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High Quality Power Control HRA4 Automotive Relay 40Amp

Automotive Relay

High Quality Power Control HRA4 Automotive Relay 40Amp

Size :27.9×27.9× 25(mm)                
40A switching capability                
Various mounting terminals available                
Wash tight and dust protect types available    

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    Product Description

    The dimensions of the Automotive relay HRA4 are 27.9×27.9×25 millimeters, and it has a maximum switching capability of 40A. Various mounting terminals available,  Suitable for a variety of sockets and sockets with wiring harnesses.
    Typical Applications : Fog lamp&Headlight control, Rear window defogger, Air-conditioning, Fuel pump control, Cooling fan control, Battery disconnection device, Start /stop control.

    Product Specification

    Odering Information
      ①  Part No.
    HRA4  S DC12V D R ②  S :Plastic sealed   Nil:Dust Cover
    ③  Coil Voltage :
        DC 6, 12, 24V
      ④  Contact form: 
     A: 1N/O   C: 1C/O  B : 1N/C A : 1 Form A , C 1 Form C
                 ⑥ Parallel coil components ⑤  Version
      R: With Resistor      Nil : Without Bracket
      6V-180Ω ,12V-680Ω,24V2700Ω      D : Plastic bracket
      D: With Diode      T :  Metal bracket
      Nil :Standard      P : PCB terminal
    Specification:
    Contact Characteristics
    Contact Form 1 Form A , 1 Form C Insulation resistance Min 100MΩ(500VDC)
    Contact Material Ag Alloy Dielectric Strength Between contact 550VAC 1min
    Contact Resistance 100 mΩ(6VDC 1A) Between coil &contact  550VAC 1min
    Contact Rating(Resistance Load) Operate time   ≤ 10ms
     NO: 40A  14VDC Release time   ≤ 10ms
    NC: 30A  14VDC Shock Resistance Endurance 100 m/s2
    Max Switching Voltage   75VDC Damage 1000 m/s2
    Max Switching Current   40A Vibration Resistance   10-55 HZ  1.5mm DA
    Max Switching Power   560W Humidity   35%-95% RH
    Electrical Life   100,000 ops Ambient Temperature   -40 ℃ to 85℃
    Mechanical Life   1,000,000 ops Weigt   Approx. 37.0g
      Noted :the data are initial value
    Coil Date: at 23℃
    1.6W/1.8W(with resistor)
    Nominal Voltage VDC Operate Voltage Max VDC Release Voltage Min VDC Max Voltage VDC Coil Resistance Ω +/- 10%
    12.00 8.40 1.20 20.00 90.00
    24.00 16.80 2.40 40.00 350.00
    12(R) 8.40 1.20 20.00 90.00
    24(R) 16.80 2.40 40.00 350.00
    Dimension(mm)                                                                                                                                             Tolerance ±0.2

    Without bracket
    图片137b
    Plastic bracket
    图片21yi
    Metal bracket
    图片3mfl
    PCB terminal
    图片4bcb

    Product Features

    • High reliability relay made by advanced equipment
      Advanced auto relay automatic production line to ensure the reliability and stability of automotive relay HRA4 produced by our company, the use of advanced production technology and materials to ensure the stable operation of products in a variety of harsh environments.


    • Strong shock resistance, strong anti-interference ability
    • The automobile relay HRA4 has a strong vibration resistance, which can resist various vibration and impact generated by the car during the driving process to ensure the stable connection of the circuit. same time,HRA4 have strong anti-interference ability and can resist various electromagnetic interference and radio frequency interference to ensure the stable operation of the circuit.

    • A variety of housing forms and sockets to accommodate a variety of vehicles
    • As a general purpose automotive relay, HRA4 is available in a variety of housings including metal backrest, plastic backrest, no backrest, and can be adapted to a variety of sockets and sockets with wiring harness, and can also be plugged into the circuit board. This safe and reliable relay is suitable for a wide range of vehicles.