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    80A Automotive Starter Relay, 12V/24V DC

    Factory price 80A automotive starter relay for sale online, optional of contact form 1A (4 pin SPST NO), 1B (4 pin SPST NC) or 1C (5 pin SPST M-B), available with a choice of 12V DC or 24V DC coil rated voltages. Designed as a crucial component in a car's starting system, this auto starter relay enhances the efficiency and effectiveness of the starting process.
    SKU: ATO-ASR-80
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    Auto starter relay is designed to optimize your vehicle's starting performance, making it a smart choice for any automotive enthusiast. By efficiently managing high currents between the ignition switch and starter motor, it protects your car's electrical components and enhances overall reliability. 


    Model ATO-JD1914-12/24VDC
    Coil Parameter Rated Coil Voltage 12V DC 24V DC
    Rated Current 150mA 75mA
    Coil Resistance (Ω±10%) 80Ω 320Ω
    Operate Voltage (Max.) 7.8V DC 15.6V DC
    Release Voltage (Min.) 1.2V DC 2.4V DC
    Applicable Voltage (Max.) 130% of rated voltage at 70℃, 170% of rated voltage at 23℃
    Operation Condition Insulation Resistance 100MΩ Min. (at 500V DC)
    Dielectric Strength Between Contacts 500V AC (for one minute)
    Between Coil and Contacts 500V AC (for one minute)
    Shock Resistance Operating Extremes: 10g
    Damage Limits: 20g
    Vibration Resistance 10~40Hz 1.5mm
    Release Time 10ms Max.
    Operate Time 10ms Max.
    Ambient Temperature -40℃~+125℃
    Relative Humidity 40~85%
    Weight 46g
    Contact Parameter Contact Form 1A (4 pin SPST NO)/ 1B (4 pin SPST NC)/ 1C (5 pin SPST M-B)
    Contact Material Silver Alloy
    Contact Rating (Resistance) NO: 50A 14V DC
    NC: 40A 14V DC
    NO: 80A 14V DC
    NC: 60A 14V DC
    Max. Switching Voltage 75V DC
    Max. Switching Current 60A/80A
    Max. Switching Power 1120W
    Contact Resistance 100mΩ Max. at 6V DC 1A
    Load Resistive Load (COS φ1)
    Min. Load 0.5A 12V DC
    Electrical Life 100000 Operations (at 30 Operations/Minute)
    Mechanical Life 10000000 Operations (at 30 Operations/Minute)

    Dimension (Unit: mm)

    80A car starter relay dimension

    Note: In case of no tolerance shown in outline dimension: outline dimension 1mm, tolerance should be ±0.2mm; Outline dimension 1mm and 5mm, tolerance should be ±0.3mm; Outlet dimension 5mm, tolerance should be ±0.4mm.

    Wiring & Installation Diagram

    80A car starter relay wiring and installation diagram

    Tips: Does the automotive starter relay require regular maintenance?

    Automotive starter relays generally do not require regular maintenance. These components are designed to be durable and reliable, functioning effectively for the lifespan of the vehicle without frequent attention. However, it is essential to ensure the overall electrical system of the vehicle is in good condition, as this can impact the performance of the starter relay.

    Occasionally, issues such as corroded or loose connections, worn-out contacts, or wiring problems can affect the relay's performance. If starting problems occur, inspecting the relay and its connections should be part of the troubleshooting process. Cleaning any corrosion from terminals and ensuring tight connections can help maintain optimal performance.

    While regular maintenance is not typically necessary, keeping an eye on the starter relay during routine vehicle inspections can help identify and address potential issues early, ensuring the vehicle starts reliably and preventing unexpected breakdowns.

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