Car Relay Power Universal Auto Relay 12V 50A 70A 24V 4pin 5pin Automotive Relay with High Quality Auto Rele Wlvf2

We strive to apply the results we have achieved in scientific research to the development of our 12v relay switching 240v, automatic transfer relay, auto changeover relay. We pay attention to personal and career development as a whole and to any needs of our employees. We strive to help employees achieve their own value and continue to promote the harmonious development of enterprises and employees.

1 Product Recommendation for 24V 50A relay

Product Features :

◆High load switching capability: 50A

◆4000VAC is acceptable for isolating strength between contact and coil

◆ Coil insulation rank Class F

◆ High power consumption relay

◆ Dust-proof&Sealed type

◆ Obey RoHS-Directive

◆ Size of Shell: 32*27.2*20mm

◆ It Can replace Panasonic's similar relay with model No. JTN/JTV

Designation way, customer should choose correct one according to his requirement.

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 sheet of 24V 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 circuit of 24V 50A relay

Outline Dimensions

Bottom View Layout

Wiring Diagram(Bottom View)

Engineering Data

Application Strategy example:   EV  AC  charging Pile

4.Frequently Asked Question

Q: Can we get some samples? Any charges?

A: Yes, free existing labels, you need to pay shipping cost.

Q: Do you have relay suitable for Charging Pile of car ?

A: We recommend our model NB90 series relay, they are very suitable to be used in charging pile.

The company insists on independent innovation, attracts a group of well-known experts in the Car Relay Power Universal Auto Relay 12V 50A 70A 24V 4pin 5pin Automotive Relay with High Quality Auto Rele Wlvf2 industry, sets up a core R&D team, and devotes itself to designing high-quality products. Our corporate culture is persistent, professional, harmonious and win-win, loyal, aggressive, united and joyful. Our company is in line with the purpose of serving the people and benefiting the society.

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