... voltage of 250V,500V,750V,1000V and rated current of 1~100A for overload and short-circuit protection, common used ... ,high breaking capacity,short arcing distance,fast close and convenient installation.Special permanent magnetic field arc blow ... ,10A,16A,20A,25A,32A,40A,50A,63A,80A,100AC curve:1A,2A,3A,4A,6A,10A, ... 16A,20A,25A,32A,40A,50A,63A,80A,100ARated short circuit breaking capacty Icn(T=4ms) ...