Features: 1. Application: The heavy duty starter relay isolator on/off is specially designed for multi-battery system forklift engineering automotive applications to meet your demands. 2. Powerful Function: The car starter relay isolator switch effectively prevents primary battery discharge, providing greater convenience. 3. Materials: The car starter relay is made of water-resistant black phenolic plastic and red copper binding posts, ensuring safe transmission of heavy current. 4. Excellent Performance: Rated voltage is 12VDC, maximum instantaneous current is 500A, and continuous working current is up to 200A. 5. Safe Current Transfer: Ensures maximum electric current is transferred safely, delivering higher working efficiency. Specification: Item Type: Car Starter Relay Material: Copper + Plastic Form: 1H(1A) Ratings: 500A Resistance: 100m maximum at 6VDC 1A Maximum Switching Current: 500A Maximum Switching Voltage: 14VDC Maximum Switching Power: 500A Life Expectancy Electrical: 100,000 cycles (at 30 cycles/minute) Coil Specification: Nominal Voltage: 12VDC Coil Resistance: 1.6 Maximum Operate Voltage: 8VDC Minimum Release Voltage: 1.2VDC Maximum Applicable Voltage: 14VDC Characteristics: Temperature Range: -30C to +80C Vibration Resistance: 10-55Hz, 1.5mm Humidity: 40%-85% Insulation Resistance: 100M minimum at 500VDC Dielectric Strength: Between Open Contacts: 2000VAC (for one minute) Between Contacts and Coil: 1500VAC (for one minute) Operate Time: 50ms Release Time: 50ms Package List: 1 x Car Starter Relay