Upload
others
View
3
Download
0
Embed Size (px)
Citation preview
Israel Electric Corporation Ltd.
Marketing Division
National Network Unit
Specification NPS-254
For
Three-Pole earthing and short–circuiting devices
suitable for installation in low voltage fuse rails
Edition No.3
Issued date 11/2015
Page No. 1 of 30
1
Specification NPS-254/3
For
THREE-POLE EARTHING AND
SHORT-CIRCUITING DEVICES SUITABLE FOR
INSTALLATION IN
LOW VOLTAGE FUSE RAILS
(NH fuses system)
November 2015
Israel Electric Corporation Ltd.
Marketing Division
National Network Unit
Specification NPS-254
For
Three-Pole earthing and short–circuiting devices
suitable for installation in low voltage fuse rails
Edition No.3
Issued date 11/2015
Page No. 2 of 30
2
Specification NPS-254/3
For
THREE-POLE EARTHING AND
SHORT-CIRCUITING DEVICES SUITABLE FOR
INSTALLATION IN
LOW VOLTAGE FUSE RAILS
(NH fuses system)
November 2015
Israel Electric Corporation Ltd.
Marketing Division
National Network Unit
Specification NPS-254
For
Three-Pole earthing and short–circuiting devices
suitable for installation in low voltage fuse rails
Edition No.3
Issued date 11/2015
Page No. 3 of 30
3
CONTENTS
1. General
2. Threshold Conditions
3. Documents and samples for the proposal
4. Standards
5. Technical requirements
6. Tests
7. Marking
8. Packaging
9. Quality Assurance and Quality Control
10. Delivery Approval Conditions
Appendix "A" – Summary of Data
Appendix "B" – Quality Requirements (Q-APP-02/4 03/2011)
Israel Electric Corporation Ltd.
Marketing Division
National Network Unit
Specification NPS-254
For
Three-Pole earthing and short–circuiting devices
suitable for installation in low voltage fuse rails
Edition No.3
Issued date 11/2015
Page No. 4 of 30
4
1. GENERAL
Scope
This specification applies to portable three-pole earthing and short-circuiting
devices intended to be used in low-voltage distribution boards and cable
distribution cabinets equipped with Fuse-rails TYPE C for fuse-links with blade
contacts of size 00, 2 and 3 up to 500 V acc. to IEC 60269-2 (hereinafter
called: “the earthing and short-circuiting device”).
The Israel Electric Corp. Catalog no. is: 4570016
Remark: for components see clause 5.2.
2. THRESHOLD CONDITIONS
The threshold conditions are according to the Bid documents of the Supply
and Stores Division of the Israel Electric Corp. Ltd.
3. DOCUMENTS AND SAMPLES FOR THE PROPOSAL
3.1 Documents
For the technical evaluation, the Proposer shall submit to the Israel
Electric Corporation together with his offer the followings:
Israel Electric Corporation Ltd.
Marketing Division
National Network Unit
Specification NPS-254
For
Three-Pole earthing and short–circuiting devices
suitable for installation in low voltage fuse rails
Edition No.3
Issued date 11/2015
Page No. 5 of 30
5
3.1.1 Type Test Reports pertained to the required earthing and short-
circuiting device, which shall include the tests, specified in clause
6.1 of this specification.
Alternative:
If the proposed earthing and short-circuiting device was not type tested,
the Proposer shall submit the following documents:
a) Type Test Reports of a similar earthing and short-circuiting
device in order to prove the ability of the Manufacturer to pass
successfully the required type tests.
(*) - Definition for “similar “: earthing and short-circuiting
device with different cable cross-section and/or length.
b) A letter signed by the Proposer and by the Manufacturer,
confirming that in case of award the required type tests will be
performed on the ordered earthing and short-circuiting device
and the type test reports will be submitted to the Israel Electric
Corporation for approval. The Type Test Reports shall be
submitted to the Israel Electric Corporation within 45 days
after notification of award (see also clause 10.2 in this spec.).
The I.E.Corp. will submit his opinion within one week after
the receiving of the Type Test Reports.
3.1.2 Drawing of the earthing and short-circuiting device, dimensions
of them, cross-section conductors and the earthing and short
circuiting devices raw material.
Israel Electric Corporation Ltd.
Marketing Division
National Network Unit
Specification NPS-254
For
Three-Pole earthing and short–circuiting devices
suitable for installation in low voltage fuse rails
Edition No.3
Issued date 11/2015
Page No. 6 of 30
6
3.1.3 Description of the earthing and short-circuiting device (including
storage case) and catalogue which includes all electrical and
mechanical data.
3.1.4 Completed and filled-in Summary of Data –Appendix “A” of
this specification.
3.1.5 Manufacturer’s Q. M. S. certificates as required in the threshold
conditions of the Bid documents.
All documents shall be in Hebrew or English. If the original
documents are in other language they have to be submitted
accompanied with an authorized translation.
All the above documents shall be submitted in two (2) copies.
The Israel Electric Corporation reserves the right to reject any
proposal, which does not include all the above mentioned
documents.
3.2 Sample
One sample of the proposed earthing and short-circuiting device or
similar (*) (see also clause 3.1.1 a in this spec.) shall be supplied
within three weeks beginning at the technical Proposal submission day.
If the Proposer has already supplied the proposed earthing and short-
circuiting devices (without any change) to the Israel Electric Corp. in
the last two (2) years, the sample is not required. In this case a written
request (which shall indicate the type and the P/N of the proposed
item) shall be submitted to Israel Electric Corp. until the technical
proposed submission day.
Israel Electric Corporation Ltd.
Marketing Division
National Network Unit
Specification NPS-254
For
Three-Pole earthing and short–circuiting devices
suitable for installation in low voltage fuse rails
Edition No.3
Issued date 11/2015
Page No. 7 of 30
7
The Israel Electric Corp. will replay to the above request within one
week beginning at the technical submission day.
The sample shall contain identification mark of the manufacturer.
Sample delivered by Bidders who are not successfully awarded the
contract/order will be put at the disposal of the Bidder.
Sample delivered by the successful Bidder will be put at the disposal of
the Bidder after the completion of the contract.
Sample not claimed within two months after award, will be disposed of
by the Israel Electric Corp.
4. STANDARDS
4.1 Unless otherwise stated, the earthing and short-circuiting device shall be
designed, manufactured and tested in accordance with the requirements
of the latest published issue of the following standards and all relevant
amendments:
LIVE WORKING - PORTABLE EQUIPMENT FOR
EARTHING OR EARTHING AND SHORT-CIRCUITING IEC/EN 61230
LIVE WORKING - INSULATING HOLLOW TUBES FOR
ELECTRICAL PURPOSES IEC 61235
LOW-VOLTAGE FUSES - PART 2: SUPPLEMENTARY
REQUIREMENTS FOR FUSES FOR USE BY
AUTHORIZED PERSONS (FUSES MAINLY FOR
INDUSTRIAL APPLICATION) - EXAMPLES OF
STANDARDIZED SYSTEMS OF FUSES A TO K
IEC 60269-2
CABLES FOR PORTABLE EARTHING AND SHORT-
CIRCUITING EQUIPMENT IEC 61138
4.2 Standards referred to in this Specification and in Supplements to this
Specification are integral parts of this Specification unless explicitly
stated otherwise.
Israel Electric Corporation Ltd.
Marketing Division
National Network Unit
Specification NPS-254
For
Three-Pole earthing and short–circuiting devices
suitable for installation in low voltage fuse rails
Edition No.3
Issued date 11/2015
Page No. 8 of 30
8
4.3 The equipment, including all appurtenances and accessories, shall be
fabricated, inspected, tested and preserved in compliance with the
Standards as specified herein, unless otherwise indicated.
In the event that no reference to Standard is made herein, all
components and parts shall be fabricated, inspected, tested and
preserved, so as to ensure their fitness for designed use and purpose.
4.4 Bidder may propose Standards as alternatives for or additions to those
specified herein.
A copy of each proposed Standard, if any, shall be included with the
proposal. The I.E.Corp. reserves the right to accept or reject the
proposed alternative Standards.
4.5 If the present Specification contains requirements which differ from
those of the above mentioned Standards, the requirements of this
Specification shall take precedence.
5. TECHNICAL REQUIREMENTS
5.1 Environment conditions:
The earthing and short-circuiting device shall be suitable for a special
category of temperature definite as warm (W): temperature range
from -5 ºC to +70 ºC, according to Standard IEC/EN 61230 .
Tropical environment.
Maximum relative humidity: 90%.
Israel Electric Corporation Ltd.
Marketing Division
National Network Unit
Specification NPS-254
For
Three-Pole earthing and short–circuiting devices
suitable for installation in low voltage fuse rails
Edition No.3
Issued date 11/2015
Page No. 9 of 30
9
Averages relative humidity: 70%.
Severe industrial air pollution, coal dust, sea salt.
5.2 The earthing and short-circuiting device shall consist of the following
components:
THE COMPONENTS IEC P/N QUANTITY
1. Earthing and short-circuiting cables
(50 mm2) including phase and earthing
clamps.
_______ 1 set
2. Earthing cartridges for insertion into
HRC fuse-bases size 1-3. 4570024 3 pieces
3. Earthing cartridges for insertion into
HRC fuse-bases size 00. 4570032 3 pieces
4. Earthing handle _______ 1 piece
5. Operating Insulating Pole (if it is
necessary-see also clause 5.5.9) _______ 1 piece
6. Metal storage case. _______ 1 piece
5.3 The current carrying capacity of the earthing and short-circuiting devices
shall be at least 14kA/0.5s (9.9kA/1s). The final temperature of the cable
shall not exceed 400ºC.
5.4 Earthing cartridges – fig. 1
5.4.1 The earthing cartridge must fit the LV-HRC fuse cartridges
(depending the size ), while one part of the blade must be made of plastic
Israel Electric Corporation Ltd.
Marketing Division
National Network Unit
Specification NPS-254
For
Three-Pole earthing and short–circuiting devices
suitable for installation in low voltage fuse rails
Edition No.3
Issued date 11/2015
Page No. 10 of 30
10
red polyamide and the second part made of copper alloy tin plated 20 µm
minimum, according to IEC 60269-2 .
5.4.2 The insertion of the earthing cartridges into the fuse-base and pull
out from it shall be possible by using an Operating Insulating Pole
(Rod) – see clause 5.6.
5.4.3 The earthing cartridge shall be provided with a female thread in the
front of the cartridge, made of Brass or Copper alloy, minimum tensile
strength 571 MPa tin plated 20 µm minimum, for torsion-safe connection
to the short-circuiting cable, firm connected with the metal blade.
Remark: other copper alloy may be proposed – in this case the Proposer
shall submit for I.E.Corp. the type (name) of the material including the
mechanical and electrical properties.
Metal blade Insulated blade
Insulated material Red Polyamide Thread M10
Fig 1 - Earthing cartridge
Israel Electric Corporation Ltd.
Marketing Division
National Network Unit
Specification NPS-254
For
Three-Pole earthing and short–circuiting devices
suitable for installation in low voltage fuse rails
Edition No.3
Issued date 11/2015
Page No. 11 of 30
11
5.4.4 All the others metal parts of the earthing cartridge shall be zinc-
plating protected against corrosion.
5.4.5 The Israel Electric Corp. reserves the exclusive right to decide if
the installation of the earthing and short-circuiting device (including
earthing cartridges) complies the safety rules of the company.
5.5 Earthing and short-circuiting cables – fig. 2
5.5.1 The cross section of the short-circuiting cables shall be 50 mm².
5.5.2 The cable shall be in accordance with IEC 61138 made of individual,
flexible E-Cu wires.
5.5.3 The sheath must be transparent and colorless.
5.5.4 The four short-circuiting cables shall be connected by a cluster
(junction block) made of brass, copper alloy or copper (galvanized
against corrosion) or stainless steel with a robust transparent cover
protection against electric-shock hazard which withstand the service
conditions.
5.5.5 The knot point must be made by:
- Pressing, jamming or by other similar cold work process. In this case the
cluster must be equipped with a molded, transparent and waterproof protection
cover and protected against kinking.
or
- Cable lugs - the joints of the connections must be protected by a transparent
and waterproof sleeve. In this case the cluster must be protected by a
transparent cover and the cables protected against kinking.
Israel Electric Corporation Ltd.
Marketing Division
National Network Unit
Specification NPS-254
For
Three-Pole earthing and short–circuiting devices
suitable for installation in low voltage fuse rails
Edition No.3
Issued date 11/2015
Page No. 12 of 30
12
5.5.6 All the others joining points of the cables shall be made by pressing,
jamming or by other similar cold work process. They must be protected
with transparent waterproof sleeves and kinking protected.
5.5.7 Welding, soldering or screwed joining is not accepted.
5.5.8 The earthing cable shall be provided with an earthing clamp made of
reinforced brass or copper alloy, galvanized against corrosion, with
insulated handle, suitable for a clamping range up to 20 mm flat bus bars.
The earthing clamp shall be provided with a 2 position rotating handle.
5.5.9 In order to connect the phase cable into the earthing cartridge, the phase
clamp terminal must be equipped with a safety connection coupling
(screw) made of reinforced brass or copper alloy galvanized against
corrosion or stainless steel. The connection coupling shall be fitted by
using an Operating Insulating Pole (Rod) – see clause 5.6.
a(mm) b(mm) c(mm) d(mm)
Length 550 700 1000 1000
FIG. 2
Connection coupling
Earthing clamp with
two positions
insulated handle
d
a
b
c
Connection Cluster
Israel Electric Corporation Ltd.
Marketing Division
National Network Unit
Specification NPS-254
For
Three-Pole earthing and short–circuiting devices
suitable for installation in low voltage fuse rails
Edition No.3
Issued date 11/2015
Page No. 13 of 30
13
5.6 Operating insulating pole
The operating insulating pole for phase clamp shall be in concordance
with the IEC 61235:
Shall be made of (yellow) fiber glass reinforced epoxy resin.
Operating voltage: 1.0 kV;
Total length: 0.35m;
The length of the insulating section: 0.21m
The length of the hand grip section: 0.14m. At the end of the grip
section a protection guard (stopper) shall be provided.
5.7 The Israel Electric Corp. reserves the exclusive right to decide if the
installation of the proposed earthing and short-circuiting device
complies the safety rules of the company.
6. TESTS
6.1 Type test
The following type tests shall be carried out on the proposed/ordered
equipment (see also clause 3.1.1-Alternative).
a. Fatigue test on cable with end fittings.
b. Humidity penetration on copper cable with end fittings.
c. Pull test on cable with clamps.
d. Suitability of line clamp.
e. Test on clamps, fixed connection points and connections within
devices with respect to ability of standing connecting forces.
f. Short-circuiting current test.
g. Testing durability of marking.
Israel Electric Corporation Ltd.
Marketing Division
National Network Unit
Specification NPS-254
For
Three-Pole earthing and short–circuiting devices
suitable for installation in low voltage fuse rails
Edition No.3
Issued date 11/2015
Page No. 14 of 30
14
h. Bending test on earthing pole.
i. Torsion test on earthing pole with couplings.
Any change in design, manufacture or material shall require new type
test, in accordance with Standard IEC/EN 61230 and this
Specification.
6.2 Routine test
The following routine tests shall be carried out on each earthing and
short circuiting device, by the manufacturer, in accordance with Standard
IEC/EN 61230 and this specification.
a. Check that the cables and the insulating elements are suitable for
the prescribed climatic conditions and fields of application.
b. Check material and cross-sections designations of conductors.
c. Check dimensions according to Manufacturer drawing.
d. Check of connecting methods.
e. Check that there are no bare parts of conductors.
f. Check fitting and removal forces of detachable couplings of
earthing poles.
g. Check of marking.
h. Check that the manufacturer’s instruction for use is delivered and
acceptable.
Israel Electric Corporation Ltd.
Marketing Division
National Network Unit
Specification NPS-254
For
Three-Pole earthing and short–circuiting devices
suitable for installation in low voltage fuse rails
Edition No.3
Issued date 11/2015
Page No. 15 of 30
15
6.3 Sampling test
If the Israel Electric Corp. order is for at least 30 items, the sampling test is
required.
The following sampling test shall be carried out on a number of earthing
and short-circuiting devices taken randomly from the dispatch (according
to IEC/EN 61230:
a. Fatigue test on cable with end fittings.
b. Humidity penetration test on copper cable with end fittings (this test is
required if will be order 100 items and more).
c. Pull test on cable with clamps.
d. Testing durability of marking.
e. Bending test on earthing pole.
f. Torsion test on earthing pole with couplings.
g. Testing the chemical composition and thickness of coating (this
test is required if it will be order 100 items and more).
7. MARKING
The earthing and short-circuiting device shall be inscribed according to
IEC/EN 61230 clause 5.8.
The following are mandatory markings:
– Manufacturer’s name or trade mark (it will be legible and viable);
– Serial number (model or type reference for the earthing and short-
circuiting device).
– Cross-section in mm².
Israel Electric Corporation Ltd.
Marketing Division
National Network Unit
Specification NPS-254
For
Three-Pole earthing and short–circuiting devices
suitable for installation in low voltage fuse rails
Edition No.3
Issued date 11/2015
Page No. 16 of 30
16
– Short circuit withstands.
– Year of manufacture.
8. PACKAGING
8.1 All the components of the earthing and short-circuiting device, including
instructions for use written in Hebrew (the translation in Hebrew will be
provided by I.E.Corp.), shall be attached inside to each storage case
made of metal painted against corrosion or aluminum, equipped with
foam lining (or equivalent arrangement). The storage case shall be
packed in a cardboard box.
8.2 The package shall be suitable for transportation and a prolonged storage
period.
8.3 Each package shall be clearly marked in print (large letter) with the
following:
Manufacturer name and trade mark.
Country of manufacture.
Contract and /or order no. (including no. of dispatch).
Date of production.
Israel Electric Corporation catalogue no.
8.4 The following labels shall be stuck on each earthing and short-circuiting
device (on the storage case):
Israel Electric Corporation Ltd.
Marketing Division
National Network Unit
Specification NPS-254
For
Three-Pole earthing and short–circuiting devices
suitable for installation in low voltage fuse rails
Edition No.3
Issued date 11/2015
Page No. 17 of 30
17
- a label testifying the quality control carried out at the Supplier’s
plant.
- a label carrying contracts and /or orders no., including no. of
dispatch.
9. QUALITY ASSURANCE AND QUALITY CONTROL
9.1QUALITY ASSURANCE (Q.A.)
The Q.M.S. shall be according to the threshold condition of the Bid
Document.
9.2 Quality Control (Q.C.)
Bidder Q.C. System shall comply with the requirements of Spec. Quality
Requirements (Q-APP-02/4 03/2011) Appendix "B".
10. DELIVERY APPROVAL CONDITIONS
10.1 After notification of award and before delivery of the earthing and
short- circuiting devices, the contractor shall submit to the Israel
Electric Corporation 3 (three) copies of the sampling tests report (see
also the clauses 6.3).The report shall be in English, with testing date
marking and batch identification .
10.2 A copy of the routine test report shall be attached to each supplied
item.
Israel Electric Corporation Ltd.
Marketing Division
National Network Unit
Specification NPS-254
For
Three-Pole earthing and short–circuiting devices
suitable for installation in low voltage fuse rails
Edition No.3
Issued date 11/2015
Page No. 18 of 30
18
IMPORTANT:
If during the technical stage of the BID it was required to perform Type
Test (see para. 3.1.1 and 6.1 in this spec.) after notification of award
and before production of all ordered equipment, the Contractor shall
submit the Type Test Reports for Israel Electric Corp. approval.
In any case, the CONTRACTOR shall not resume the manufacture
of the ordered equipment before receiving the Israel Electric Corp.
written approval for the TYPE TEST REPORTS.
The Contractor shall be responsible to conduct successfully all the tests
and to deliver to the Israel Electric Corp. the test reports in a manner
which will not interfere with, or delay, any of time schedules,
pertaining to any action or undertaking, required of the winning Bidder,
including, but not limited to delivered schedule.
Such responsibility shall include proper and reasonable advanced
notification to the Israel Electric Corp., prior to any action as required.
The Contractor shall cover all the costs of the tests as required to be
performed according to this specification.
The Contractor shall notify the Israel Electric Corp. at least three
weeks prior to the Type Tests .The representatives of the Israel
Electric Corp. shall be authorized to be present during the
performance of the Type Tests.
The Israel Electric Corp. reserves the right to cancel the
order/contract if all Type Tests will not be conducted successfully.
Israel Electric Corporation Ltd.
Marketing Division
National Network Unit
Specification NPS-254
For
Three-Pole earthing and short–circuiting devices
suitable for installation in low voltage fuse rails
Edition No.3
Issued date 11/2015
Page No. 19 of 30
19
10.3 Acceptance Tests.
The Israel Electric Corp. reserves the right to test samples from each
delivered batch according to this Specification and to I.E.C. standard 61230.
If the samples fail in the Acceptance Test, the batch will be rejected.
Israel Electric Corporation Ltd.
Marketing Division
National Network Unit
Specification NPS-254
For
Three-Pole earthing and short–circuiting devices
suitable for installation in low voltage fuse rails
Edition No.3
Issued date 11/2015
Page No. 20 of 30
20
Appendix “A”
SUMMARY OF DATA
Tender No. _______________
Insert all data in this column
1.Proposer name and address
2. Proposer tel., fax no., and e-mail.
3. Manufacturer name and address
4. Manufacturer tel., fax no., and e-mail.
5. Country of manufacture
6. Manufacturer cat. No./Part No. of the
earthing and short-circuiting device set:
7. Manufacturer cat. No./Part No. of the
components:
a. Earthing and short-circuiting cables
(including phase and earthing clamps) P/N
b. Earthing cartridges for LV-HRC fuses
size 1-3. P/N
c. Earthing cartridges for LV-HRC fuses
size 00. P/N
d. Earthing handle P/N
e. Storage case P/N
8. Rated short circuit current (kA)
9. Rated insulation level (kV)
Israel Electric Corporation Ltd.
Marketing Division
National Network Unit
Specification NPS-254
For
Three-Pole earthing and short–circuiting devices
suitable for installation in low voltage fuse rails
Edition No.3
Issued date 11/2015
Page No. 21 of 30
21
Insert all data in this column
10. Are the sample and documents required
in clause 3.1 attached?
Sample (yes/no)
If no, please note the order no. of last
delivering and Part No. of the supplied
devices.
drawings clearly stating overall dimensions
(yes/no)
description of equipment and catalogue with
all electrical data (yes/no)
manufacturer's Q.M.S certificates
(yes/no)
Document providing the experience as
required in the threshold conditions of the Bid
Documents (yes/no)
type test report
- of the proposed earthing and short-circuiting
device: (yes/no)
or:
- of the similar earthing and short circuiting
device (yes/no)
Israel Electric Corporation Ltd.
Marketing Division
National Network Unit
Specification NPS-254
For
Three-Pole earthing and short–circuiting devices
suitable for installation in low voltage fuse rails
Edition No.3
Issued date 11/2015
Page No. 22 of 30
22
In case of type test report of similar earthing
and short-circuiting devices, attached the
confirmation letter as required in clause 3.1.1
(a) and (b).
11. Will the equipment be supplied with all the
accessories required for installation? (yes/no)
Please specify the accessories
12. For metal parts please specify:
12.1 The metal blade is made of (clause 5.4.1):
The min. tensile strength is: MPa
The thickness of the tin plated: µm
12.2 The female thread is made of (clause 5.4.3)
The thickness of the tin plated: µm
The min. tensile strength is: MPa
12.3 The screw of the connection coupling is
made of (clause 5.5.9):
13. Will the following labels be stuck on each
earthing and short circuiting device?
- a label testifying the quality control carried out
at Supplier's/Manufacturer's Plant (yes/no)
- a label carrying contract and/or order number,
including number of dispatch (yes/no)
14. Will the packaging be as required in
clause 8 of this Specification? (yes/no)
Israel Electric Corporation Ltd.
Marketing Division
National Network Unit
Specification NPS-254
For
Three-Pole earthing and short–circuiting devices
suitable for installation in low voltage fuse rails
Edition No.3
Issued date 11/2015
Page No. 23 of 30
23
15. Before the delivery, the sampling tests
reports acc. to clause 6.3 in this Specification
will be submitted to the Israel Electric Corp.
approval: (yes/no)
15. A routine test report shall be submitted with
delivered item. (yes/no)
Conformity with tender documents:
Proposer hereby certifies that be agrees to all provisions of the Tender Documents
Date of proposal________________ Signature of Proposer___________
Signature of Manufacturer________________
Israel Electric Corporation Ltd.
Marketing Division
National Network Unit
Specification NPS-254
For
Three-Pole earthing and short–circuiting devices
suitable for installation in low voltage fuse rails
Edition No.3
Issued date 11/2015
Page No. 24 of 30
24
Appendix "B"
Quality Requirements
Q-APP-02/4
03/2011