矿井隔爆型低压选择性漏电保护装置在山西省煤矿的推广应用

Spreading of flameproof mining low voltage selective earth leakagt protection set

介绍了BJJ3— 660 / 380型 ,KXL—I型矿井选择性漏电保护装置 ,这将有利于安全生产 。

BJJ 3—660/380 and KXLI flameproof mining low voltage selective earth leakage protection set are introduced,they are beneficial for safe production and convinient for underground manipulation.