Brand Name : APNEUOrigin : Mainland Chinais_customized : YesVoltage : 12VProtect Feature : SealedPower Source : DCTheory : Start RelayContact Load : Low PowerModel Number : 500A Start RelayUsage : General Purpose1.) Parameter Features:It help extend battery life.Universal 12V applications.Prevents primary battery discharge.Made of water resistant black phenolic plastic.The main function of this product is to switch on, it can be used alone, it can be also connected to control to use, but this product does not include additional control relay, and if the controller is connected, it mainly used in the dual battery.Specifications:Product series: auto relayContact load: high powerContact switching current: 500AContact switching voltage: 7.8VDCContact form: transformation typeRated current: 500AProtective features: sealing typeCoil power: 12V DC, 24V DCCONTACT DATAContact materialAgSn0_27In_20_33Contact form1H(1A)Contact Ratings500AContact Resistance100mMax at 6VDC 1 AMax Switching Current500AMax Switching Voltage14VDCMax Switching Power500ALife Expectancy Electrical100,000 Operations(at 30 Operations/minute)Life Expectancy Mechanic10,000,000 OperationsPackage Included:1 x Heavy current relay2.)Product displayProducts from WUZHOU's store