High-performance Automotive Relay HRA7 1 Form A, 1 Form C
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Product Description
The dimensions of the Automotive relay HRA7 are 20.4×15.1×22 millimeters, and it has a maximum switching capability of 30A. Various mounting terminals available, 1 Form A and 1 Form C contact arrangement, plastic sealed and dust protected types are available.
Typical Application : Lighting control, Headlight control , Electromagnet control Air-conditioning , Heaters(seat, front/rear windows),Fan motors control, Fuel pump control, Wiper motors control.
Product Specification
Odering Information | ||||||||
① Part No. | ||||||||
HRA7 | S | DC12V | A | R | ② S :Plastic sealed Nil:Dust Cover | |||
① | ② | ③ | ④ | ⑤ | ③ Coil Voltage : | |||
DC 12, 24V | ||||||||
④ Contact form: | ||||||||
A: 1N/O C: 1C/O B : 1N/C | A : 1 Form A ,C :1 Form C | |||||||
⑤ | Parallel coil components | |||||||
R: With Resistor | ||||||||
D: With Diode | ||||||||
Nil :Standard |
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 | ≤ 5ms | ||||||
NO:35A ,NC: 25A (23 ℃) | Release time | ≤ 10ms | ||||||
NO:30A ,NC: 20A (85 ℃) | Shock Resistance | Endurance | 100 m/s2 | |||||
Lamp: make inrush peak 150 A, break 30A | Damage | 1000 m/s2 | ||||||
Max Switching Voltage | 16VDC | Vibration Resistance | 10-55 HZ 1.5mm DA | |||||
Max Switching Current | Humidity | 35%-85% RH | ||||||
Electrical Life | 100,000 ops | Ambient Temperature | -40 ℃ to 125℃ | |||||
Mechanical Life | 1,000,000 ops | Weigt | Approx. 20.0g | |||||
Noted :the data are initial value |
Coil Date: | at 23℃ | |||
1.2W | ||||
Nominal Voltage VDC | Operate Voltage Max VDC | Release Voltage Min VDC | Max Voltage VDC | Coil Resistance Ω +/- 10% |
12.00 | 8.00 | 1.00 | 20.00 | 124.00 |
Dimension(mm) Tolerance ±0.2

Product Features
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Large current carrying capacity and high safetyHRA7 can carry a large current and can control the switch of high-power equipment, such as high-power lights, electric Windows, etc. At the same time, it can realize electrical isolation, separate the control circuit from the controlled circuit, avoid the influence of high voltage or high current on the control circuit, and improve the safety and stability of the circuit.
- Easy to install, low cost
- Strong shock resistance, strong anti-interference ability
HRA7 can be flexibly installed in the automotive circuit system. Thanks to the use of advanced fully automated production equipment and high volume production, the HRA7 is able to guarantee relatively low cost and economic benefits.
In short, the HRA7 is small in size, easy to install, and can be flexibly installed. Automotive relays have the advantages of strong current carrying capacity, electrical isolation, flexible control, high reliability, easy installation and low cost. Automotive relays have the advantages of strong control ability, high reliability, good flexibility, small size, light weight, etc., and are indispensable components in automotive circuits.