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5 Best Relays of 2025

Last Updated - 2025/05/22

1
Best Choice

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Digital Loggers

Iot Relay - Enclosed High-Power Power Relay for Arduino, Raspberry Pi, PIC or WiFi, Relay Shield

Digital Loggers

CA$78.95

More Details
Main highlights
- Wires to your Arduino, Raspberry Pi, PIC, or other micro
- Takes the place of a relay board. Fully assembled and ready to use.
- Safe, Reliable Power Control
- One circuit, 4 outlets, 2x NC, 2x NO
- Includes surge supression, debounce, safety breaker
CA$78.95
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

IRHAPSODY

irhapsody 12V 40/30AMP Waterproof Relay Kit, 5-pin SPDT Automotive Relay, with Heavy-Duty Pigtail Wiring Harness

IRHAPSODY

CA$34.99

More Details
Main highlights
- Primary leads use 12 a.w.g tinned copper wire. Coil leads use 16 a.w.g
- Please make sure you made tight connections (especially on the load wires)
- Never go beyond its capabilities. Try to stay 10 to 15% below what the rate is for
- Be careful when inserting the relay into the socket. If you force it, you will bend the female connectors
- 12vdc 5-prong relay. Excellent water-repellent and dustproof ability, but not using it in water
CA$34.99
3

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

KITMOUS

Automotive Relay Harness Set - ELEFOCUS 5 Pin 12V 30/40 AMP SPDT with Interlocking Relay Socket and Color-Labeled Harnesses, 6 Pack

KITMOUS

CA$20.55

CA$21.55
(4% Off)

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Main highlights
CA$20.55
CA$21.55 (4% Off)
4
Best Value
33% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Valefod
33% Off

Valefod DC 5V Relay Module 1-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger, Pack of 10

Valefod

CA$19.99

CA$29.99
(33% Off)

More Details
Main highlights
- 【Universal Interface】Equipped with screwed terminal plate and fixed bolt holes(diameter: 3.1 mm) on both sides for easy installation.
- 【Load Range】NO(Normally open) maximum load < AC 250V/10A, < DC 30V/10A. Trigger current of opto-isolator: 5mA.
- 【High Compatibility】The relay module can be controlled directly by 5V logic signals from microcontroller(Arduino, 8051, AVR, PIC, DSP, ARM, Raspberry Pi, MSP430, TTL logic etc).
- 【Fault-tolerant Design】The relay will not operate even if the control line is disconnected.
- 【Control Devices】The 1-channel relay module uses genuine high quality DC5V relay and SMD opto-isolator supporting high/low level trigger, widely apply to control various AC/DC appliances, and other devices with large current.
CA$19.99
CA$29.99 (33% Off)
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

GLARKS

Glarks 10 Pack 12V 30/40 Amp 5-Pin SPDT Electrical Relays Switch for Automotive Truck Boat Marine

GLARKS

CA$22.98

More Details
Main highlights
- ★ These Relays are Interchangeable/Compatible with: All automobiles and devices equipped with a 12 Volt DC power source.
- ★ Pin Specifications: Ground (85), VDC (30), Trigger (86), Output N/C (87a), and Output N/O (87).
- ★ Package: Including 10 pack 5-Pin SPDT(Single Pole Double Throw) Electrical Relays Switch packed in a plastic box.
- ★ Application: These relays have a universal application and can be used in automotive setups, car sound systems, security systems, and various other applications.
- ★ 40A/30A High Switching Capability.
CA$22.98

5 Best Relays of 2025

Iot Relay - Enclosed High-Power Power Relay for Arduino, Raspberry Pi, PIC or WiFi, Relay Shield

irhapsody 12V 40/30AMP Waterproof Relay Kit, 5-pin SPDT Automotive Relay, with Heavy-Duty Pigtail Wiring Harness

Automotive Relay Harness Set - ELEFOCUS 5 Pin 12V 30/40 AMP SPDT with Interlocking Relay Socket and Color-Labeled Harnesses, 6 Pack

Valefod DC 5V Relay Module 1-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger, Pack of 10

Glarks 10 Pack 12V 30/40 Amp 5-Pin SPDT Electrical Relays Switch for Automotive Truck Boat Marine

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