SD12wl DC Powered, Long Life Span Battery, Wireless 433MHz/868MHz RF Module for Interconnection Smoke Alarm

After years of sustainable development, our company has stood out from the led signal relay, self powered relay, 12v spst relay industry, and the products and services have won unanimous praise from customers. Our mission is to continue to earn your loyalty by dedicating our efforts to the improvement of our products and services in order to ensure the satisfaction of our end-users. Our business policy is: "excellent quality, good service, reasonable price". 'Quality first, Price lowest, Service best' is the spirit of our company. Our enterprise creates value for customers, opportunities for employees, and strengthens management of quality for survival, and technology for development.

1 Product Presentation of pcb 12v 50A relay

Product Features:

◆High load switching capability: 50A

◆4000VAC is avaliable for dielectric strength between contact and coil

◆ Coil isolation grade Class F

◆ High power consumption relay

◆ Dust-proof&Sealed type

◆ In deference to RoHS-Directive

◆ Dimension: 32*27.2*20mm

◆ It Can replace Hongfa's similar relay with model No. HF2150/HF105F-1

Name rule :

NB90 -12  S -S -A W 4KV P T-105℃ X

1           2  3   4   5 6      7  8 9    10

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1: Relay Model 2: Coil rated voltage 3: package S: Sealed, D: dust proof.

4: Contact Material: S:AgSnO2 C:AgCdO 5: Contact Form: A:Normally Open B:Normally Close C:SPDT(NO&NC)

6: W: white None: black 7: 4KV: Dielectric Strength between contact and coil 4000VAC none: Dielectric Strength between contact and coil 2500VAC

8: P: Pin width 2.9mm , none: normal width pin. 9: T-105℃: ambient temperature 105℃ none: normal ambient temperature

10: X: customer used code

2 Figure table of pcb 12v 50A relay

Contact Rating
Contact Form	1A
Contact Material	AgSnO2
Contact Load Capacity	NO: 50A 277VAC 40A 240VAC, 2HP240VAC, TV-15
Switching Power Max.		1500W 13850VA
Switching Voltage Max.		30VDC/277VAC
Switching Current Max.		50A
Contact Resistance Max.		50mΩ(1A ,24VDC)
Life expectancy		Electrical	50A: 1x104 40A: 5x104
		Machanical	10 7

Safety Certification
Approval	TUV/CQC	UL
Load	40A 240VAC 30VDC	50A 277VAC, 2 HP 240VAC, TV-15

Coil Rating
1.2W/0.9W
No.	Coil Voltage		Coil Resistance Ω±10%	Pick up (VDC) Max. (75% of Rated Voltage)	Drop out (VDC) Min.(10% of Rated Voltage)
	Rated	Max.
012-120	12	13.2	120/160	8.4/9.0	0.6
024-120	24	26.4	480/640	16.8/18	1.2

Technical Rating
Insulation Resistance		Min.1000MΩ(500VDC)	IEC 60255-5
Dielectric Strength	Between Contacts	1500VAC, 50/60Hz 1min; Max 4000 VAC	IEC 60255-5
	Between Coil&Contact	4000VAC ( without Pin #6)	IEC 60255-5
Operate Time		≤15ms
Release Time		≤10ms
Shock Resistance		Operation extremes 10G Damage limits 100G	IEC 68-2-27 test Ea
Vibration Resistance		10Hz～55Hz double amplitude 1.5mm	IEC 68-2-6 test Fc
Ambient Temperature		﹣55℃～85℃;﹣55℃～105℃
Relative Humidity		85% RH , 40℃	IEC 68-2-3 test Ca
Weight		Approx.30.0g
Package		Sealed;Dust-proof type

3 Dimension and circuitry of pcb 12v 50A relay

Outline Dimensions

Bottom View Layout

Wiring Diagram(Bottom View)

Engineering Data

Application Strategy example:   EV  AC  charging Pile

4.FAQ

Q: What's your after-sale service?

A: Our quality warranty period is one year. Any quality problem will be solved to customer satisfactions.

Q: Can I request to change the form of packaging and transportation?

A: Yes, We can change the form of the packaging and transportation according to your request, but you have to bear their own costs incurred during this period and the spreads.

The existence of each of our SD12wl DC Powered, Long Life Span Battery, Wireless 433MHz/868MHz RF Module for Interconnection Smoke Alarm must have its special value, and there is a corresponding positioning from the production of products. We have become a respectable enterprise that "reassures the investors, satisfies the customers, trusts the stakeholders, reassures the operators, makes the employees happy and is praised by the society". We are willing to use our own technical strength and other advantages to promote the development of the industry and even make great contributions to social progress.

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