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100A Automotive High Current Relay

100A Automotive High Current Relay

Forward Relay 100A Automotive High Current Relay have characteristic design & practical performance & competitive price, for more information on the 80A Automotive High Current Relay, please feel free to contact us. Any inquiries and problems please feel free to send emails to us and we will reply you soon.

● 100A switching capability
● 1 Form A,1 Form B,1 Form C and 1U contact arrangement
● Wide temperature range : -40°C to 125° C
● Plug in or PCB terminals
● 24V version with contact gap >0.8mm
● Plastic sealed and fluxed proofed types availalbe
● RoHS Compliant


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Product Description

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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

Contact Arrangement 1A(SPSTNO) 1B(SPSTNC) 1C(SPDT(B-M)) 1U(SPSTNODM)
Contact Material AgSnO2
Contact Rating (Resistive) 1A 1B 1C 1U
25A,40A / 24VDC
2×25A/14VDC 2×15A/14VDC
Max. Switching Power 1400W
Max. Switching Voltage 75VDC Max. Switching Current:100A
Voltage Drop(Initial) Typ. 50mV (at 10A) Item 4.12 of IEC 61810-7
Operation Life Electrical 1×105 Item 4.30 of IEC 61810-7
Mechanical 1×107 Item 4.31 of IEC 61810-7

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

Dash numbers Coil voltage VDC Coil resistance
Ω± 10%
Pick-up voltage VDC(max)
(65% of rated voltage)
Drop-out voltage VDC(min)
(10% of rated voltage)
Coil power W Operate time ms Release time ms
Rated Max.
006-1800 6 7.8 20 3.9 0.6 1.8 ≤7 ≤5
024-1800 24 31.2 320 15.6 2.4
012-2300 12 15.6 62.6 7.8 1.2
024-2300 24 31.2 250.4 15.6 2.4
006-2600 6 7.8 13.8 3.9 0.6 2.6
012-2600 12 15.6 55.4 7.8 1.2
024-2600 24 31.2 221.5 15.6 2.4


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 Resistance1) 100MΩ min (at 500VDC) Item 4.11 of IEC 61810-7
Dielectric Strength1)
Between Contacts 50Hz 500V Item 4.9   of IEC 61810-7
Between Contact and Coil 50Hz 500V 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 -40 ℃~125℃
Relative Humidity 5% to 85% Item 4.16 of IEC 61810-7
Mass 46g(NVF4-3);48g(NVF4-4) Item 4.7 of IEC 61810-7

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



In case of no tolerance shown in outline dimension: outline dimension ≤1mm tolerance should be ±0.2mm outline dimension >1mm and ≤5mm, tolerance should be ±0.3mm; outline dimension >5mm, tolerance should be ±0.4mm.

Reference Data

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