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乐鱼官网登陆app mcb(air switch)has three main functions. 1.used as a knife switch, push up to power on and pull down to power off; 2 when live wire or neutral wire is short-circuited, it will momentarily trip for short-circuit protection. 3.when the electrical load exceeds the air switch, it will trip for o...

when the russian customer of 世界杯直播足球 climbed to the top of the great wall in china on behalf of we 乐鱼官网登陆app , it was a glorious moment for 世界杯直播足球 , and it also means that our cooperative relationship and partnership will be as strong as the great wall. 世界杯直播足球 , is always dedicated to pr...

description type：ycb9rl-100 in（a）：6,10,16,25,32,40,50,63 poles：1p+n rated voltage ue：230v rated breaking capacity：6000a sensitivity：30ma package includes：1 x ycb9rl-100,1 x box. general 1.protection against the effects of sinusoidal alternating earth fault currents. 2.protection agaist ...

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description type：ycb6h-63 in（a）：6,10,16,20,25,32,40,50,63 poles：2p breaking capacity：4.5ka tripping curve：b,c and d curves standard：iec/en 60898-1 certificate：ce,cb,eac,inmatro general 1.overload protection. 2.short circuit protection. 3.controlling. 4.used in residential building, non ...