Overload protection Short circuit protection Isolation Controlling Test Current Tripping Time1.13lnt≥1h ... insulation voltage(AC): 500VTripping Characteristics: B,C,DDegree of protection: IP40(top), IP20(terminal), with connected conductors Electrical life ... insulation voltage(AC): 500VTripping Characteristics: B,C,DDegree of protection: IP40(top), IP20(terminal), with connected conductors Electrical ...