Waterproof Low Voltage Electrical Cars Relays for Auto Parts Appliance

It is one of the most competitive 240v 40a relay, relay power switch, 277v ac relay brands at home and abroad. We continuously update management methods, improve product quality, increase production efficiency, reduce management costs, and reduce undesirable defects and losses. Our company as a fast growing company, with professional manufacturing technology, high quality products to win a good reputation. We regard the excellent talents of the company as the first driving force to realize the scientific development of the company. We have always been adhering to the business philosophy of 'user-based value support', meticulous service and win-win cooperation.

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.

We're committed to furnishing easy, time-saving and money-saving one-stop purchasing support of consumer for Waterproof Low Voltage Electrical Cars Relays for Auto Parts Appliance. The company attracts outstanding talents and recruits them with passion, ability to bear hardships and unity, and they are not afraid of difficulties and go forward. We take "care, environmental protection, health, progress" as corporate responsibility.

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