DC contactor Specification: Rated Current:varies from 50Ato 500A Voltage:Ranges from 12V to 80V Blowout is available. Note:other specification can be customized upon different requirements. Environmental condition: Ambient temperature:-25 oC +40oC Albiude range:0 2000m Max.relative humidity:90% under 25oC Vibration:10 50Hz,10m/s2 Power voltage fluctuation:0.7 1.1Ue Duty:8h continuous