... or 400V and below,mainly used as main switch for terminal electrical appliances,also can be applied to various motors,low ... capacity 1.1un,3In COS=0.65Rated short-circuit withstanding current 200t=1sRated short-circuit making capacity 30In,t≥0.1s COS ... =0.5Rated fused short-circuit current 20Pole number of the circuit breaker 1,3,4 1p+N ...