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50A Switching Automotive Power Relay

50A Switching Automotive Power Relay

As the professional manufacture, we would like to provide you 50A Switching Automotive Power Relay. Constant training and education enables us to stay on top of industry trends,so we can offer top notch services every time you need us.

● 1 Form A and 1 Form C contact arrangement
● Wide temperature range : -40°C to 125° C
● Plug in or PCB terminals
● Plastic sealed and fluxed proofed types availalbe
● RoHS Compliant


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Product Description

The following is the introduction of high quality 50A Switching Automotive Power Relay, hoping to help you better understand 50A Switching Automotive Power Relay. The company has always been oriented by customer demand and respect for talents, constantly improve their strength, improve service level and quality.


Heavy contact load (50A).

1 Form A and 1 Form C configurations .

PC board mounting and direct insert mounting available.

Widely operated in automobile lamps, Rear-window defroster, air-conditioner, open circuit, fuel pump, cooling fan ,on-off control, etc.

Ordering Information

1 Part number: NVF6,
NVF6-2(Plastic Bracket)
NVF6-2a(With Metal Bracket)
NVF6-2b(Shrouded With Metal Bracket)

2 Contact arrangement: A:1A C:1C

3 Enclosure: S: Wash tight; Z: Flux proof

4 Contact current: 50A

5 Terminals: a: plug in type; b PCB type

6 Coil transient suppression: D: with diode
R: with resistance
NIL: standard

7 Coil rated voltage(V): DC:12,24

Contact Data

Contact Arrangement 1A(SPSTNO) 1C(SPDT(B-M))
Contact Material AgSnO2
Contact Rating (Resistive) 1A 1C
Max. Switching Power 700W
Max. Switching Voltage 75VDC Max. Switching Current:50A
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

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. Without resistor With resistor Without resistor With resistor
Approx. 1.6 Approx. 1.8 ≤10 ≤10


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 Resistance 100MΩ     min (at 500VDC) Item 4.11 of IEC 61810-7
Dielectric Strength
Between Open Contacts 50~60Hz 500V  1min Item 4.9 of IEC 61810-7
Between Contact and Coil 50~60Hz 500V  1min Item 4.9 of IEC 61810-7
Shock Resistance 294m/s² Item 4.26 of IEC 61810-7
Vibration Resistance 10~22.3Hz Double amplitude 10mm 22.3~500Hz 98m/s² 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 35g Item 4.7 of IEC 61810-7


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.


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