Ensuring your vehicle's electrical systems function optimally is crucial for safety and performance. Choosing the correct ATC power module relay is a vital step in maintaining your car's electrical integrity. This guide will help you navigate the options and select the most suitable replacement.
Looking for the best Automotive Replacement ATC Power Module Relays?
Discover now our comparison of the best Automotive Replacement ATC Power Module Relays. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Automotive Replacement ATC Power Module Relays are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Automotive Replacement ATC Power Module Relays in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.
No. 1
DaierTek 12V Relay Box 6 Way12 AWG Pre-Wired Waterproof Relay Box 6 Slot ATC/ATO Fuse Relay Block Universal...
- 【6 Way Relay Box】 - This 12v relay box features 6 dedicated slots for neat and organized relay installation, keeping your wiring system tidy. Easily replace a faulty relay individually without disturbing the entire setup, minimizing maintenance...
- 【Integrated Fuse Block】 - Equipped with 6 fuse slots, the 12 AWG pre-wired relay box allows you to install compatible fuses for each circuit, providing dual protection against overcurrent. Fuses blow first to safeguard your devices from damage...
- 【Pre-Wired & Color-Coded】 - This factory-prewired fuse relay block features color-coded wires (e.g., red for power, black for ground, blue for signals) for intuitive connections. The high-power relay side is equipped with 12AWG heavy-duty wires...
- 【Splash & Dust Resistant】 - This relay box is sealed with a durable top cover and rubber gasket, blocking dust, splashing water, and light rain (not fully submersible). Ideal for harsh environments like engine bays, marine setups, or outdoor...
- 【Universal 12V Application】 - Designed for 12V systems, this 6 way relay fuse box is perfect for automotive, truck, marine, RV, and DIY projects, ideal for controlling lights, pumps, motors, or other accessories. Its modular design streamlines complex...
No. 2
ATC Diversified Electronics SUA-440-ASA RELAY; MONITOR/RELAY
- Comprehensive 3-phase protection — shuts equipment down on phase loss, phase reversal or under-voltage in 430-480 VAC systems
- Wide 430-480 VAC range with screwdriver-adjustable dropout; relay energises only when voltages are within spec and ABC sequence is correct
- 10 A SPDT output relay (1 Form C) rated 240 VAC resistive for direct motor-starter or alarm circuits; LED shows “line OK” status
- Plug-in convenience — compact 2.38 × 1.75 × 3.10 in module fits standard 8-pin octal sockets; DIN-rail adapters available for control panels
- UL-Recognized SUA Series quality — USA-built relay protects pumps, compressors & conveyors; drop-in replacement for most 440 V phase monitors
No. 3
irhapsody 5 Pack 40/30 AMP 12V DC Waterproof Relay Kit with Heavy-Duty Pigtail, 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
No. 4
Gebildet 2pcs JD1912 Car Relay Harness 12V 40A 4 Pin SPST 12AWG Harness Sockets with Built-in Diode for...
- Integrated Diode: Each relay includes a built-in diode that suppresses induced voltage during switching, safeguarding your electrical components from potential damage.
- Minimum operating voltage 8V, corresponding minimum operating current is 100mA; Standard operating voltage 12V, corresponding standard operating current is 150mA.
- Small size/Low power consumption/High contact voltage/ High sensitivity.
- Contact Material: Ag Alloy / Contact Resistance: ≤ 100MΩ.
- Life Expectancy Electrical: 100,000 Operation, Life Expectancy Mechanical: 10,000,000 Operation.
SaleNo. 5
Weasch 12V Automotive Fuse and Relay Box, with 12 AWG Pre-Wired, 10 Relays and 15 ATC/ATO Blade Fuses, 5Pin...
- This 12v relay box package includes 10pcs 5Pin 40A JD1914 Relays, 15pcs 5A, 10A, 15A, 20A, 25A, 30A ATC/ATO blade fuses
- This relay fuse box adopts a pre-wired design, and the wires are connected in different colors, which is easy to distinguish and connect. The wire on the high-power side of the relay is 4mm², which is safer when used at high currents
- This 12v relay box includes total 10 available slots for connecting, can make 10 relays connected neatly and tidily in one box, which also makes it easy to replace when one of the relays break down
- This relay box also includes 15 fuse slots for ATC/ATO fuses, which can select the fuse corresponding to the circuit current to protect the equipment from damage by excessive current, providing double protection for your circuit
- This fuse relay box is suitable for allmost types of vehicles, including 4x4s, Jeep SUVs, UTVs, ATVs, RVs, pickups, trailers, campers, boats, etc. It provides a versatile solution for managing electrical systems in a variety of vehicles, ensuring reliable...
SaleNo. 6
12 Volt Pre-Wired Fuse Relay Box Waterproof, 4 Relays and 12 ATC/ATO Blade Fuses,Used for Car Trucks, Boats,RV...
- [Pre-wiring Settings]: The electric wire harness has been completely assembled inside the relay box and can be directly connected to the vehicle. The operation is simple and fast, which greatly reduces the man-hours for installation and wiring.
- [Multi-specification Fuse Equipment]: This automatic fuse assembly contains 12 ATC/ATO fuses, specifically3*10A, 3* 20A , 3*25A 3*30A blade fuses, which can meet diverse application needs.
- [Large Capacity Configuration]: The fuse and relay box are designed with sufficient space to accommodate 4 relays and 12 fuses. The large-capacity design allows multiple relays to be integrated into one, ensuring an orderly circuit layout.
- [High Degree of Security]: The 12V fuse and relay box are designed with an insulating shell to effectively block the intrusion of most dust and splashing moisture, ensuring safe and worry-free use.
- [Wide Applicability]: This waterproof fuse relay module is specially designed to provide a reliable and safe working environment for equipment, helps maintain the cleanliness of the connected system, and is widely used in automobiles, cars, trucks and...
No. 7
Edinstry 12V 4-Pin Relay Fuse Box, 6 Way Automotive Panel with ATC/ATO Blade Fuses, Waterproof Universal Relay...
- Universal Relay and Fuse Kit: This 6-way automotive relay panel includes slots for relays and blade fuses, making it a perfect 12V or 24V fuse box for lights, fan relays, or fuel pump relays.
- Supports 4-Pin and 5-Pin Relays: Compatible with standard 4-pin and 5-pin automotive relays (30A), this relay box supports a wide range of 12V and 24V car relay needs.
- Waterproof and Durable: Built with heat-resistant ABS material and a sealed waterproof cover, this relay fuse box is ideal for use as a marine relay box or under-hood panel.
- Streamlined Installation: Pre-drilled mounting holes and organized relay/fuse layout simplify wiring. Compatible with standard relay harnesses and automotive fuse box replacements.
- Multi-Use Compatibility: Suitable for automotive power distribution upgrades, including RVs, trailers, Jeeps, trucks, or custom relay kits in cars or boats.
SaleNo. 8
Nilight 5 Pack Waterproof Relay and Harness 40/30 AMP Heavy Duty 12 AWG Tinned Copper Wires 5-PIN SPDT Style...
- 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
−15%
$21.35
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SaleNo. 9
Nilight 10 Pack SPDT 5PIN Electrical Relays 12V 30/40 Amp 5-Pin Switch Relay for Automotive Car Truck Marine...
- 12V 5 Pin SPDT Single Pole Double Throw Electrical Relay.
−10%
$12.58
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No. 10
irhapsody 4-pin 40/30AMP 12V DC Waterproof Relay with Heavy-Duty Wires, SPST Automotive Relay, Pack of 1
- 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, make sure you follow the wiring diagram. Works for both positive and negative activation
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Last update on 2026-03-31 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Automotive Replacement ATC Power Module Relays
Key Comparison Points
When comparing different ATC power module relays, focus on:- Voltage and amperage ratings
- Pin configuration (4-pin vs. 5-pin)
- Material quality and construction (e.g., sealed vs. non-sealed)
- Brand reputation and user reviews
- Warranty period
Frequently Asked Questions
What is an ATC power module relay?
An ATC power module relay is an electrically operated switch used in automotive applications. It allows a low-current circuit to control a higher-current circuit, protecting sensitive components and wiring.
How do I know if my relay needs replacing?
Common signs of a failing relay include intermittent electrical issues, a clicking sound from the fuse box, or specific components not working at all. If you suspect a relay issue, testing it or replacing it with a known good one is advisable.
Can I use a relay with a higher amperage rating?
It is generally not recommended to use a relay with a significantly higher amperage rating than the original. This can bypass safety features and potentially lead to overheating or damage to the wiring or connected components.
What is the difference between a 4-pin and a 5-pin relay?
A 4-pin relay typically acts as a simple switch, turning a circuit on or off. A 5-pin relay often includes an additional contact for more complex switching operations, such as inverting a circuit or managing multiple load states.
Are universal relays a good option?
Universal relays can be a viable option if they precisely match the required specifications and pin configuration of your vehicle's original relay. However, always prioritize direct-fit replacements for guaranteed compatibility and optimal performance.
How long do automotive relays typically last?
The lifespan of an automotive relay can vary widely depending on usage, environmental conditions, and build quality. Many high-quality relays can last for many years and hundreds of thousands of cycles, but failures can occur due to wear and tear or electrical stress.
