Meishuo mAh 12V 40A Automotive Auto Relay

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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.

We have our own production base to ensure the production and quality standards of our Meishuo mAh 12V 40A Automotive Auto Relay, and our business is thriving after years of unremitting efforts. We encourage and support lifelong personal learning, encourage personal innovation and ensure that the inspirations of employees come true. While serving customers better, we also pay more attention to reasonable energy conservation and providing long-term stable and high-quality services and products for customers.

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