... in AC50/60HZ,up to 660V,0.1-80A power circuit ,as a full voltage starter to start and cut off ... the Ac3 load or for the overload and short circuit protection of the circuit and power equipment in the power distribution network ... .Model :GVFunction : overload short-circuit protectionRated voltage : 220,380,415,440,500,660VRated current : 1 ...