作废 JB/T 3956-1985
矿用隔爆型馈电开关 矿用隔爆型馈电开关 Flameproof feeder switch for coal mine
发布日期:1985-03-13
实施日期:1985-08-01
分类信息
发布单位或类别: 中国 行业标准-机械
CCS分类: K35电工 - 低压电器 - 防爆电器
ICS分类:
标准简介

本标准适用于矿用隔爆型馈电开关(以下简称馈电开关)。该馈电开关主要用于煤矿井下,在交流50Hz,额定电压1140V及以下,额定电流500A及以下的线路中,作为供电系统的总开关、分支开关,也可作为大容量电动机部频繁启动之用。当线路中出现过载或短路故障时,馈电开关能根据要求自动地切断电路。同时,馈电开关可与漏电继电器配合使用或自体装设漏电保护单元,对系统中的漏电故障实现保护

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开关矿用隔爆型馈电

最后更新时间 2025-08-28