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EHDIS Car Relay 4 Pin 12v 40amp Spst Model No.: JD2912-1H-12VDC 40A 14VDC, Auto Switches & Starters,Pack of 2

4.4 (13) Write Review
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$7.99

$ 3 .99 $3.99

In Stock

About this item

  • Heavy duty 4-prongs SPST relays, jd1912 12v 40a relay
  • Use optional Relay Harness, or female Crimp Connectors
  • High 40A coil capacity- able to handle those high current applications with ease
  • Package Include: 2 x 40A 4-Pin 12V Vehicle Relays
  • The Automotive relay is suitable for normal automobile use and simple to operate, you just need to connect the relay with the wire, no other tools needed, convenient for your use and replace, allowing your components to work properly


Product Description

jd1912 12v 40a relay light bar relay

EHDIS Professional jd1912 12v 40a automotive relay

Contact Data: Contact Material: AgSnO12 Contact Form: 1Z(C) / 1H(A) Contact Ratings: No: 40A 72VDC Contact Resistance: 100mMax at 6VDC 1A Max switching Current: 40A Max Switching Power: 560W Life Expectancy Electrical: 100,000 Operations (at 30 Operations/min) Life Expectancy Mechanical: 10,000,000 Operations

Coil Specification: Nominal Voltage(VDC): 12V Coil Resistance (1.8W): 80 Max Operate Voltage (VDC): 6.5~8.0 Mix Release (VDC): 1.2~3.6 Max Applicable Voltage (VDC): 14

Characteristics: Temperature Range: -30°C ~+80°C Vibration Resistance: 10~55Hz, 1.5mm Shock Resistance: Operations Extremes: 10g Damage Limits: 100g Humidity: 40%~85% Insulation Resistance: 100m ohm Min at 500VDC Safety Standard: CCEE Dielectric Strength Between Open Contacts: 500VAC (for one minute/sec) Between Contact and coil: 750VAC (for one minute/sec) Operate Time: 7ms Release Time: 5ms Weigh: Approx. 35g

The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked.

4 Pin 12v 40 amp relay


The 12 volt relay features a compact size, easy to store in the toolbox at home or in the trunk of your car, convenient to use directly when needed outdoors.

Reliable construction

Improve the efficiency of components by supplying the right amount of current

ehdis car relay 4 pin 12v 40amp
jd 1912 12 volt 40 amp relay htt7101-12v 40a 14vdc

uguu
2025-08-28 17:36:42
Switches fairly fast.
C P H
2025-08-22 12:48:53
The relays arrived quickly and work as intended. Easy to connect to the wiring harness for my truck's lights. This two pack of relays was a third of what my local AutoZone wanted for one. Can't beat the price, even with shipping costs.
Bruce Altman
2025-08-07 17:47:38
Easy to use and works as it should.
ALVIN COPPIN
2025-07-17 12:42:01
works great would buy again
ghostwithin
2025-07-13 11:01:37
Worked on my old truck horn
travis
2025-07-12 11:04:25
Worked fine on some led light bars.
Shelby Bell
2025-07-05 09:26:27
Picked these up to run a set of driving lights to run current off the battery in order to keep the switch cool. They are a basic relay and work exactly as you would expect them to. Appear to be good quality for the money.
Hunter Taylor
2025-05-22 17:09:02
Bought these to replace my relays that went out, easily plugged them in and all they do is click and flicker my lights.
Matt
2025-05-20 14:17:14
Works well, but I made the mistake of not looking and seeing that these are nominally open. Get a 5 pin relay if you want nominally closed. My bad. Regardless they work exactly as they should.
Walter
2025-04-02 11:20:57
Only time will tell ! For now it is perfect
R
2025-02-25 11:10:41
Made of good solid material, could have the bolt holes a little bigger but it's not a huge deal at all, just make sure you get the 5 pack it's a way better deal
Vito I.
2025-01-01 11:20:50
As good as or better than OEM and a Lott less expensive
Rai
2024-12-14 12:19:36
Worked perfectly as a replacement relay for an LED DRL Harness