Description
Car starter relay is an electrical component in the auto-starting system. Using an automotive starter relay helps protect the ignition switch from high current loads and ensures reliable engine starting. It also prevents voltage drops, making the starting process more efficient and effective. The automotive starter relay is critical to the overall performance and life of the vehicle’s electrical system and starting system.
Specification
| Model | ATO-JD2912-1H-12/24VDC | ||
| Coil Parameter | Rated Coil Voltage | 12V DC | 24V DC |
| Rated Current | 150mA | 75mA | |
| Coil Resistance (Ω±10%) | 80Ω | 320Ω | |
| Operate Voltage (Max.) | 6~8V DC | 12~16V DC | |
| Release Voltage (Min.) | 0.6~3.6V DC | 1.2~7.2V DC | |
| Applicable Voltage (Max.) | 15.6V DC | 31.2V DC | |
| Operation Condition | Insulation Resistance | 100MΩ Min. (at 500V DC) | |
| Dielectric Strength | Between Contacts | 500V AC (for one minute/sec) | |
| Between Coil and Contacts | 750V AC (for one minute/sec) | ||
| Shock Resistance | Operating Extremes | 10g | |
| Damage Limits | 20g | ||
| Vibration Resistance | 10~55Hz 1.5mm | ||
| Release Time | 7ms | ||
| Operate Time | 5ms | ||
| Ambient Temperature | -30℃~+80℃ | ||
| Relative Humidity | 40~85% | ||
| Weight | 35g | ||
| Safety Standard | CCEE Certification | ||
| Contact Parameter | Contact Form | 1Z (1C)/ 1H (1A) | |
| Contact Material | AgSnO12 | ||
| Contact Rating (Resistance) | NO: 40A 14V DC | ||
| Max. Switching Voltage | 75V DC | ||
| Max. Switching Current | 40A | ||
| Max. Switching Power | 560W | ||
| Contact Resistance | 100mΩ Max. at 6V DC 1A | ||
| Electrical Life | 100000 Operations (at 30 Operations/Minute) | ||
| Mechanical Life | 10000000 Operations (at 30 Operations/Minute) |
Starter Relay Dimension (Unit: mm)
Plug Dimension (Unit: mm)
Wiring Diagram
Tips: What is the difference between a car starter relay and other types of relays?
Car starter relays are significantly different from other types of relays in design and function. Automotive starter relays are mainly used to control the current during engine start, and they must be able to withstand high current loads and frequent starting operations. Generally, car starter relays are designed to be more durable and reliable to cope with the high power requirements when the engine is started.
On the other hand, general relays may be designed for lower-power applications such as home electronic devices, industrial control systems, or electrical equipment. They may use different contact materials and structural designs to accommodate different current and voltage requirements. General relays may focus more on long-term reliability and precise electrical control, rather than emphasizing stability and durability under extreme conditions like car starter relays.
Therefore, the main difference between auto starter relays and other types of relays lies in their designed use, the current load they withstand, and the requirements of the operating environment.
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