Standard No.:	MT 189-1988
English Name:	Mining flame-proof type leakage detecting relay
Chinese Name:	矿用隔爆型检漏继电器
Chinese Classification:	K35    Explosion-proof electric apparatus
Professional Classification:	MT    Professional Standard - Coal
Source Content Issued by:	Ministry of Coal Industry
Issued on:	1988-04-03
Implemented on:	1988-7-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	5500 words
Translation Price(USD):	160.0
Delivery:	via email in 1~3 business day

本标准规定了矿用隔爆型检漏继电器(以下简称继电器)的术语、产品分类、型号编制、基本参数、技术要求、试验方法、检验规则、标志、包装、运输及贮存。
本标准适用于继电器。继电器用于有爆炸性混合物的矿井，在交流50 Hz,额定电压1140V及以下，三相中性点不直接接地的绝缘供电网路中，配合低压馈电开关作漏电保护与漏电闭锁之用，以防止对人体触电及网路电气设备因绝缘破坏引起触电危险与防止向绝缘过低的网路送电。