Portable USB Battery Powered Carbon Dioxide Monitor CO2 Sensor Gas Leak Detector

Our 20 ampere power relay, car battery relay, automotive relay 12v 50a are sold all over the country and are favored by customers at home and abroad. Based on the principle of good faith, we have established long-term cooperative relations with many customers. We will continue to move forward and develop together with our global customers with excellent quality, reasonable and competitive price, on-time delivery and professional after-sales service. The company always adheres to the tenet of 'honesty, quality for life, innovation as the subject, development-oriented', abides by the quality commitment to users, pays attention to the introduction of talents, so as to offer the best products to customers around the world. Our company fully enjoys the advantages in technology, knowledge, information, capital and other aspects brought by the industrial chain, and constantly improves its competitiveness to maintain its dominant position in the market.

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.

Every Portable USB Battery Powered Carbon Dioxide Monitor CO2 Sensor Gas Leak Detector of our company is unique and scarce worldwide. We provide users with products that others can't satisfy. Our excellent corporate culture is the spiritual force that drives the sustainable development of our company. We hope our employees dare to try and improve in their work, and always attach importance to the development of the enterprise and the collective interests.

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