High Quality Power Control HRA4 Automotive Relay 40Amp
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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 | C | D | R | ② S :Plastic sealed Nil:Dust Cover | |
① | ② | ③ | ④ | ⑤ | ⑥ | 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

Plastic bracket

Metal bracket

PCB terminal

Product Features
-
High reliability relay made by advanced equipmentAdvanced 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
- A variety of housing forms and sockets to accommodate a variety of vehicles
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.
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.