40A Waterproof Automotive Starter Relay, 12V/24V DC

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$64.79

Affordable price waterproof car starter relay designed with 40A contact current comes in contact forms of 1Z (1C) or 1H (1A) and offers coil rated voltages of 12V DC or 24V DC. Choose between 4 pin or 5 pin installation options. This automotive starter relay is a key component in an auto's starting system, serving as a crucial link between the ignition switch and the starter motor.

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SKU: ATO-ASR-40

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Delivery date: 6-12 days

Overview
Related Video

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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