(0) Shopping cart
You have no items in your shopping cart.
Shopping Categories

    800A High Voltage DC Contactor, 12V/24V coil

    Buy high voltage DC contactor online, with 800 amps rated load current of contact circuit, 1NO or 1NC contact form, available with 6V/12V/24V/36V/48V/60V/72V/84V/120V/150V/220V DC, 220V AC coils. This magnetic HVDC contactor is widely used in the DC high voltage field and offers exceptional performance in an extremely small and lightweight device.
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    800A high voltage DC contactor operates as a switch, allowing or interrupting the flow of DC electricity in high voltage applications, typically ranging from a few hundred volts to several kilovolts. These HVDC contactors are crucial in various industrial and commercial applications, such as electric vehicles (EVs), renewable energy systems (like solar and wind), railways, and power distribution networks.


    Model ATO-SEV800AH
    Contact Form (Optional) 1NO or 1NC
    Coil Rated Voltage (Optional) 6V/12V/24V/36V/48V/60V/72V/84V/120V/150V/220V DC, 220V AC
    Contact Rated Voltage 5-1000V DC
    Contact Circuit Rated Load Current 800A(DC-1)
    Main Contact Voltage Drop >80mV (Under 100A Load)
    Cooling Pull-in Voltage >70% (20±5℃)
    Cooling Release Operating Voltage >35%,<5% (20±5℃)
    Coil Operating Voltage Range 0.8-1.2Us (40℃)
    Power-on Action Time 80ms
    Power-off Release Time 20ms
    Max. Bounce Time of Contact Connection 10ms
    Max. Bounce Time of Contact Disconnection 7ms
    Insulation Resistance 100mΩ
    Dielectric Strength 50Hz/60Hz 2200VAC 1 Minute
    Max. Switching Capacity of Main Contact 1500A/5ms at 48V DC (Power on for 5ms)
    Coil Power Consumption H: Start 30-60W, Maintain 4-10W
    Coil Temperature Rise ≤45K
    Terminal Temperature Rise ≤65K
    Electrical Life 20000 Times
    Mechanical Life 300000 Times
    Work Specifications Continuous
    Contact Material Alloy
    Maximum Influx Time 130ms
    Maximum Switching Current 3000A 320VDC (More Than 1 Time)
    Maximum Switching Power 1000kW
    Load Terminal Type M10 Screw
    Coil Terminal Type 0.3 Square Silicone Wire, 390mm Long
    Auxiliary Contact Rated Load 3A/30VDC
    Contact Terminal M10 Tightening Torque >20.5N.m
    Coil Lead Method Wire Ends Dipped in tin (red+, black-)
    Ambient Temperature -40~+85℃
    Relative Humidity +20℃ 98%
    Vibration Frequency of Fixed Place 3G, 1~50Hz, Amplitude 0.5mm
    Impact (60~100) Times/min, Acceleration ≤4g
    Altitude 2000 Meters
    Installation Direction Any
    Protection Level IP68
    Certification CE, FCC, RoHS

    Load Characteristic Curve

    800A high voltage DC contactor load characteristic curve

    Coil Temperature Rise Curve

    800A high voltage DC contactor coil temperature rise curve

    Installation Dimension

    800A high voltage DC contactor installation dimension

    Wiring Diagram

    800A high voltage DC contactor wiring diagram

    Tips: High voltage DC contactor applications

    • Electric vehicles: In electric vehicles, high voltage DC contactors are used to connect and disconnect the high-voltage DC circuit between the battery pack and the drive motor to ensure the safety and normal operation of the vehicle.
    • Renewable energy systems: In solar and wind power systems, high voltage DC contactors are used to control the output of photovoltaic modules and wind turbines, connecting and disconnecting from the grid or energy storage system.
    • Rail transit: In rail transit systems, high voltage DC contactors are used to control and protect the high voltage DC circuit of the train power supply system to ensure the safety and reliability of train operation.
    • Industrial control and automation: High voltage DC contactors are used in industrial equipment and automation systems to control high power DC motors and other high voltage DC equipment to realize the start, stop and protection of equipment.
    • Energy storage system: In battery energy storage systems, high voltage DC contactors are used to manage the charging and discharging process of the battery pack to ensure efficient operation and safety of the system.

    These applications require high voltage DC contactors with high reliability, fast response capabilities and high voltage withstand capabilities to meet the control and protection needs of high-voltage DC circuits.

    Write your review for 800A High Voltage DC Contactor, 12V/24V coil
    • Only registered users can write reviews
    • Bad
    • Excellent