

Pass

5.3 Maximum surface temperature

5.3.1 Determination of maximum surface temperature

The highest maximum surface temperature obtained during the temperature test is 120oC on Model EDS-518. For all other model’s maximum temperature, see attached datasheets for temperature tests.

Pass

5.3.2 Limitation of maximum surface temperature

Pass

5.3.2.1 Group I electrical apparatus Subject Products are not Group I apparatus N/A

5.3.2.2 Group II electrical apparatus The highest maximum surface temperature obtained during the temperature test is 120oC on Model EDS-518, therefore, subject Products are marked with T-code T4

Pass


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IEC 60079-0


5.4 Surface temperature and ignition temperature

This Clause is not applicable per the requirements of EN 60079-15: 2005, Table 1 or IEC 60079-15, Third Edition, Table 1

N/A

5.5 Small component temperatures N/A

6 REQUIREMENTS FOR ALL ELECTRICAL APPARATUS

6.1 General Subject Products are constructed in accordance with this standard and IEC 60079-15, Third Edition

Pass

6.2 Mechanical strength of apparatus

No mechanical tests are necessary since the Subject Products are to be installed in a an IP54 enclosure by the end-user

N/A

6.3 Opening times This Clause is not applicable per the requirements of EN 60079-15: 2005, Table 1 or IEC 60079-15, Third Edition, Table 1

N/A

6.4 Circulating current Subject devices utilize an adequate bonding system

N/A

6.5 Gasket retention Subject Products are to be installed in an IP54 enclosure by the end-user

N/A

7 NON-METALLIC ENCLOSURES AND NON-METALLIC PARTS OF ENCLOSURES

7.1 General

7.1.1 Applicability Type of Protection does not depend on enclosure. Subject Products are to be installed in an IP54 enclosure by the end-user

N/A

7.1.2 Specification of materials Type of Protection does not depend on enclosure. Subject Products are to be installed in an IP54 enclosure by the end-user

N/A

7.1.3 Plastic materials Type of Protection does not depend on enclosure. Subject Products are to be installed in an IP54 enclosure by the end-user

N/A

7.2 Thermal endurance Type of Protection does not depend on enclosure. Subject Products are to be installed in an IP54 enclosure by the end-user

N/A

7.3 Electrostatic charges on enclosures or parts of enclosures

7.3.1 Applicability Type of Protection does not depend on enclosure. Subject Products are to be installed in an IP54 enclosure by the end-user

N/A

7.3.2 Avoidance of a build-up of electrostatic charge

Type of Protection does not depend on enclosure. Subject Products are to be installed in an IP54 enclosure by the end-user

N/A


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IEC 60079-0


7.4 Threaded holes Type of Protection does not depend on enclosure. Subject Products are to be installed in an IP54 enclosure by the end-user

N/A

8 ENCLOSURES CONTAINING LIGHT METALS

8.1 Material Composition

8.1.1 Group I Type of Protection does not depend on enclosure. Subject Products are to be installed in an IP54 enclosure by the end

N/A

8.1.2 Group II Type of Protection does not depend on enclosure. Subject Products are to be installed in an IP54 enclosure by the end

N/A

8.2 Threaded Holes Type of Protection does not depend on enclosure. Subject Products are to be installed in an IP54 enclosure by the end

N/A

9 FASTENERS

9.1 General Type of Protection does not depend on enclosure or fasteners. Subject Products are to be installed in an IP54 enclosure by the end-user.

N/A

9.2 Special fasteners This Clause is not applicable per the requirements of EN 60079-15: 2005, Table 1 or IEC 60079-15, Third Edition, Table 1

N/A

9.3 Holes for special fasteners This Clause is not applicable per the requirements of EN 60079-15: 2005, Table 1 or IEC 60079-15, Third Edition, Table 1

N/A

9.3.1 Thread engagement This Clause is not applicable per the requirements of EN 60079-15: 2005, Table 1 or IEC 60079-15, Third Edition, Table 1

N/A

9.3.2 Tolerance and clearance This Clause is not applicable per the requirements of EN 60079-15: 2005, Table 1 or IEC 60079-15, Third Edition, Table 1

N/A

9.3.3 Hexagon socket set screw This Clause is not applicable per the requirements of EN 60079-15: 2005, Table 1 or IEC 60079-15, Third Edition, Table 1

NA

10 Interlocking devices This Clause is not applicable per the requirements of EN 60079-15: 2005, Table 1 or IEC 60079-15, Third Edition, Table 1

N/A

11 Bushings Subject Products are to be installed in an IP54 enclosure by the end-user

N/A

12 Materials used for cementing This Clause is not applicable per the requirements of EN 60079-15: 2005, Table 1 or IEC 60079-15, Third Edition, Table 1

N/A

13 EX COMPONENTS


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IEC 60079-0


13.1 General This Clause is not applicable per the requirements of EN 60079-15: 2005, Table 1 or IEC 60079-15, Third Edition, Table 1

N/A

13.2 Mounting internal to apparatus This Clause is not applicable per the requirements of EN 60079-15: 2005, Table 1 or IEC 60079-15, Third Edition, Table 1

N/A

13.3 Mounting external to apparatus This Clause is not applicable per the requirements of EN 60079-15: 2005, Table 1 or IEC 60079-15, Third Edition, Table 1

N/A

14 CONNECTION FACILITIES AND TERMINAL COMPARTMENTS


N/A

14.2 Connection space This Clause is not applicable per the requirements of EN 60079-15: 2005, Table 1 or IEC 60079-15, Third Edition, Table 1

N/A

14.3 Type of protection This Clause is not applicable per the requirements of EN 60079-15: 2005, Table 1 or IEC 60079-15, Third Edition, Table 1

N/A

14.4 Creepage and clearance This Clause is not applicable per the requirements of EN 60079-15: 2005, Table 1 or IEC 60079-15, Third Edition, Table 1

N/A

15 CONNECTION FACILITIES FOR EARTHING OR BONDING CONDUCTORS

15.1 Internal There are no internal wire connections in the Subject Models.

Pass

15.2 External The Subject Models also utilize an external grounding screw near the power supply terminal.

Pass

15.3 Apparatus not requiring earthing Subject devices require earthing N/A

15.4 Size of conductor connection The external grounding conductor is 4mm2 or higher

Pass

15.5 Protection against corrosion All connection facilities are protected from corrosion since the Subject Models will be installed in an IP54 enclosure

Pass

15.6 Secureness All connection facilities are protected from loosening or twisting since the Subject Models will be installed in an IP54 enclosure

Pass

16 ENTRIES INTO ENCLOSURES

16.1 General Subject Products are to be installed in an IP54 enclosure by the end-user

N/A

16.2 Identification of entries Subject Products are to be installed in an IP54 enclosure by the end-user

N/A

16.3 Cable glands Subject Products are to be installed in an IP54 enclosure by the end-user. Cable glands are not utilized

N/A


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IEC 60079-0


16.4 Blanking elements Subject Products are to be installed in an IP54 enclosure by the end-user

N/A

16.5 Conductor temperature The following statement in regards to the conductor temperature is stated in the Special Condition of Safe Use, Installation Instructions and Marking Label: “Conductors suitable for use in an ambient temperature of 93°C must be used for the Power Supply Terminal”

Pass

17 SUPPLEMENTARY REQUIREMENTS FOR ROTATING ELECTRICAL MACHINES

17.1 Fans and fan hoods This Clause is not applicable per the requirements of EN 60079-15: 2005, Table 1 or IEC 60079-15, Third Edition, Table 1

N/A

17.2 Ventilation openings for external fans


N/A

17.3 Construction and mounting of the ventilation systems


N/A

17.4 Clearances for the ventilating This Clause is not applicable per the requirements of EN 60079-15: 2005, Table 1 or IEC 60079-15, Third Edition, Table 1

N/A

17.5 Materials for external fans and fan hoods


N/A

17.6 Equipotential bonding conductors


N/A

18 SUPPLEMENTARY REQUIREMENTS FOR SWITCHGEAR

18.1 Flammable dielectric Subject Products do not have switchgears N/A

18.2 Disconnectors Subject Products do not have switchgears N/A

18.3 Group I – Provisions for locking Subject Products do not have switchgears N/A

18.4 Doors and covers Subject Products do not have switchgears N/A

19 Supplementary requirements for fuses


N/A

20 SUPPLEMENTARY REQUIREMENTS FOR PLUGS AND SOCKETS

20.1 Interlocking This Clause is not applicable per the requirements of EN 60079-15: 2005, Table 1 or IEC 60079-15, Third Edition, Table 1

N/A

20.2 Energized plugs This Clause is not applicable per the requirements of EN 60079-15: 2005, Table 1 or IEC 60079-15, Third Edition, Table 1

N/A


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IEC 60079-0


21 SUPPLEMENTARY REQUIREMENTS FOR LUMINAIRES


N/A

21.2 Covers This Clause is not applicable per the requirements of EN 60079-15: 2005, Table 1 or IEC 60079-15, Third Edition, Table 1

N/A

21.3 Special lamps This Clause is not applicable per the requirements of EN 60079-15: 2005, Table 1 or IEC 60079-15, Third Edition, Table 1

N/A

22 SUPPLEMENTARY REQUIREMENTS FOR CAPLIGHTS, CAPLAMPS AND HANDLAMPS

22.1 Group I caplights and handlights Subject Products are not caplights, caplamps or handlamps

N/A

22.2 Group II caplights and handlights

Subject Products are not caplights, caplamps or handlamps

N/A

23 APPARATUS INCORPORATING CELLS AND BATTERIES

23.1 Batteries Subject Products do not utilize Batteries or cells N/A

23.2 Cell types Subject Products do not utilize Batteries or cells N/A

23.3 Cells in a battery Subject Products do not utilize Batteries or cells N/A

23.4 Ratings of batteries Subject Products do not utilize Batteries or cells N/A

23.5 Mixture of cells Subject Products do not utilize Batteries or cells N/A

23.6 Interchangeability Subject Products do not utilize Batteries or cells N/A

23.7 Charging of primary batteries Subject Products do not utilize Batteries or cells N/A

23.8 Leakage Subject Products do not utilize Batteries or cells N/A

23.9 Connections Subject Products do not utilize Batteries or cells N/A

23.10 Orientation Subject Products do not utilize Batteries or cells N/A

23.11 Replacement of cells or batteries Subject Products do not utilize Batteries or cells N/A

24 Documentation Pass

25 Compliance of prototype or sample with documents

Pass

26 TYPE TESTS

26.1 General Temperature Testing is all that is required for this standard. All other tests specified in this standard do not apply to Subject Models

Pass

26.2 Test configuration Pass

26.3 Tests in explosive test mixtures Specific explosive test mixtures were not used N/A


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IEC 60079-0


26.4 Tests of Enclosures Subject Products are for installation into an IP54 enclosure. Tests considered unnecessary

N/A

26.4.1 Order of tests Subject Products are for installation into an IP54 enclosure. Tests considered unnecessary

N/A

26.4.1.1 Metallic enclosures, metallic parts of enclosures and glass of parts of enclosures

Subject Products are for installation into an IP54 enclosure. Tests considered unnecessary

N/A

26.4.1.2 Non-metallic enclosures or non-metallic parts of enclosures


N/A

26.4.1.2.1 Group I electrical apparatus Subject Products are for installation into an IP54 enclosure. Tests considered unnecessary

N/A

26.4.1.2.2 Group II electrical apparatus Subject Products are for installation into an IP54 enclosure. Tests considered unnecessary

N/A

26.4.2

Test for resistance to impact/Required results


N/A

26.4.3 Drop test/Required results Subject Products are for installation into an IP54 enclosure. Tests considered unnecessary

N/A

26.4.4 Acceptance criteria Subject Products are for installation into an IP54 enclosure. Tests considered unnecessary

N/A

26.4.5 Tests for the degree of protection IP by enclosures


N/A

26.4.5.1 Test procedure Subject Products are for installation into an IP54 enclosure. Tests considered unnecessary

N/A

26.4.5.2 Acceptance criteria Subject Products are for installation into an IP54 enclosure. Tests considered unnecessary

N/A

26.5 Thermal tests

26.5.1 Temperature measurement Temperature Test conducted to determine Temperature Code: The highest maximum surface temperature obtained during the temperature test for all models is 120oC (EDS-518), therefore, T-Code T4 is obtained

Pass

26.5.2 Thermal shock test Subject Products are for installation into an IP54 enclosure. Tests considered unnecessary

N/A

26.5.3 Small component ignition test

26.5.3.1 General All components have been assessed and the component that displayed the max. Temp. Resulted in the T-code given

N/A

26.5.3.2 Procedure N/A

26.5.3.3 Acceptance criteria N/A

26.6 Torque test for bushings

26.6.1 Test procedure Subject Products are for installation into an IP54 enclosure. Tests considered unnecessary

N/A


N/A

26.7 Tests of non-metallic enclosures or of non-metallic parts of enclosures

26.7.1 General Subject Products are for installation into an IP54 enclosure. Tests considered unnecessary

N/A

26.7.2 Temperature during tests Subject Products are for installation into an IP54 enclosure. Tests considered unnecessary

N/A


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IEC 60079-0


26.8 Thermal endurance to heat Subject Products are for installation into an IP54 enclosure. Tests considered unnecessary

N/A

26.9 Thermal endurance to cold Subject Products are for installation into an IP54 enclosure. Tests considered unnecessary

N/A

26.10 Resistance to light Subject Products are for installation into an IP54 enclosure. Tests considered unnecessary

N/A

26.10.1 Applicability Subject Products are for installation into an IP54 enclosure. Tests considered unnecessary

N/A

26.10.2 Test procedure Subject Products are for installation into an IP54 enclosure. Tests considered unnecessary

N/A


N/A

26.11 Resistance to chemical agents for Group I electrical apparatus


N/A

26.12 Earth Continuity Subject Products are for installation into an IP54 enclosure. Tests considered unnecessary

N/A

26.13 Surface resistance test of parts of enclosures of non-metallic materials


N/A

26.14 Charging test

26.14.1 Introduction Subject Products are for installation into an IP54 enclosure. Tests considered unnecessary

N/A

26.14.2 Principle of the test Subject Products are for installation into an IP54 enclosure. Tests considered unnecessary

N/A

26.14.3 Samples and apparatus Subject Products are for installation into an IP54 enclosure. Tests considered unnecessary

N/A

26.14.4 Ambient conditions Subject Products are for installation into an IP54 enclosure. Tests considered unnecessary

N/A

26.14.5 Conditioning Subject Products are for installation into an IP54 enclosure. Tests considered unnecessary

N/A

26.14.6 Determination of the most efficient charging method

26.14.6.1 Method A: Rubbing with a pure polyamide cloth (figure 6)


N/A

26.14.6.2 Method B: Rubbing with a cotton cloth


N/A

26.14.6.3 Method C: Charging by influence with a d.c. high-voltage power supply (figure 8)


N/A

26.14.7 Assessment of discharge Subject Products are for installation into an IP54 enclosure. Tests considered unnecessary

N/A

26.15 Measurement of capacitance

26.15.1 Test procedure Subject Products are not handheld devices N/A

26.15.2 Acceptance criteria Subject Products are not handheld devices N/A


60079-0_4:2004 4th ed.(ver 4a)

IEC 60079-0


27 Routine verifications and tests Routine Dielectric test will be conducted during production per EN60079-15:2005

Pass

28 MANUFACTURER'S RESPONSIBILITY

28.1 Certificate Pass

28.2 Responsibility for marking Pass

29 MARKING Pass

29.1 Location Markings are placed on the side of the Subject Products

Pass

29.2 General Markings include the following for the Subject Products: 1) Moxa Inc or registered trade mark 2) Address of manufacturer 3) Subject Model as stated in the Certificate 4) Year of construction (embedded in P/N in label) 5) CE Mark 6) The Marking of Explosion Protection

7) II 3 G 8) Ex 9) nC nL 10) IIC 11) Temperature Code T4 12) Temperature Range: -40°C ≤ Ta ≤ +75°C, or -40°C ≤ Tamb ≤ +75°C 13) Part Number or Batch Number 14) Certificate No. with “X” mark: 15) Production Serial Number

Pass

29.3 Different types of protection The complete Subject Products utilize the nC nL protection methods

Pass

29.4 Order of marking Pass

29.5 Ex components Subject Products are not Ex components N/A

29.6 Small apparatus and Ex components

N/A


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29.7 Extremely small apparatus and Ex components

N/A

29.8 Warning markings No warning marking required N/A

29.9 Cells and batteries Subject Products do not utilize batteries N/A

29.10 Example of marking Pass

30 INSTRUCTIONS

30.1 General Installation Instructions contain the following: 1) Recapitulation of the Markings 2) Instructions for safe use, maintenance, installation and adjustment 3) Electrical Parameters 4) Special conditions of safe use 5) Certificates used for compliance

Pass

30.2 Cells and batteries Subject Products do not utilize batteries N/A

Annex A (Normative)

EX CABLE GLANDS

A.1 General N/A

A.2 Constructional requirements

A.2.1 Cable sealing N/A

A.2.2 Materials

A.2.2.1 Exposed parts N/A

A.2.2.2 Elastomeric sealing rings N/A

A.2.2.3 Filling compounds N/A

A.2.3 Clamping

A.2.3.1 General N/A

A.2.3.2 Group II cable glands N/A

A.2.4 Lead-in of cable

A.2.4.1 Sharp edges N/A

A.2.4.2 Point of entry N/A

A.2.5 Released by a tool N/A

A.2.6 Fixing N/A

A.2.7 Degree of protection N/A

A.3 Type Tests

A.3.1 Tests of clamping of non-armoured and braided cables

A.3.1.1 Cable glands with clamping by the sealing ring

N/A


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IEC 60079-0


A.3.1.2 Cable glands with clamping by the filling compound

N/A

A.3.1.3 Cable glands with clamping by means of a clamping device

N/A

A.3.1.4 Tensile test N/A

A.3.1.5 Mechanical strength N/A

A.3.2 Tests of clamping of armoured cables

A.3.2.1 Tests of clamping where the armourings are clamped by a device within the gland

N/A

A.3.2.1.1 Tensile test N/A

A.3.2.1.1 Mechanical strength N/A

A.3.2.2 Tests of clamping where the armourings are not clamped by a device within the gland

N/A

A.3.3 Ageing test for material used for elastomeric sealing rings

N/A

A.3.4 Type test for resistance to impact

N/A

A.3.5 Type test for degree of protection (IP) of cable entries

N/A

A.4 Marking

A.4.1 Marking of cable entries N/A

A.4.2 Marking of cable sealing rings N/A

Annex B (Normative)

Table B.1 – Clauses with which Ex components shall comply N/A

IECEx TEST REPORT Section 1

To be completed by ExCB

ExTR60079-15/Version 1 Page 1 of 32

Reference No: US/UL 08NK12123

ExCB: N/A

Standard:

IEC 60079-15 : 2005 Third Edition

Electrical apparatus for explosive gas atmospheres – Part 15: Construction, test and marking of type of protection "n" electrical apparatus

Field of application This form is to be used when assessing and testing electrical apparatus for explosive atmospheres according to the standard specified in the adjoining column. The test results are valid for the tested items only.

Reproduction This report must not be reproduced other than in its entirety except with the prior written approval of the issuing body

This test report may only be used for the IECEx Scheme and must be accompanied by an ExTR cover page issued by an ExCB

Amendments: None

Instructions for use to issuing ExCBs This is a simpler version of the ExTR and requires the following: 1) The Ex Test Laboratory to provide a Test Report, in English, for attachment to Section 2. A suitable format may be determined by the ExTL to satisfy this requirement. The Test laboratory should ensure that the specific requirements of each individual clause of the relevant Standard are clearly identified in the attached Test Report. 2) The issuing ExCB shall then ensure that there is a clear link between the clause in Section 1 and the location of the associated test result in Section 2. The manufacturer’s documents should include drawings and photographs. The comment columns can be used to e.g. specify test values, applied alternative requirements/tests or to refer to enclosed additional pages with comments. Each clause in this ExTR form must contain an entry of either “Pass” or “Fail” or “N/A” Abbreviations: N/A = Not applicable for the assessment/test of the equipment and its design documentation. The applicant is the body/person who has requested the assessment/test and to which the results, as specified in this report, are provided

Product name Model/Type designation Industrial Ethernet Switches and Media Converter Industrial Ethernet Switch Series EDS-305, EDS-316,

EDS-516A, EDS-518A, Industrial Media Converter Series IMC-101 and Model IMC-101G.

Serial No Code (e.g. Ex II T ) Ambient temperature [min-max] N/A Ex nC nL IIC T4, Ex nC IIC T4 -40 °C to +75 °C

Applicant [name and postal address] Manufactured by [name and postal address] Moxa Inc. 4th Floor, 135 Lane 235 Pao Chiao Rd, Shing Tien City, Taipei, 23145, Taiwan

Moxa Inc. 4th Floor, 135 Lane 235 Pao Chiao Rd, Shing Tien City, Taipei, 23145, Taiwan

Test sample received [date] 2008-08-01

Product description The Subject Models are DIN rail mounted industrial application Ethernet communication devices. They are intended for Industrial Applications, pollution degree 2 environments. They are microcomputer-based and communicate via interfaces through wire. Subject Models are of the open type and are intended for installation into a suitable enclosure.

The equipment complies with the standard [yes/no] Prepared by William Li

Date [year-month-day]

Yes [signature]

2009-10-30

Report No US/UL 08NK12123 Issuer Underwriters Laboratories



ExCB: N/A

Results

Clause

Pass Fail N/A Comments ExCB Review

1 Scope

2 Normative references

3 Terms and definitions

4 General

4.1 Apparatus grouping and temperature classification

X Subject Models are described as follows: 1) Group IIC Apparatus 2) Temperature Classification: T4

4.2 Potential ignition sources

X Sealed Device and Energy Limted apparatus

5 Temperatures

5.1 Environmental influences

5.1.1 Ambient temperature

X Ambient Temperature Range for Subject Models is -40°C to +75°C. Marking Label states: -40°C ≤ Ta ≤ +75°C or -40°C ≤ Tamb ≤ +75°C

5.1.2 External source of heating or cooling

X The Subject Models are not intended for physical installation to an external source of heating or cooling

5.2 Service temperature

X Apparatus tested in accordance Clause 26.5.1 of IEC 60079-0, 4th Edition to determine service temperature (T-code)

5.3 Maximum surface temperature

5.3.1 Determination of maximum surface temperature

X Apparatus tested in accordance Clause 26.5.1 of IEC 60079-0, 4th Edition to determine service temperature (T-code)

5.3.2 Limitation of maximum surface temperature

X Temperature Code of Subject Models is T4

5.4 Surface temperature and ignition temperature

X The highest maximum surface temperature recorded during the Temperature Test: 120°C on Model EDS-518. All apparatus are marked with T4

5.5 Small components

X

6 Requirements for electrical apparatus




ExCB: N/A

Results

Clause


6.1 General

X Subject Models comply with this standard and IEC60079-0, 4th Edition

6.2 Mechanical strength of apparatus

X No Mechanical Tests are necessary due to the fact that the Subject Models are intended for installation into an End-User supplied IP 54 enclosure. ATEX Certificate number includes the “X” to note Condition of Safe Use.

6.3 Opening times

X Subject Models do not apply since the products are evaluated as the “nC nL” protection methods

6.4 Circulating currents

X Subject Models are provided with an external earthing screw

6.5 Gasket retention

X Subject Models do not rely upon Gaskets to meet the Protection Method requirements since subject Models are intended for installation into an End-User supplied IP 54 enclosure

6.6 Degree of protection of enclosure (IP)

6.6.1 Minimum degree of protection

X Subject Models are intended for installation into an End-User supplied IP 54 enclosure. ATEX Certificate number includes the “X” to note Condition of Safe Use

6.6.2 Degree of protection provided by installation

X Subject Models are intended for installation into an End-User supplied IP 54 enclosure. ATEX Certificate number includes the “X” to note Condition of Safe Use

6.7 Clearances, creepage distances and separations

6.7.1 General

X Determination of Clearance and Creepage distances was not considered necessary due to the Subject Products meeting the requirements of Low Power Apparatus (Clause 23)

6.7.2 Determination of working voltage

X The max. working voltage of Subject Models is 48 VDC. Subject Models are Low Power Apparatus meeting the requirements of Clause 23

6.7.3 Conformal coating

X Creepage and Clearance values are not required

6.7.4 Comparative tracking index (CTI)

X CTI value is unnecessary due to Subject Models being Low Power Apparatus




ExCB: N/A

Results

Clause


6.7.5 Measurement of creepage and clearance

X Creepage and Clearance values are not required

6.7.6 Compound filled cable sealing boxes

X Compound filled cabling sealing boxes are not utilized by Subject Products

6.8 Electric strength

6.8.1 Insulation from earth or frame

X Dielectric Strength Test conduct to the requirements of UL 508 where the potential was 1000V.

6.8.2 Insulation between conductive parts

X Subject Products were not subjected to the exception of 6.7.1

7 Non-metallic enclosures and non-metallic parts of enclosures

7.1 General

X Subject Products are intended for end-user installation into a suitable IP 54 enclosure

7.2 Thermal endurance


7.3 Electrostatic charges on external non-metallic materials of enclosures


7.4 Threaded holes


7.5 Thermal shock


7.6 Resistance to light


8 Enclosures containing light metals

8.1 Material composition


8.2 Threaded holes


9 Fasteners

9.1 General





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9.2 Special fasteners


10 Interlocking device


11 Bushings


12 Materials used for cementing


13 Ex components

13.1 Type of protection “n”

X Subject Products are not Ex Components

13.2 Mounting


13.3 Internal mounting


13.4 External mounting


14 Connection facilities and terminal compartments

14.1 General X The Supply terminal block are of the screw type so contact pressure is always maintained

14.2 Connection for external conductors

14.2.1 Connection facilities

X Terminal blocks are utilized

14.2.1.1 Terminals

X Terminal blocks are of the screw down type, contact pressure will be maintained and the conductors will not be reduced in cross-sectional area.

14.2.1.2 Permanently connected cable, provided with loose leads

X

Terminal blocks are utilized

14.2.2 Conductor accommodation

X Acceptable conductor size range is 0.081 mm2 - 3.31 mm2

14.2.3 Cable glands

X Cable glands are not utilized

14.3 Internal connection facilities

X There are no internal wire connections in the Subject Models.




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15 Connection facilities for earthing or bonding conductors

X The Power Supply Terminal contains redundant power inputs consisting of (V1+, V1-) and (V2+, V2-). The Subject Models also utilize an external grounding screw near the power supply terminal. Terminal blocks accept power supply wires ranging from 0.081 mm2 to 3.31 mm2 . The protective conductor can range from 0.081 mm2 to 3.31 mm2

as well. The external grounding conductor is 4mm2 or higher. All connection facti lies are protected from corrosion since the Subject Models will be installed in an IP54 enclosure

16 Entries into enclosures

X The following statement in regards to the conductor temperature is stated in the Special Condition of Safe Use, Installation Instructions and Marking Label: “Conductors suitable for use in an ambient temperature of 93°C must be used for the Power Supply Terminal”

17 Supplementary requirements for non-sparking electrical machines

17.1 General

X Subject Products are rotating machines

17.1.1 Machine enclosure


17.1.2 Terminal boxes


17.1.3 Conduit stopping boxes, cable sealing and dividing boxes


17.2 Connection facilities for external conductors


17.3 Neutral point connections


17.4 Radial air gap


17.5 Ventilation systems


17.6 Bearing seals and shaft seals




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17.6.1 Non-rubbing seals and labyrinths


17.6.2 Rubbing seals


17.7 Rotor cages

17.7.1 Rotor cages built from bars connected to end rings


17.7.2 Cast rotor cages


17.7.3 Assessment for possible air gap sparking


17.8 Surface temperature limitation

17.8.1 Prevention of thermal ignition


17.8.2 Operation with a frequency convertor or a non-sinusoidal supply

17.8.2.1 Type test methods


17.8.2.2 Type test


17.8.2.3 Alternative type test by calculation


17.9 Additional requirements for machines with rated voltage greater than 1 kV

17.9.1 General X Subject Products are rotating machines

17.9.1.1 Assessment and test


17.9.1.2 “As new” condition


17.9.1.3 High-voltage rated machines


17.9.2 Potential incendivity of the stator winding insulation system





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18 Supplementary requirements for switchgear

X Subject Products do not have switchgears

19 Supplementary requirements for non-sparking fuses and fuse assemblies

19.1 Fuses

X Fuse (F1) is not a conventional type of fuse which this clause requires to comply. It is a non-rewirable, non-indicating, non-replaceable soldered Polyswitch. Model No. RXEF160 manufactured by Tyco Electronics Corp

19.2 Temperature class of an apparatus

X

19.3 Fuse mounting

X

19.4 Fuse enclosures

X

19.5 Replacement fuse identification

X

20 Supplementary requirements for non-sparking plugs and sockets

20.1 Plugs and sockets for external connections

X Subject Products are are intended for end-user installation into a suitable IP 54 enclosure

20.2 Maintaining degree of protection


20.3 Plugs and sockets for internal connections

X Subject Products do not have any internal connections

20.4 Sockets that do not have plugs inserted in normal operation


21 Supplementary requirements for non-sparking luminaires

21.1 General

X Subject Products are not Luminaires

21.2 Construction 21.2.1 General X Subject Products are not Luminaires




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21.2.2 Enclosure of lamp X Subject Products are not Luminaires 21.2.3 Mounting arrangement


21.2.4 Lampholders 21.2.4.1 General X Subject Products are not Luminaires

21.2.4.2 Bayonet non-sparking lampholders


21.2.4.3 Screw non-sparking lampholders


21.2.4.4 Bi-pin non-sparking lampholders


21.2.5 Auxiliaries

21.2.5.1 General X Subject Products are not Luminaires

21.2.5.2 Glow-type starters


21.2.5.3 Electronic starters and ignitors


21.2.5.4 Starter holders


21.2.5.5 Ballasts


21.2.6 Reflectors X Subject Products are not Luminaires

21.2.7 Creepage distances and clearances


21.2.8 Terminals

21.2.8.1 General X Subject Products are not Luminaires 21.2.8.2 Looping connections


21.2.8.3 Internal connections


21.2.8.4 Screw type lampholder polarity


21.2.9 External and internal wiring


21.2.10 Endurance tests and thermal tests

21.2.10.1 General X Subject Products are not Luminaires

21.2.10.2 Thermal test (normal operation)





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21.2.10.3 Thermal test (abnormal conditions)

21.2.10.3.1 Temperatures except for windings


21.2.10.3.2 Temperatures for windings


21.2.10.4 Surface temperatures

21.2.10.4.1 Restricted-breathing luminaires


21.2.10.4.2 Other luminaires


21.2.10.4.3 Illuminated surfaces


21.2.11 Resistance to dust and moisture


21.2.12 Insulation resistance and electric strength


21.3 Other apparatus containing light sources


22 Supplementary requirements for apparatus incorporating non-sparking cells and batteries

X No batteries

22.1 Categorization of cells and batteries

X No batteries

22.1.1 Type 1 cells and batteries

X No batteries


X No batteries


X No batteries

22.2 General requirements for cells and batteries of types 1 and 2

X No batteries

22.2.1 Maximum capacity

X No batteries

22.2.2 Secondary cells

X No batteries




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22.2.3 Cell connection

X No batteries

22.2.4 Discharge mode

X No batteries

22.2.5 Temperature

X No batteries

22.2.6 Creepage and clearance

X No batteries

22.2.7 Connections

X No batteries

22.2.8 Connecting cells in series

X No batteries

22.2.9 Deep discharge protection

X No batteries

22.2.10 Temperature test conditions

X No batteries

22.2.11 Battery packs

X No batteries

22.2.12 Battery pack connections

X No batteries

22.2.13 Cell electrolyte and gas release

X No batteries

22.2.14 Excessive load draw

X No batteries

22.3 Charging of type 1 cells and batteries

22.3.1 Temperature range

X No batteries

22.3.2 Charger specifications

X No batteries

22.3.3 Charging separated cells or batteries

X No batteries

22.3.4 Charger limitations

X No batteries

22.3.5 Charging outside the hazardous area

X No batteries

22.4 Charging of type 2 cells and batteries

22.4.1 Temperature range

X No batteries

22.4.2 Charger specifications

X No batteries

22.4.2.1 Charging separated cells or batteries

X No batteries

22.4.2.2 Charger limitations

X No batteries




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22.4.2.3 Gassing during charging

X No batteries

22.4.2.4 Charging outside the hazardous area

X No batteries

22.5 Requirements for type 3 secondary batteries

22.5.1 Types of permissible batteries

X No batteries

22.5.2 Battery containers

22.5.2.1 Internal surfaces

X No batteries

22.5.2.2 Mechanical requirements

X No batteries

22.5.2.3 Creepage distances

X No batteries

22.5.2.4 Covers

X No batteries

22.5.2.5 Cell assembly

X No batteries

22.5.2.6 Liquid extraction

X No batteries

22.5.2.7 Ventilation

X No batteries

22.5.2.8 Plugs and sockets

X No batteries

22.5.2.9 Polarity marking

X No batteries

22.5.2.10 Other apparatus

X No batteries

22.5.2.11 Insulation resistance

X No batteries

22.5.3 Cells

22.5.3.1 Lids

X No batteries

22.5.3.2 Support

X No batteries

22.5.3.3 Electrolyte maintenance

X No batteries

22.5.3.4 Expansion space

X No batteries

22.5.3.5 Filling and vent plugs

X No batteries

22.5.3.6 Electrolyte seals

X No batteries

22.5.4 Connections

22.5.4.1 Intercell connections

X No batteries




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22.5.4.2 Temperature assessment

X No batteries

22.5.4.3 Connector protection

X No batteries

22.6 Verification and tests

22.6.1 Insulation resistance

X No batteries

22.6.2 Mechanical shock test

X No batteries

23 Supplementary requirements for non-sparking low power apparatus

X IP54 enclosure provided by end user, used in pollution 2 degree environment, Transient protection provided by end user.

24 Supplementary requirements for non-sparking current transformers

X Subject Products do not utilize transformers

25 Other electrical apparatus

X

26 General supplementary requirements for apparatus producing arcs, sparks or hot surfaces

X Subject Products utilize ‘Sealed Device’ and ‘Energy Limited’ protection methods.

27 Supplementary requirements for enclosed-break devices and non-incendive components producing arcs, sparks or hot surfaces

27.1 Type testing


27.2 Ratings

27.2.1 Enclosed-break devices


27.2.2 Non-incendive components


27.3 Construction of enclosed-break devices

27.3.1 Free internal volume





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27.3.2 Continuous operating temperature (COT) requirements


27.3.3 Seal protection


28 Supplementary requirements for hermetically sealed devices producing arcs, sparks or hot surfaces


29 Supplementary requirements for sealed devices or encapsulated devices producing arcs, sparks or hot surfaces

29.1 Non-metallic materials

X The Subject Products utilize one Relay, Model TX2-3V manufactured by Matsushita Electric Works Ltd. During the Temperature Test, the relay was recorded to have a max. temperature of 108°C. Relays were tested as Sealed Devices “nC” in accordance with Clause 33.5

29.2 Opening

X Relays cannot be opened in Normal Operation

29.3 Internal spaces

X Relays do not have an internal volume greater than 100 cm2 and are soldered onto the printed circuit board

29.4 Handling

X Subject Products are capable of withstanding normal handling and assembly operations without damage

29.5 Resilient gasket and seals

Resin: A-2500BK. The Glass transition temperature (Tg) for A-2500NK is 118oC. The glass transition temperature (Tg) were considered as the Continuous Operating Temperature (COT). The max. temperature measured off of the relay is 108°C plus 10°C is 118°C, therefore the seal is acceptable.

29.6 Encapsulating compounds

X Relays utilize the poured seal approach

29.7 Thickness of encapsulant

X Relays utilize the poured seal approach

29.8 Type tests

X Relays were tested per the requirements of Clause 33.5




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30 Supplementary requirements for energy-limited apparatus and circuits producing arcs, sparks or hot surfaces

30.1 General

X

30.2 Associated energy-limited apparatus

X

30.3 Energy-limited apparatus

X

30.4 Self protected energy-limited apparatus

X

Resistors are utilized to limit the current and Voltage Regulators to limit the voltage. Analysis of the Switches is done with account of the non-energy-limit circuit

30.5 Separation of conducting parts

X Apparatus comply with Cl. 23.

30.6 Plugs and sockets

X Plugs and sockets are not utilized

30.7 Protection against polarity reversal

X Switches are the only component that need to be verified for operating within an energy-limited circuit

30.8 Requirements for components on which energy limitation depends

30.8.1 Ratings of components

X




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EDS-305 – Based on drawing #1199002001700, V2.0, Page 2 of 6 contains 1 make/break switch (S1). S1 is protected by a Resistor – RN1, where the component has to be operational within 2/3 of its rated rating. Resistors (RN1) – Manufactured by SMD Resistance Value = 4.7 kΩ Wattage Rating = 0.1 W Tolerance = 5% = 235Ω Voltage across resistor = 3.3V 2/3 Power Derating: 2/3 Rated Power = 2/3 (0.1W) = 0.067W PowerActual = V2/(R-Rtolerance) = (3.3)2/(4.7k-235) = 0.00244W, since 0.00244W is less than 0.067W, the resistors are 2/3 power derated. Voltage Regulator (U4) – Model L4978, manufactured by ST. Ambient Temperature = TA = 75°C Junction Temperature = TJ = 150°C Thermal Resistance Junction to ambient = RΘJA = 90°C/W The switch circuit for this model is same as the Model EDS-308 and EDS-405 under 08ATEX0717913X and 08ATEX0712961 respectively. The electrical measurements datasheets from 08ATEX0712961 are attached with this project: Measured VIN = 21.62 V Measured IIN = 75.1 mA Measured VOUT = 3.38 V Measured IOUT = 144.5 mA 2/3 Power Derating: PowerRated = TJ - TA / RΘJA = (150-75)/90 = 0.834 W 2/3 PowerRated = 2/3 (0.834W) = 0.556 W For voltage regulator U4, power dissipation was calculated by comparing the measured values with the part manufacturer specification datasheets shown in Figure 18 and Figure 19 for power dissipation. In accordance with the Voltage Regulator’s datasheet the measured input voltage of 21.62 V and the measured current of 75.1 mA results in a wattage of less than 200 mW. Also, in accordance with the Voltage Regulator’s datasheet, the measured output voltage of 3.38V and measured current of 144.5 mA results in a wattage less than 200 mW. Since the wattage is less than 200 mW, therefore less than 2/3 PowerRated (0.556 W), the Voltage Regulator is 2/3 derated.




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EDS-316 – Based on drawing #1199003160000, V1.1, Page 4 of 5 contains two make/break switches (SW1, SW2). SW1 & SW2 are protected by Resistors (R187, R188, R125, R123, R124, R12, R179, R174, R64, R56, R53, R43, R26, R3, R10, R11, & R5) where these components have to be operational within 2/3 of their rated rating. Resistors (R187, R188, R125, R123, R124, R12, R179, R174, R64, R56, R53, R43, R26, R3, R10, R11, & R5) – Manufactured by SMD Resistance Value = 4.7 kΩ Wattage Rating = 0.1 W Tolerance = 5% = 235Ω Voltage across resistor = 3.3V 2/3 Power Derating: 2/3 Rated Power = 2/3 (0.1W) = 0.067W PowerActual = V2/(R-Rtolerance) = (3.3)2/(4.7k-235) = 0.00244W, since 0.00244W is less than 0.067W, the resistors are 2/3 power derated. Voltage Regulator (U4) – Model L4978, manufactured by ST. Ambient Temperature = TA = 75°C Junction Temperature = TJ = 150°C Thermal Resistance Junction to ambient = RΘJA = 90°C/W The switch circuit for this model is same as the Model EDS-308 and EDS-405 under 08ATEX0717913X and 08ATEX0712961 respectively. The electrical measurements datasheets from 08ATEX0712961 are attached with this project: Reference EDS-305’s analysis listed above. Since the wattage is less than 200 mW, therefore less than 2/3 PowerRated (0.556 W), the Voltage Regulator is 2/3 derated.




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IMC-101G – Based on drawing #1199001010000, Page 8 contains 2 make/break components (S1, S2) S1 & S2 is protected by Resistor (R38, RN1) where the component has to be operational within 2/3 of their rated rating. Resistor (R38, RN1) – Manufactured by SMD Resistance Value = 4.7 kΩ Wattage Rating = 0.1 W Tolerance = 5% = 235Ω Voltage across resistor = 3.3V 2/3 Power Derating: 2/3 Rated Power = 2/3 (0.1W) = 0.067W PowerActual = V2/(R-Rtolerance) = (3.3)2/(4.7k-235) = 0.00244W, since 0.00244W is less than 0.067W, the resistors are 2/3 power derated. Voltage Limiting Circuit - The following voltage regulator circuit components were chosen to 2/3 derate: Q1, D12, R40 and R42 (Analysis is based on DEMKO 08 ATEX 0717913X where the same power circuit was employed in models EDS-308 and EDS-309) Transistor (Q1) – Model AP15P10GH/J, manufactured by Advanced Power Electronics Corp. Ambient Temperature = TA = 75°C Junction Temperature = TJ = 150°C Thermal Resistance Junction to ambient = RΘJA = 110°C/W PowerRated= TJ - TA / RΘJA = (150-75)/110 = 0.68 W 2/3 PowerRated = 2/3(1.136W) = 0.45 W Measured Current = 144.9 mA From Transistor’s Datasheet = RDS(ON) = 210 mΩ PowerActual = I2RDS(ON) = (144.9 mA) 2 (210 mΩ) = 0.004409 W Since Power Actual (0.004409 W) is less than 2/3 PowerRated (0.45 W), Q1, therefore, is 2/3 derated for power and current. VoltageRated = 100V 2/3 Voltage Rated = 2/3 (100) = 66.67V VoltageActual = 48.4 V (open circuit voltage) Since VoltageActual (48.4V) is less than 2/3 Voltage Rated (100 V), the Transistor (Q1) is 2/3 Voltage derated. Resistor (R40) – Rated 100 kΩ, 0.1 W, 5% tolerance. PowerRated = 0.1 W 2/3 PowerRated = 0.1(2/3) = 0.0667 W Power Actual = V2/(R-Rtolerance) = (3.3)2/(100k-5k) = 0.000115 W Since Power Actual (0.000115W) is less than 2/3 PowerRated (0.0667 W), the Resistor is 2/3 derated.




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Power Actual = V2/(R-Rtolerance) = (3.3)2/(100k-5k) = 0.000115 W Since Power Actual (0.000115W) is less than 2/3 PowerRated (0.0667 W), the Resistor is 2/3 derated. Resistor (R42) – Rated 31.6 kΩ, 0.1 W, 1% tolerance. PowerRated = 0.1 W 2/3 PowerRated = 0.1(2/3) = 0.0667 W Power Actual = V2/(R-Rtolerance) = (3.3)2/(31.6k-316) = 0.000348 W Since Power Actual (0.0003348W) is less than 2/3 PowerRated (0.0667 W), the Resistor is 2/3 derated. Diode (D12) - Model SK56, manufactured by Chino-Excel Technology. Rated Max. dc blocking voltage: 60 V. To determine the rated current of the Diode, Figure 1 of the Diode’s datasheet was utilized with the temperature of the Diode from the Temperature Test. The diode temperature recorded is 79°C. According to Figure 1, a lead temperature of 79°C results in an average forward current of 5 A. Current Rated = 5 A 2/3 Current Rated = 2/3 (5) = 3.33 A To determine the actual current, the following formula from the voltage regulator’s datasheet was utilized: ID = Iout (1-D), where D is the Duty Cycle and Iout is the max. current drawn by the device. Duty Cycle = D = Vout +Vd/(Vin+Vd), where Vout = 3.3 V, Vin = 48 V (max. rated voltage of the device) and Vd = 0.67 V (max. forward voltage). D = (3.3+0.67)/(48+0.67) = 0.0815 ID = Iout (1-D) = 235.8 mA (1-0.0815) = 0.2165 A Since ID (actual current) (0.2165 A) is less than 2/3 Current Rated (3.33 A), the Diode is 2/3 Current derated.




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IMC-101 – Based on drawing #1199001012101, page 2, contains 1 make/break component (SW1) SW1 is protected by Resistors (R51, R52, R67, R68) where these components have to be operational within 2/3 of their rated rating. Resistor (R67, R68) – Manufactured by SMD Resistance Value = 4.7 kΩ Wattage Rating = 0.1 W Tolerance = 5% = 235Ω Voltage across resistor = 3.3V 2/3 Power Derating: 2/3 Rated Power = 2/3 (0.1W) = 0.067W PowerActual = V2/(R-Rtolerance) = (3.3)2/(4.7k-235) = 0.00244W, since 0.00244W is less than 0.067W, the resistors are 2/3 power derated. Resistor (R67, R68) – Manufactured by SMD Resistance Value = 1 kΩ Wattage Rating = 0.1 W Tolerance = 1% = 10Ω Voltage across resistor = 3.3V 2/3 Power Derating: 2/3 Rated Power = 2/3 (0.1W) = 0.067W PowerActual = V2/(R-Rtolerance) = (3.3)2/(1k-10) = 0.011W, since 0.011W is less than 0.067W, the resistors are 2/3 power derated. Voltage Regulator (U1) – Model L4978, manufactured by ST. Ambient Temperature = TA = 75°C Junction Temperature = TJ = 150°C Thermal Resistance Junction to ambient = RΘJA = 90°C/W Electrical measurement across the voltage regulator were derived from Model EDS-308 under 08ATEX0717913X which was based on EDS-405 under 08ATEX0712961. The two circuits are identical :Reference EDS-305’s analysis Since the wattage is less than 200 mW, therefore less than 2/3 PowerRated (0.556 W), the Voltage Regulator is 2/3 derated.

30.8.2 Fuses

X Resistors are used to limit the current to the make/break switches

30.8.3 Shunt safety components

X Shunt safety components are not utilized

30.9 Battery powered apparatus

X Subject Products are not battery powered

30.10 Marking and documentation

X Apparatus is marked with the requirements of Clause 35




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31 Supplementary requirements for restricted-breathing enclosures protecting apparatus producing arcs, sparks or hot surfaces

31.1 General

X Subject Products utilizes the energy-limited circuit and sealed device protection methods

31.2 Test point for restricted-breathing apparatus


31.3 Test point exemption


31.4 Gasket and seal requirements


31.5 Non-resilient seals


31.6 Maintenance considerations


31.7 Internal fans


32 General information on verification and tests

X No enclosure testing is necessary since Subject Products are to be installed in an IP 54 enclosure by the end-user

33 Type tests

33.1 Representative samples

X

33.2 Test configuration

X

33.3 Tests for enclosures on which the type of protection depends

33.3.1 Order of tests 33.3.1.1 Non-metallic enclosures

and non-metallic parts of enclosures (other than glass and ceramic)

X Tests not conducted since Subject Products will be installed into an IP54 Enclosure by the end-user. The end-user is notified by the “X” following the certificate number and the Special Conditions for Safe Use in the Schedule




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33.3.1.2 Metallic enclosures, metallic parts of enclosures and glass and ceramic parts of enclosures


33.3.2 Thermal endurance tests

33.3.2.1 Thermal endurance to heat


33.3.2.2 Thermal endurance to cold


33.3.3 Mechanical strength tests

33.3.3.1 Tests for resistance to impact


33.3.3.2 Drop test for hand held apparatus


33.3.3.3 Criteria for compliance


33.3.4 Tests for degree of protection (IP code) by enclosures

33.3.4.1 Test




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33.3.4.1.1 General


33.3.4.1.2 Mounting


33.3.4.1.3 Category determination


33.3.4.1.4 Test conditions


33.3.4.1.5 Dielectric strength test


33.3.4.1.6 Drain holes and ventilation openings


33.3.4.2 Criteria for compliance supplementary to IEC 60529

33.3.4.2.1 Dust ingress





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33.3.4.2.2 Water ingress


33.4 Test for enclosed-break devices and non-incendive components

33.4.1 Preparation of enclosed-break device samples


33.4.2 Preparation of non-incendive component samples


33.4.3 Test conditions for enclosed-break devices and non-incendive components

33.4.3.1 General


33.4.3.2 Enclosed-break devices


33.4.3.3 Non-incendive components





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33.5 Tests for sealed devices and encapsulated devices

33.5.1 Conditioning

X Models TX2-3V manufactured by Matsushita was conditioned, un-energized in an air over for 7 days at a temp. of 126°C followed by 1 day at a temp. -50°C.

33.5.2 Voltage test

X After conditioning the terminals of the devices were connected together and a sinusoidal voltage of 707 VDC was applied for 1 minute between the terminals and the outer surface of the plastic case. A visual examination of the sample was done and there was no electrical breakdown or dangerous discharge

33.5.3 Tests on devices with free space

X Sealed devices with free space was additionally subjected to the leakage tests as per clause 33.5.3.2

33.5.3.1 Apparatus for leakage test on sealed devices

X Method 1 is used

33.5.3.2 Leakage test on sealed devices

X The test samples were immersed in water at a temperature of 65°±2° C to a depth of 25.4mm for a minimum of 1 minute. No bubbles were emerged

33.5.4 Test for encapsulated devices for luminaires

33.5.4.1 Thermal cycling test


33.5.4.2 Dielectric withstand test


33.5.5 Test for sealed devices for luminaires


33.6 Assessment and test of energy-limited apparatus and circuits

33.6.1 General

X Subject Products have been assessed with respect to the requirements of this standard, IEC 60079-15

33.6.2 Test conditions

X Only measurements were taken for the make/break switches

33.6.3 Variable components

X No variable components in Subject Models

33.7 Tests for restricted-breathing enclosures




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33.7.1 Apparatus with provision for routine checking of restricted-breathing properties

X Subject Products do not utilize a restricted breathing enclosure

33.7.2 Apparatus without provision for routine checking of restricted-breathing properties


33.7.3 Apparatus where the nominal volume of the enclosure changes due to pressure


33.8 Test for screw lampholders

X Subject Products do not utilize lampholders

33.9 Test for starter holders for luminaires

X Subject Products are not luminaires

33.10 Tests for electronic starters for tubular fluorescent lamps and for ignitors for high pressure sodium or metal halide lamps

33.10.1 General


33.10.2 Moisture resistance, insulation and electric strength test


33.10.3 Cut-out device test


33.10.4 Life test (failed lamp)

33.10.4.1 Ignitor thermal endurance test


33.10.4.2 Evaluation criteria


33.11 Test for wiring of luminaires subject to high-voltage impulses from ignitors


33.12 Mechanical shock test for batteries

33.12.1 General

X Subject Products do not utilize batteries




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33.12.2 Test procedure


33.12.3 Evaluation criteria


33.13 Insulation resistance test for batteries

33.13.1 Test conditions


33.13.2 Evaluation criteria


33.14 Additional ignition tests for large or high-voltage machines

33.14.1 Test for cage rotor construction

33.14.1.1 General

X Subject Products are neither large or high-voltage

33.14.1.2 Rotor cage ageing process


33.14.1.3 Ignition test


33.14.2 Test for stator winding insulation system incendivity

33.14.2.1 General


33.14.2.2 Test conditions


33.14.2.3 Steady state ignition test


33.14.2.4 Impulse ignition test


34 Routine verifications and tests

34.1 General

X Electric strength test per Clause 6.8.1

34.2 Specific routine tests

34.2.1 Electric strength test

X Electric strength test per Clause 6.8.1 is to be conducted routinely

34.2.2 Alternate dielectric strength test

X Subject device is not subjected to the exception of 6.7.1

34.2.3 Restricted-breathing routine test

X Subject devices are not restricted-breathing devices




ExCB: N/A

Results

Clause


34.2.4 Routine tests for electronic starters and ignitors

X Subject devices are not electronic starters and ignitors

35 Marking

35.1 General

X Marking requirements is as stated in the IEC 60079-0 Test Report

35.2 Additional marking for batteries

X Batteries are not utilized

35.3 Examples of marking3

X

35.3.1 Warning markings

X None of the warning markings apply to Subject Products

36 Documentation

X All required documentation is provided.

37 Instructions X Instructions are in accordance with Clause 30 of IEC 60079-0

Bibliography



Section 2

To be completed by ExTL IEC 60079-15: 2005

EVALUATION RECORD Electrical apparatus for explosive gas atmospheres –

Part 15: Construction, test and marking of type of protection "n" electrical apparatus

ExTL to attach an Evaluation Record (Test Report) in English In the ExTL’s own format. Report

Reference No.

09 ATEX 0812123X

Tested by ( + signature) ................................................ Approved by (+ signature)............................................ Date of issue.................................................................

William Li

Susan K. Kim 2009-10-30

This report is based on a standard format prepared by CSA International Client Name ............................................................................ Address......................................................................... ......................................................................................

Moxa Inc. 4th Fl., 135 Lane 235 Pao Chiao Rd ShingTein City, Taipei, 23145, Taiwan

Testing laboratory

Name ............................................................................ Address......................................................................... Testing location............................................................. ......................................................................................

Underwriters Laboratories Inc 333 Pfingsten Rd, Northbrook, IL 60062-2096, USA Underwriters Laboratories Inc 333 Pfingsten Rd, Northbrook, IL 60062-2096, USA

Test item Standard IEC 60079-15 ................................................ Description. ................................................................... Trademark. ................................................................... Model and/or type reference ......................................... Manufacturer.................................................................

Industrial Ethernet Devices N/A Industrial Ethernet Switch Series EDS-305, EDS-316, EDS-516A, EDS-518A, Industrial Media Converter Series IMC-101 and Model IMC-101G Moxa Inc.



Test Item (continued) Rating(s) ........................................... ........................................ .......................................................... ........................................ Type of transformers (where relevant) ....................................... Application ................................................................................. Protection index ......................................................................... Other characteristics .................................................................. Rated ambient temperature ta (OC)

12-48 VDC, Max. 1.6A (See Schedule for specific model ratings) Relay Output: 24 VDC, 1A Resistive None stationary None None -40°C to +75°C

Other information Conditions of Safe Use: See Schedule for all.



General remarks This evaluation record is not valid unless appended to an IECEx Test Report issued by an ExCB, in accordance with IECEx 02. This evaluation record shall not be reproduced except in full without the written approval of the testing laboratory. The test results presented in this evaluation record relate only to the item tested. This equipment also complies with the requirements of EN 60079-15: 2005. There are no differences between IEC 60079-15, 3RD Edition and EN 60079-15: 2005. Copy of marking plate See Marking Label



MANUFACTURER'S DOCUMENTS Item Subject Drawing No. Rev. Date See Schedule for list of Documents