ITEM NAME:DC 12V Relay Battery Isolating Relay 12V / 120A Peak Load for Car Trucks Ca B1Q1 DC 12V Relay Battery Isolating Relay 12V / 120A Peak Load for Car Trucks Ca B1Q1 Heavy duty pause or (on / off) relay Perfect for universal 12V applications Type: Extra Heavy Duty 120A Split Charging Relay Connections: 4-high quality and durable devices Voltage: 12 V DC Rated Current: 120A Clamps Quantity: 4 Contact form: Normally open Contact Ratings: None: 120A 14 / 28VDC Contact resistance: 100mMax at 6V DC 1A Max switching current: 300A (5 ms) Max switching voltage: 75VDC Max switching power: 2000W Expected lifespan Electric: 100,000 operations Mechanical life: 10,000,000 operations Coil Specification: Rated voltage (VDC): 12V Coil resistance (4,8W / 2,4W): 30/60 Max Let Voltage (VDC): 6.0 ~ 8.0 Mix message (VDC): 1.2 ~ 3.6 Max Applicable Voltage (VDC): 15.6 characteristics: Temperature range: -30 ~ + 80 Celsius Vibration resistance: 10 ~ 55Hz, 1.5mm Impact resistance: Surgery Extreme: 10g Damage control: 100g Humidity: 40% ~ 85% Insulation resistance: 100mOhm min at 500VDC Dielectric strength between open contacts 500VAC (for one minute / s) Between contact and coil: 750VAC (for one minute / s) Operating time: 15ms Release time: 10ms Material: Plastic Color: Black Package size: 5 * 4 * 4cm Package Contents: 1 x Heavy Duty Split Charger 120A ON / OFF Relay Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.