... double, three,four poles for protecting overload and short circuit, and rated current up to 63A. It can ... normal condition.The breaker is applicable tolighting distribution system in industrial enterprise, commercially district, high-rise building anddwelling ... ,32,40,50,63Rated voltage (V)230400Ambient temperature-5oC~+40oCType of instantaneous releaseCDCDRated short circuit breaking capacity Icn(kA ...