Standard No.:	JB/T 7122-2007
English Name:	General requirements for alternating current vacuum contactor
Chinese Name:	交流真空接触器基本要求
Chinese Classification:	K32    Control circuit apparatus
Professional Classification:	JB    Professional Standard - Machinery
ICS Classification:	29.130.20 29.130.20     Low voltage switchgear and controlgear 29.130.20
Issued on:	2007-3-6
Implemented on:	2007-9-1
Status:	superseded
Superseded by:	JB/T 7122-2024 Alternating current vacuum contactorGeneral requirements
Superseded on:	2024-10-1
Superseding:	JB/T 7122-1993
Language:	English
File Format:	PDF
Word Count:	13000 words
Price(USD):	390.00
Delivery:	via email in 1~3 business day

本标准规定了一般用途的真空接触器的基本规则和要求、其中包括：术语和定义、特性、正常工作和安装条件、验证特性和性能要求的试验方法与规则、标志、运输和贮存等。本标准适用于交流50Hz（或60Hz）、额定工作电压6kV及以下的接触器。接触器可用以接通和分断电路，并与适当的热断电器或电子保护器等有关保护装置组成电磁起动器、特别适用于组成隔爆型电磁起动器。