... , buyers, enterprise and employees, making customers satisfy as a foremost work. 2.Emphasizing the simultaneous development of production ... : Short circuit protection,Over current protection ,IsolationRated current(A) :1-63No of pole :1P,2P,3P,4PRated ... frequency(Hz) : 50/60 Fiducial temperature :-30°C Environment temperature : +40°C Installation style standard :35mm guide Connection type :Tunnel ...