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HCMC PC SPECIFICATION

AUXILIARY RELAY

I. SCOPE :

This specification covers the supply of auxiliary relay.

II. STANDARD OF MANUFACTURE AND TEST :

IEC 255 : Electric relays.

III. DESCRIPTION :

1. Construction :- The relay should be electromechanical type, surface mounting.- The relay should be supplied with all accessories for installation and

operation.-

Terminals : Plug - in crew type.

2. Technical data :

- The protective function : Breaks relatively large load currents despitesmall size.

- Feature :+ Easy mounting and wiring with simple operation.+ Long life.+ Wide variety.

- DC supply :

+ Type 1 : 110 125 Vdc.

+ Type 2 : 220 250 Vdc.

- Contacts : 10NO+10NC

- Contact ratings :+ Carry current : Min. 30A+ Operating voltage : Max. 500Vac, 250Vdc

- Operating time : Max. 30ms

- Mechanical durability : Min. 5.000.000 operations.

- Environment :+ Ambient temperature : 0 to 55oC+ Humidity : 0 - 95%.

IV. TESTING REQUIREMENT :

- The relay is subject to inspection during manufacturing. Routine and

type tests of each relay including operational test at minimum,accuracy tests will be performed according to IEC 255 standard.

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AUXILIARY RELAY

- In order to ensure the quality of supplied goods , in case of bid winning, the Tenderer shall supply routine test and copies of type test reportmet the following requirements:

a. Routine test shall be performed for each equipment.

b. Type test report shall meet the followings :- Testing sample : The same as the supplied item (manufacturer,

original country, manufactures code as specified in tender document).- Testing items : Including testing items according to IEC 255.- Testing values shall be corresponding values as stated in Section III

of this specification. If in section III, there are no corresponding values,testing values will be selected according to the standard specified insection II of this specification.

V. REQUIREMENT OF TECHNICAL TENDER DOCUMENT :

- Technical description, data sheets, catalogues and other materialsubmitted with the quotation must enable the buyer's engineers tothoroughly evaluate the proposals as to its compliance with the inquiryspecifications.

- Minimum requirements :

+ Detailed summary of deviations to inquiry specification.

+ Completed inquiry data sheet expressed at clause VI.+ Brochures and catalogues containing outline dimensions, main

electrical dataand installation details.+ Routine test and type tests comply with the relevant standard.+ Certificate of quality management.

- The proposal bidding has Type Test Report which meets therequirements as specified in item IV 2.b will be preferable.

VI. DATA SHEET :

No SPECIFICATION UNIT REQUIREMENT TENDE

R

1. Item No.2. Manufacturer3. Country4. Manufacturers code5. Standards of factory and

test

IEC255

6. Standards of qualitymanagement



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AUXILIARY RELAY

7. Member approve ofcertificate ofmanagement

8. In case of bid winning ,the Tenderer shallsupply routine test andcopies of type testreport met therequirements of sectionIV .

Yes

9. Type Electromechanicaltype

10. Terminals Plug - in screw type11. Case Surface mounting.

The relay will besupplied with allaccessories forinstallation and

operation.12. The protective

function :Breaks relatively

large load currentsdespite small size.

13. DC supply :+ type 1+ type 2

VDCVDC

110 125

220 250

14. Maximum operatingtime

ms 30

15. - Contacts :+ NC+ NO

1010

16. - Contact ratings :+ Carry current+ Operating voltage

Min. 30AMax. 500Vac, 250Vdc

17. Mechanical durability : Oper. Min. 5.000.00018. Ambient temp. C 0 to 55

19. Humidity % 0 - 95


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