Features 1. Perfect Application: The heavy duty starter relay isolator on/off is specially designed for multi-battery systems in forklifts, engineering, and automotive applications to meet your demands. 2. Powerful Function: The car starter relay isolator switch effectively prevents primary battery discharge, providing greater convenience. 3. High Quality Materials: The car starter relay is constructed with water-resistant black phenolic plastic and red copper binding posts, ensuring safe transmission of heavy current. 4. Excellent Performance: Rated voltage is 12VDC, with a maximum instantaneous current of 500A and a continuous operating current of up to 200A. 5. Safe Current Transfer: The auto start contactor ensures safe transfer of maximum electric current, delivering higher working efficiency. Specification Item Type: Car Starter Relay Material: Copper + Plastic Contact Form: 1H (1A) Contact Ratings: 500A Contact Resistance: 100m Maximum at 6VDC 1A Maximum Switching Current: 500A Maximum Switching Power: 500A Electrical Life Expectancy: 100,000 Operations (at 30 Operations/minute) Coil Resistance: 1.6 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