4pin 20A 5V/9V/12V/24VDC Small T78 Wl78-S-112dm Electromagnetic Relay 360MW for Car Electrical Manufacturing

We adopt advanced technology, which greatly extend the service life of our battery powered relay, heater blower relay, low signal relay. We pursue continuous improvement, surpass ourselves, and constantly improve the satisfaction and loyalty of employees and customers. We hold tightly to the four links of attracting, training, using and retaining talents to create a good environment for the development of talents and provide a strong guarantee for the sustainable development of the company. While promoting the development of the industry, we also do not forget to actively fulfill our social responsibilities and contribute to the country's economic development.

1  Product Recommendation  for  20 ampere small relay 12v

Product Features :

◆ High contact Load ability: Max 12A

◆ High sensitiveness:200mW

◆ Congruent  for PCB

◆ Agree with RoHS Directive

◆ Deplanate type

◆ Flux-tight&Sealed type acceptable

◆ Dimensions: 23.0*16.2*10.6 mm

◆ Its a power sensing relay

Overview

Our Small Relay 12v adopts composite silver contacts to carry high current and increase contact stability and sensitivity. The red copper coil has strong pull-in ability. The standard sufficient electromagnetic coil makes the product run stably, carry current and pull-in more reliable. High quality copper parts, long service life, stronger conductivity and heat dissipation, ensuring mechanical and electrical.

Our Small Relay 12v has a wide range of applications. It is widely used in power switches, electric heaters, ventilators, air conditioners, refrigeration, automobiles and household appliances. We have a number of professional relay R & D engineers to provide you with reasonable solutions from preliminary scheme design to after-sales service.  We are committed to accelerating the brand building of our product and expanding our sales network.  We believe that as long as we continue to implement the company's core values, we will be able to achieve mutual benefit and win-win results with our customers and create a brilliant future!

2  Parameter table of  20 ampere small relay 12v  

Contact Rating
Contact Form	1A
Contact Material	AgCdO    AgSnO2
Contact Load Capacity	16A 250VAC/30VDC,16A 125/277VAC, TV-5 125VAC, 1/3HP 1/4HP 120VAC/125VAC
	120W tungsten lamp load, 0.2W:800va,960va  0.36W:1385VA Electronic ballast load
Switching Power Max.		480W 4000VA
Switching Voltage Max.		30VDC/277VAC
Switching Current Max.		20A
Contact Resistance Max.		100mΩ(1A 24VDC)
Life expectancy		Electrical	10 5
		Machanical	10 7

Coil Rating
1A   200mW							1A   360mW
No.	Coil Voltage		Coil Resistance               Ω±10%	Pick up (VDC) Max. (80% of Rated Voltage)	Drop out (VDC) Min.(10% of Rated Voltage)		No.	Coil Voltage		Coil Resistance              Ω±10%	Pick up (VDC) Max. (80% of Rated Voltage)	Drop out (VDC) Min.(10% of Rated Voltage)
	Rated	Max.						Rated	Max.
5	5	6.5	125	4	0.5		5	5	6.5	62.5	4	0.5
6	6	7.8	180	4.8	0.6		6	6	7.8	90	4.8	0.6
9	9	11.7	405	7.2	0.9		9	9	11.7	202.5	7.2	0.9
12	12	15.6	720	9.6	1.2		12	12	15.6	360	9.6	1.2
18	18	23.4	1620	14.4	1.8		18	18	23.4	810	14.4	1.8
24	24	31.2	2880	19.2	2.4		24	24	31.2	1440	19.2	2.4
48	48	52.8	11520	38.4	4.8		48	48	52.8	5760	38.4	4.8

Technical Rating
Insulation Resistance		Min.1000MΩ(500VDC)	IEC 60255-5
Dielectric Strength	Between Coil&Contact	1000VAC 1min	IEC 60255-5
	Between Contacts	2500VAC 1min	IEC 60255-5
Operate Time		≤10ms
Release Time		≤5ms
Shock Resistance		Operation extremes 10G   Damage limits 100G	IEC 68-2-27 test Ea
Vibration Resistance		10Hz～55Hz amplitude 1.5mm	IEC 68-2-6 test Fc
Leading-out Form		PCB type	IEC 68-2-21 test Ua1
Ambient Temperature		﹣40℃～85℃;﹣40℃～105℃
Relative Humidity		85%  RH	IEC 68-2-3 test Ca
Weight		Approx.8.0g
Package		Sealed,Solder-proof type

Safety Certification
Approval	CQC/TUV	UL
Load	16A 250VAC 30VDC	16A 277VAC,16A 125VAC, TV-5 125VAC,1/3  Motor, 1/4 Motor, 1200W Tungsten, 800VA E.B, 960VA E.B, 1385VA E.B.

3  Size and electrocircuit of  20 ampere small relay 12v

 

Outline Dimensions                                            

Bottom View Layout    

Wiring Diagram(Bottom View)      

4.FAQ

Q: What's is your shipping service? 

A: We can provide services for vessel booking, goods consolidation, customs declaration, shipping documents preparation and delivery bulk at the shipping port. 

Q: If l have a product wants to be made in other special material, can you do it? 

A: Of course, you just need to provide us designed drawings or sample and R&D department will estimate that whether we can do or not, we will give you the most satisfactory reply.

Our company has been striving to develop high-quality 4pin 20A 5V/9V/12V/24VDC Small T78 Wl78-S-112dm Electromagnetic Relay 360MW for Car Electrical Manufacturing for many years, insisting on taking the road of reputation as the cornerstone, quality for survival, and technological development. People from all walks of life are welcome to visit our company to discuss business, and conduct extensive exchanges, and work together! Talent is the foundation of enterprise survival and development. Our employees believe that the interests of the team take precedence over their personal interests and are able to exercise self-restraint and self-motivation, which is a strong advantage for us.

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