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JB/T 12073-2014Specification for Silver-tungsten Carbide Electrical Contacts (English PDF)

银碳化钨电触头材料技术条件

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

July 9, 2014

Implementation date

November 1, 2014

Scope

JB/T 12073-2014 is the English-translated version of 银碳化钨电触头材料技术条件.

JB/T 12073-2014 is the recommended Chinese machinery industry standard for silver-tungsten carbide electrical contacts. It sets the requirements for silver-tungsten electrical contact materials and lays down the matching test methods, inspection rules, marking, packaging and storage provisions.

Its subject is contact material for low-voltage electrical apparatus, and the standard is filed under Chinese classification K14 and international classification 29.120.99.

Sampling and verification draw on GB/T 2828.1-2012, GB/T 2900.4, GB/T 5586, GB/T 5587, GB/T 8320-2003, GB/T 26871-2011, GB/T 26872-2011 and the JB/T 4107 series from JB/T 4107.1 to JB/T 4107.6. Issued on 9 July 2014, it has applied since 1 November 2014.

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Document preview — JB/T 12073-2014

National Standard of the People's Republic of China

ICS: 29.120.99

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

Foreword
Scope
Normative references
About this standard
Classification and status

1 Foreword

JB/T 12073-2014 was issued by MIIT on 9 July 2014 and has been in force since 1 November 2014.

2 Scope

This standard is the recommended Chinese machinery industry standard for silver-tungsten carbide electrical contacts. It sets the requirements for silver-tungsten electrical contact materials and lays down the matching test methods, inspection rules, marking, packaging and storage provisions. Its subject is contact material for low-voltage electrical apparatus, and the standard is filed under Chinese classification K14 and international classification 29.120.99. Sampling and verification draw on GB/T 2828.1-2012, GB/T 2900.4, GB/T 5586, GB/T 5587, GB/T 8320-2003, GB/T 26871-2011, GB/T 26872-2011 and the JB/T 4107 series from JB/T 4107.1 to JB/T 4107.6.

3 Normative references

JB/T 12073-2014 cites the following standards, which apply in full or in part through the references made to them in its clauses.

GB/T 2828.1-2012 — Plain bearings -- Quality characteristics -- Statistical process control (SPC)

GB/T 2900.4

GB/T 5586

GB/T 5587

GB/T 8320-2003

GB/T 26871-2011

GB/T 26872-2011 — Metallographic atlas of electrical contact materials

JB/T 4107.1

JB/T 4107.2

JB/T 4107.3

JB/T 4107.4

JB/T 4107.5

JB/T 4107.6

4 About this standard

Issued by: MIIT

English translation: about 15 pages

5 Classification and status

International classification (ICS): 29.120.99

Prefix JB/T: recommended standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

Similar standards

GB/T 8320-2025|GB/T 13397-2024|GB/T 12940-2023|GB/T 5588-2017|GB/T 5587-2016|GB/T 26725-2023

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