矿用隔爆型真空馈电开关的区别

2024-12-02 17:48:48
推荐回答(2个)
回答1:

KBZ-400馈电开关和BKD9-400II在本质上属于同种产品,只不过在功能上略有不同而已。
KBZ-400在短路保护上更为先进,采用了相敏和鉴幅式二种。
在漏电保护上动作值更为灵敏。

BKD9-400II属于电子式插件,保护功能少与容易误动作而慢慢淘汰,

回答2:

1、矿用隔爆型真空馈电开关既可作为供电系统的总开关或分支开关,或作为矿用隔爆型移动变电站用馈电开关,也可作为大容量电动机不频繁起动作用;
2、分断能力强、分析速度快。极限分断能力达12.5KA,分断时间<0.15S(从收到漏电动作信号起到分断完毕);
3、电气原理简单,保护作用,显示作用齐全。
山东亿煤机械装备制造有限公司

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