1.Rated Voltage 220v-450v 2.Rated Current 16A/32A/4OA 3.Phase Single/Three Phase 4.IP Grade IP 65 5.Operating temperature -30to60 6.Insulation resisitance >1000MDC500V) 7.Withstand voltage 2000v 8.Contact impedance 0.5m Max 9.Mechanical life >10000 times 10.Certificates CE,TUV