Best Selling Electronic Electrical Parts LED 5 Pines 12 24 Volt Copper 80A Channel Car Sealed Transparent Relay Universal

Our company adheres to the tenet of 'honesty based, quality for survival and technological innovation for development' to provide customers with high-quality programmable relay 12v, Clutch Relay, SMPS relay. With the advantages of long-term stock, stable supply and excellent after-sales service, our company has won a good reputation in the industry and is deeply trusted and supported by manufacturers and dealers at home and abroad. We accelerate the modernization of corporate governance to achieve synchronized development with society, sustainable development of the company itself, and good career development for employees.

1 Product Introduction of 40 ampere clutch relay

Product feature:

◆ Small size, heavy contact load, capable of standing strong current of 40A at 14VDC.

◆ PC board mounting.

◆ Suitable for automatic control facilities and automobile application etc.

◆ Both European 11mm pole distance and American 8mm pole distance available.

◆ It automotive flasher relay

Definition for this relay.

Name rule :

BM940 - A - S

1             2   3

1 Model No.

2 Contact Form: A:1A;B:1B;C:1C

3 Package: S-Sealed None--Flux tight type

2 Figure sheet of 40 ampere clutch relay

Contact Rating
Contact Form			1A(1H) (SPSTNO),1B(1D) (SPSTNC),1C(1Z) (SPDT(B-M))
Contact Material			AgSnO2
Contact Load Capacity			1A: 40A/14VDC; 1B: 30A/14VDC; 1C NO: 40A/14VDC, NC: 30A/14VDC
Switching Power Max.			560W 2400VA
Switching Voltage Max.			75VDC 380VAC	Switching Current Max.:	40A
Contact Resistance Max.			≤30mΩ		IEC 61810-7
Life expectancy	Electrical		10 5		IEC 61810-7
	Machanical		10 7		IEC 61810-7

Coil Rating
No.	Coil Voltage(VDC)		Coil Resistance Ω±10%	Pick up (VDC) Max. (70% of Rated Voltage)	Drop out (VDC) Min.(10% of Rated Voltage)	Power (W)	Operate Time (ms)	Release Time (ms)
	Rated	Max.
1	6	7.8	19	4.2	0.6	1.9	≤5	≤3
2	9	11.7	42.6	6.3	0.9
3	12	15.6	90	8.4	1.2	1.6
4	18	23.4	202.5	12.6	1.8
5	24	31.2	360	16.8	2.4

Technical Rating
Insulation Resistance	Min.100MΩ(500VDC)	IEC 60255-5
Dielectric Strength Between Contacts	50Hz 500V	IEC 60255-5
Dielectric Strength Between Coil&Contact	50Hz 750V	IEC 60255-5
Shock Resistance	200m/s 2 11ms	IEC 68-2-27 test Ea
Vibration Resistance	10Hz～40Hz, double amplitude 1.27mm	IEC 68-2-6 test Fc
Leading-out Terminal Strength	10N	IEC 68-2-21 test Ua1
Weldability	235℃±2℃ 3s±0.5s	IEC 68-2-20 test Ta way1
Ambient Temperature	﹣40℃～125℃
Relative Humidity	85%(40℃)	IEC 68-2-3 test Ca
Weight	Approx. 19g,Open type:21g

3 Size and circuit of 40 ampere clutch relay

Outline Dimensions

Bottom View PCB Layout

Wiring Diagram ( Bottom View)

Engineering Data

4.Frequently Asked Question

Q:How many square meters of your factory?

A: More than 3000 square meter.

Q:What main software are you using in your product drawing?

A: We use the most advanced industry designing and developing software, like PRO/E CREO

We try for excellence, service the customers', hopes to be the most effective cooperation workforce and dominator company for staff, suppliers and shoppers, realizes price share and ongoing marketing for Best Selling Electronic Electrical Parts LED 5 Pines 12 24 Volt Copper 80A Channel Car Sealed Transparent Relay Universal. We will never be satisfied because of our past achievements. In front of all new and old customers, we are happy to engage with you in an open-minded and unpretentious manner. Our company has strong technical force, strong new product development ability, and can customize and develop various products for customers.

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