1Perfect Application: The heavy duty starter relay isolator on off is specially designed for multibattery system forklift engineering automotive to meet your demands. 2Powerful Function: The car starter relay isolator switch could effectively prevent primary battery discharge, bring you more convenience. 3High Quality Materials: The car starter relay is made of water resistant black phenolic plastic and red copper binding post, ensuring heavy current can be transited safely. 4Excellent Performance: The rated voltage is 12VDC, maximum instantaneous through current is 500A, and Work long time current is 200A maximum. 5Safe Current Transfer: The auto start contactor greatly makes sure the maximum electric current can be transferred safely, higher working efficiency. Item Type: Car Starter Relay Material: Copper + Plastic Contact Form: 1H(1A)Contact Ratings: 500AContact Resistance: 100m Maximum at 6VDC 1AMaximum Switching Current: 500AMaximum Switching Voltage: 14VDCMaximum Switching Power: 500ALife Expectancy Electrical: 100,000 Operations (at 30Operations/minute)Coil Specification Nominal Voltage: 12VDCCoil Resistance: 1.6WMaximum Operate Voltage: 8VDCMix Release Voltage: 1.2VDCMaximum Applicable Voltage: 14VDC CharacteristicsTemperature Range: -30 to +80Vibration Resistance: 10-55hz ,1.5mmHumidity: 40%-85%insulation Resistance: 100m Min at 500VDCDielectric Strength Between Open Contacts: 2000 VAC (for one minute/sec)Between Contactw and Coil: 1500VAC( for one minute/sec)Operate Tice: 50msRelease Tice: 50ms 1 xCar Starter Relay