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Standard ISO Terminal High Current Automotive Relay
  • Standard ISO Terminal High Current Automotive Relay - 0 Standard ISO Terminal High Current Automotive Relay - 0

Standard ISO Terminal High Current Automotive Relay

Ningbo Huaguan is the world class relay supplier. The Standard ISO Terminal High Current Automotive Relays are designed for the use in automobile, lamp accessory, automatic control facility, etc. The relays are available in a variety of current covering from 10A-150A and also come with in plug-in relays and PCB relays.As the global China relay factory, Ningbo Huguan can provide the high quality guaranteed while with low price automotive relays.

◉ 100A switching capability
◉ 24V version with contact gap >0.8mm
◉ Wide temperature range : -40°C to 125° C
◉ 1 Form A,1 Form B,1 Form C and 1U contact arrangement
◉ RoHS Compliant


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Product Description

As the professional manufacturer, we would like to provide you Standard ISO Terminal High Current Automotive Relay. And we will offer you the best after-sale service and timely delivery. Sincerely look forward to cooperating with you in the near future.

Small size.
Contact load capacity up to 100A.
Suitable for automobile.
PC board mounting and direct insert mounting available.

24V versions with contact gap 0.8mm.

Ordering Information

1 Part number:NVF4-3,NVF4-4(Plastic Bracket),
 NVF4-4a( Metal Bracket)
2 Contact arrangement:A:1A; B:1B; C:1C; U:1U
3 Enclosure:S: Wash tight; Z: Flux proof 
4 Contact current:A Form:25A,40A,50A,70A,80A,100A
 B Form:25A,40A,60A
 C Form:25A,40A,50A,60A,80A 
 U Form:2 15A 2 25A
5 Terminals:b: PCB type; a: plug in type
6 Coil rated voltage(V):DC:6,12,24

7 Coil power:1.8:1.8W; 2.3:2.3W; 2.6:2.6W
8 Coil transient suppression: 

 D: with diode 
 2D:with two diodes 
 R: with resistance
 DR: with diode and resistance
 NIL: standard

Contact Data

NOTE Special high performance 24V version with contact gap>0.8mm; Limiting continuous current at 125 :NC/NO:10A/15A,1U:2 11A.

Coil Parameter


1.The use of any coil voltage less than the rated coil voltage will compromise the operation of the relay. 

2.Pickup and release voltage are for test purposes only and are not to be used as design criteria.


Insulation Resistance11

100MΩ min(at 500VDC)

Item 4.11 of IEC 61810-7

Dielectric Strength1>

Between Contacts

Between Contact andCoil

50Hz 500V

50Hz 500V

Item 4.9 of IEC 61810-7

Item 4.9 of IEC 61810-7

Shock Resistance

147m/s² 11ms

Item 4.26 of IEC 61810-7

Vibration Resistance

10Hz-40Hz Double amplitude 1.5mm

Item 4.28 of IEC 61810-7

Terminals Strength

Terminal retention(pull & push):≥100N

Terminal resistance to bending(front & side):≥10N

Item 4.24 of IEC 61810-7

Ambient Temperature



Relative Humidity

5% to 85%

Item 4.16 of IEC 61810-7



Item 4.7 of IEC 61810-7

Note: 1). When testing, coil terminals should be connected,If coil transient suppression is installed in relay .


Reference Data

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