Car Motor DC 12V 40A 4 Pin Spst Relay Mechanical Relay

Our goal is to make high-quality spdt 24v flasher relay, Power Relay 12v, water heater relay, and provide customers with professional solutions. We create a cultural environment of compliance and create a good safety culture to provide reliable safety guarantee for high-quality development. With our excellent staff team, we are striving for the new strategic goal of becoming an industry leader. We enhance the competitiveness of the market, while making full use of the optimal allocation of talents and resources to continuously develop new high-tech products.

1 Product Recommendation for car door relay

Product feature :

◆ Small size, light weight

◆ PCB board mounting

◆Suitable for automotive automatic control, electronic equipments and remote control systems...etc.

◆Outline dimensions:15.5*12.5*13.5mm

◆ It Can replace Omron's similar relay with model No.G8QN

◆ It Can replace Hongfa's similar relay with model No.HFKW

◆ It Can replace Songchuan's similar relay with model No.895

Name rule, if customer need help just contact our sales department.

Name rule :

MQ8 - C -S -DC12V

1          2   3      4

1 Model No.

2 Contact Form: A: Normally open B: Normally Close C: Normally open & close

3 Construction: S: Sealed type E: Flux tight type

4 Nominal Coil Voltage: 5,6,9,12,18,24(DC)

2 Figure diagram of car door relay

Contact rating

Contact Form		1A ,1B, 1C
Contact material		AgSnO2
Contact Rating (Resistive)		NO:10A 125VAC 7A 250VAC 5A 250VAC NO:20A 14VDC
		NC:10A 125VAC 7A 250VAC 5A 250VAC
Switching Power Max.		280W 1250VA
Switching Voltage Max.		30VDC 125VAC
Switching Current Max.		20 A
Voltage Drop		≤50mV ( @10A) Item 3.12 of IEC 255-7
Endurance	Electrical	105 Item 3.30 of IEC 255-7
	Mechanical	107 Item 3.31 of IEC 255-7

Technical Rating

Insulation Resistance		100MQ(500VDC)Min.	Item 7 of IEC60 255-5
Dielectric Strength	Between Open Contacts	500VAC 50Hz
	Between Contact and Coil	4000VAC 50Hz	Item 6 of IEC 255-5
Shock Resistance		Operation extremes 10G, Damage limits 100G	Item 6 of IEC 255-5
Vibration Resistance		Operation extremes 10-500Hz,4.4G, Damage limits 10-500Hz, 4.4G	IEC 68-2-27 Test Ea
Ambient Temperature		-40°C ~ 85°C
Relative Humidity		85% (20°C )
Weight		6g

Coil Rating

Coil Rating
No.	Coil Voltage(VDC)		Coil ResistanceΩ±10%	Pick up (VDC) Max. (75% of Rated Voltage)	Drop out (VDC) Min.(10% of Rated Voltage)	Power (W)	Operate Time (ms)	Release Time (ms)
	Rated	Max.
005-250	5	5.5	42	3.5	0.5	0.6	≤10	≤5
006-250	6	6.6	60	4.2	0.6
009-250	9	9.9	135	6.3	0.9
012-250	12	13.2	240	8.4	1.2
024-250	24	26.4	960	16.8	2.4
005-540	5	5.5	31	3.5	0.5	0.8	≤10	≤5
006-540	6	6.6	45	4.2	0.6
009-540	9	9.9	101	6.3	0.9
012-540	12	13.2	180	8.4	1.2
024-540	24	26.4	720	16.8	2.4

3 Dimension and electrocircuit of car door relay

Outline Dimensions

Bottom View PCB Layout

Wiring Diagram ( Bottom View)

Engineering Data

4.Frequently Asked Question

Q:When did your factory established?

A: Since 2011

Q: How to solve the product trouble during using ?

A: Please email us about problem with pictures or a small video will be better,we will find the problem and solve it. If broken, we will send you a new free part if in the warranty period.

Our company is mainly engaged in the research and development and manufacturing of Car Motor DC 12V 40A 4 Pin Spst Relay Mechanical Relay. Adhering to the development concept of 'Ensuring product quality and providing excellent service', our company has achieved good win-win results with customers, won the trust and support of customers. We regard the fulfillment of social responsibility as "beyond the pursuit of profit first", and strive to build an excellent corporate image of "trust of investors, love of employees and respect of society". We strive to create a good environment conducive to the outstanding talents to stand out and grow healthily.

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