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The Best Heavy Duty Relay 12V of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Heavy Duty Relay 12V of 2022. Check our ranking below.

2,382 Reviews Scanned

SaleRank No. #1
Hamolar 2 Pack 12V 200 Amp Continuous Duty Relay Switch Car Starter Heavy Duty Split Charge 4 Terminal SPST Relays for Truck Boat Marine
  • The 12v relay uses high-quality alloy terminals, and the internal contacts are silver-plated. Durable & Firm & Stable Contact Load: High Power Ideal for universal 12V applications.
  • Function: 12VDC (14V Max) 4-Pin SPST (Single Pole Single Throw) Relay with 200A High Switching Capability. Perfect for Split Charging or Various Automotive Applications.
  • High 200A coil capacity- able to handle those high current applications with ease, Heavy duty make or break (on/off) relay.
  • We are equipped with terminal and gaskets to make installation simple and easy.
  • Relay kit made by high-grade flame retardant materials to ensure superior quality and long lifespan. 2 Years Warranty.
SaleRank No. #2
irhapsody Relay 120A, 12V Continuous Duty Relay, 4 Pin High Current Relay, Split Charge Relay Switch, Spst High Power On/Off Heavy Duty Starter Relay
  • Coil power: 1.8w, and coil resistance is 80 ohms. It is more reliable than 2.4w((60 ohms) and 4.8w(30 ohms) relays on the market
  • Large capacity, high current carrying capacity, heavy-duty make/break relay
  • Ideal for split charging or any vehicle needing a high-power relay
  • Never go beyond its capabilities; try to stay 10 to 15% below what the rate is for
  • The size of the round stud terminals: M6/6mm
SaleRank No. #3
EHDIS 2 Packs Car Relay with Harness Truck Motor Heavy Duty 5-Pin 80A 12V Relay On/Off Normally Open SPDT Relay Socket Plug 5 Wire Automotive Relay JD2912-1Z-12VDC 80A 14VDC
  • Brand new heavy duty 12V SPDT relays and socket kit sets
  • 12 Volt 80 amp 5-prong relays socket with 5 wires
  • Mechanical life of 100,000+ cycles, Life Expectancy Mechanical: 10,000,000 Operations
  • These are heavy duty 80A relays. This kit can be used to install electric cooling fans, Electric fuel pumps, Electric water Pumps, Shaved door handles solenoids, Trunk solenoids, Horns.
  • Using this kit will eliminate a high voltage drop in the wire, so it allows your components to work properly
Rank No. #4
EHDIS 4-Pin Relay with Harness Car Truck Motor Heavy Duty 80A 12V On/Off Normally Open SPST Relay Socket Plug 4 Wire Automotive Relay Model JD2912-1H-12VDC 80A 14VDC,Pack of 2
  • Country of Manufacture: China; Material: Plastic, Metal, Copper
  • Contact Type: SPST (Normal Open); Pin Number: 4 Pin
  • Coil: 12VDC 80 Amp; Body Size: 28 x 28 x25mm/1.1" x 1.2" x 1"(L*W*H)
  • Relay size: 33 x 28 x 52mm/1.3" x 1.1" x 2"(L*W*H); Fixing Hole Dia: 6.5mm/2.5"; Socket Size: 35 x 34 x 18 mm
  • Package Content: 2 x Model: JD-2912 Car Relay; 2 x 4 pin relay socket with 4 wires
SaleRank No. #5
irhapsody 5 Pack 40/30 AMP 12V DC Waterproof Relay and Harness - Heavy Duty 12 AWG Tinned Copper Wires, 5-PIN SPDT Automotive Relay
  • Never go beyond its capabilities. Try to stay 10 to 15% below what the rate is for
  • 12-volt 5-prong relay. Excellent water-repellent and dustproof ability, but not using it in water
  • Be careful when inserting the relay into the socket. If you force it, you will bend the female connectors
  • Primary leads use 12 a.w.g tinned copper wire. Coil leads use 16 a.w.g
  • Nominal Coil Voltage: 12 V DC; Coil Power: 1.8 W; Coil Resistance: 80 Ω; Must Operate Voltage: 6~8 V DC; Must Release Voltage: 0.6~3.6 V DC; Maximum Applied Voltage: 15.6 V DC
SaleRank No. #6
Nilight 50044R 5 Pack Waterproof 40/30 AMP Heavy Duty 12 AWG Tinned Copper Wires 5-PIN SPDT Bosch Style 12V Automotive Relay and Harness Set,2 Year Warranty
  • 12 V DC automotive waterproof relays (max 14 V). Note: 12 V and 14 V are coil voltages, they are not the voltage that triggers the switch
  • Premium quality: durable relay and harness socket with 5 wires; made from high-grade materials to ensure superior quality and long lifespan
  • Pre-wired Harness: Heavy duty 12/16 AWG wiring harness. Black - 16AWG Pin85, White - 16AWG Pin86, Red - 12AWG Pin30 Yellow - 12AWG Pin87a, and Blue - 12AWG Pin87
  • Enhanced Waterproof - The 5-Pin relays are tightly sealed with strong cap and seal ring, excellent performance of waterproof, dust proof and moisture proof, works well in any weather conditions
  • Package includes: 5 pack Waterproof Relay and Harness. 1x User manual. 2 Year Warranty by Nilight.
SaleRank No. #7
ESUPPORT Car Auto Heavy Duty Split Charge DC 12V 100A 100 AMP SPST Relay 4 Pin 4P RL180
  • Voltage: 12V, Contact rating: 100A
  • Size: 45mm(L) x 45mm(W) x 45mm(H), about 1.77''(L) x 1.77''(W) x 1.77''(H)
  • It is made of high quality material, with long serving life
  • 4Pin Normally Open with 60 Ohms Coil Resistance.
  • Hundreds of uses include- starter kills, domelight supervision, trunk release, polarity change, power door lock/actuator control
SaleRank No. #8
MaySpare Max Transient 200A Trombetta 12V Solenoid Relay 3 Terminal Heavy Duty Winch Marine 24106 SPST 12 Volt Solenoid
  • Contacts:Normally Open (NO)/ Flat Base Metal Case / 10-32 Terminal
  • 3 Pole Battery Isolation Solenoid, 12VDC With 2 Copper Point,Housing plated Steel Case / 180Flat mounting bracket./ Mounting holes: 5/16 x 19/32, 2-13/64 on centers.
  • Our Coil Roll is using 180℃ Copper. Max Current Above 200amp/ Rate Current: 100A / Our Cover is Environmental Plating,Sealed Unit Protects Solenoid From The Elements Helping Prevent Corrosion
  • if be Continuous Duty,can work 5 minutes under 150Amp, but NEED BREAK otherwise will be too hot to burned or fired
  • Note:If it is the energizing circuit which is typically 16/18 Awg , suggest a 5amp fuse;If 10 Awg wire suggest 30 amp auto cicuit breaker; If high output alternator, suggest an 8 Awg wire with a 50 Amp auto circuit breaker
Rank No. #9
4 Pin 12V Relay 12V 30A Relay Multi Purpose Automotive Relay Black Starter Relay Car Heavy Duty Relay for Car Motor Automotive Replacement Accessories (4 Pieces)…
  • 【SUFFICIENT FOR USING】You will receive 4 pieces 12V 30A 4 pin relays, the size is about 1.41 x 0.94 x 0.63 inch, enough quantity can meet your daily use and replacement, you can share them with your friends and family who need them. Please CHECK THE RELAY SIZE fits your model before purchasing.
  • 【STABLE FOR LONG TIME USE】The black shell of the 12V car relay is made of nylon material which is electrical insulation, the pin is made of brass, which can withstand cold and hot condition, stable and reliable, not easy to break, deform or rust, applicable for a long time.
  • 【EASY TO USE】Starter 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.
  • 【SPECIFICATIONS INFORMATION】12V 30A relay can be applied to control electrical circuits for components on a vehicle that have a high amperage load, such as headlights, fuel pumps and cooling fans.
  • 【EXTENSIVE USAGES】The automotive relay is practical and convenient, can be applied to car tail light, engine compartment, electric cooling fans, electric water pumps, electric fuel pumps, shaved door handles solenoids, trunk solenoids and other equipment.
Rank No. #10
irhapsody 4-pin 80/60AMP 12VDC Waterproof Relay with Harness Kit, Heavy Duty 12 AWG Tinned Copper Wires, 1 Pack SPST Automotive Relay
  • Never go beyond its capabilities. Try to stay 10 to 15% below what the rate is for
  • 12-volt 4-prong relay. Excellent water-repellent and dustproof ability, but not using it in water
  • For the people whose relays are burning, please make sure you are making tight connections (especially on the load wires), read the specs on the item description, and ensure that the operating environment meets the safety requirements of the relay
  • Be careful when inserting the relay into the socket. If you force it, you will bend the female connectors
  • Thick 12 gauge wire for the load terminals. Easy to install just make sure you follow the wiring diagram. Works for both positive and negative activation

Last update on 2023-09-24 / Affiliate links / Images from Amazon Product Advertising API

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