12V 120A Car Starter Relay SPST 4-Pin Automotive Relay Battery Isolator Relay Heavy Duty Car Starter Relay 4-Pin Vehicle Relay Normally Open Relay Switch Changeover Relay ON/Off

Widely Used: This kit can be used to install electric cooling fans, overload protection, trunk release, power interlock/actuator control, control motors/other electronics, etc.Easy Wiring Guide:Pin 85: Connected to the ground chassis.Pin 86: Connected to the positive 12V DC input.Pin 30: Common contact that can be connected to the 12V DC input.Pin 87: Normally open, also known as NC.Pin 87a: Normally closed, also known as NC.Specification:Relay load: 120A/12VDCContact material: AGSNO2Pin material: CopperContact resistance: 100 mΩCopper coil power: 4.8WRelease time: 5msTrigger time: 7 msInsulation resistance: 100 mΩ/(500VDC)Temperature range: -55°C to +85°CElectrical lifespan: 100,000 operationsMechanical lifespan: 10,000,000 operationsPackage includes: 1 x 120A relay

• 【Starter Relay】 This is a car starter relay primarily for starting the vehicle. It features a 4-pin single-pole, single-throw design. Rated operating voltage: 12V, switching capacity: 120A. Coil power: 4.8W. Note: If the relay is used continuously for half an hour, it is best to use it and then test it again after a while.
• 【High-Quality Material】 The casing is made of high-quality ABS plastic, which is strong, durable, reliable, and not easily deformed. It offers excellent shock and vibration resistance, high-temperature resistance, flame retardancy, and is practical and long-lasting.
• 【Large Capacity and Excellent Stability】 Coil capacity of up to 120A easily handles high current applications. Made of copper coil, copper pin, and silver contact material. Strong conductivity with low power consumption and high sensitivity. Ensures stable, efficient, and reliable operation.
• 【Easy to Use】 Includes terminal accessories; simply plug and play. Simple and easy to operate. The robust structure and complete seal provide excellent waterproof performance. Designed for automotive use, ensuring reliable operation under various conditions.
• 【Wide Application】 Suitable for car starter switches, starter kill switches, car lights, trunk release, fuel pump, fog lights, engine cooling fan, wipers, central locking, alarms, power windows, car alarm monitors, and other electronic devices.