JB 9650-1999Explosion-proof charge-over switch (English PDF)
隔爆型转换开关
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Issued by
MIIT
Level / Type
National · Mandatory
Issue date
August 6, 1999
Implementation date
January 1, 2000
Scope
JB 9650-1999 is the English-translated version of 隔爆型转换开关.
JB 9650-1999 — Explosion-proof charge-over switch
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Document preview — JB 9650-1999
National Standard of the People's Republic of China
- Classification
- K 35
- Replacing
- ZB K35003-1988
Contents
- What this standard covers1
- Document data2
What this standard covers
This standard specifies: flameproof switch (hereinafter referred to as switch) product classification, requirements, test methods, inspection rules, signs, instructions, packaging, transportation, storage content. This standard applies to: switch design, manufacturing and testing. Switch for AC 50Hz, rated voltage up to 660V (or DC to 220V), rated current up to 63A-plant explosive gas environment and the coal mine as a manual infrequently making and breaking circuit switching circuit and control lights, lights and measuring circuit, rated current up to 10A-switch, may also be used to control a single small-capacity AC motor.
Document data
Chinese classification (CCS): K35.
Estimated length of the Chinese original: 9,938 words.
Supersedes the earlier edition ZB K35003-1988.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 pages — is available in the English PDF.
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JB 9650-1999
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