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Best switches relays - Black Friday 2025

Last Updated - November 23, 2025

1
Best Choice
36% Off

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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.

Springer
36% Off

Handbook of Relay Switching Technique

Springer

$34.79

$54.99
(36% Off)

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$34.79
$54.99 (36% Off)
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.

Honeywell

Honeywell R8222B1067 SPDT Switching Relay

Honeywell

$32.00

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Main highlights
- Spdt Switching Relay
- Replacement Part
- 24volt Switching Relay
$32.00
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.

Prismora

9038 Relay Bypass Switch, Relay Bypass Switch Kit, Replacement 9036 9037, Fit for Domestic GM BMW, Audi, Chrysler, 6-Pack, Black

Prismora

$12.99

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Main highlights
- Products Include: 6* relay switches. Please check the OEM part number before purchasing and make sure your part number matches this part number to avoid purchasing the wrong product
- Plug and Play: can be installed vertically or horizontally, just plug in the fuel pump relay position to directly control the fuel pump circuit, very convenient, saving a lot of time and money
- Operating Range: Up to 20 amps continuous current, 30 amps surge current (12V), suitable for most car models on the market, please see the picture for specific models.
- New Upgrade: The shell is made of high-quality materials, dustproof and waterproof; the silver contacts have high conductivity to ensure continuous and stable operation of the power supply
- Compatibility: 9038 replaces 9036 9037, suitable for most domestic, Japanese, Korean and German fuel pumps, window motors, headlight switches and other devices using automotive relays
$12.99
4

✖
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.

Gebildet

Gebildet 2pcs JD1912 Car Relay Harness 12V 40A 4 Pin SPST 12AWG Harness Sockets with Built-in Diode for Automotive Truck Van Motorcycle Boat

Gebildet

$7.99

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Main highlights
- Integrated Diode: Each relay includes a built-in diode that suppresses induced voltage during switching, safeguarding your electrical components from potential damage.
$7.99
5
Best Value

✖
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.

NOYITO

NOYITO 8-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch

NOYITO

$18.99

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Main highlights
- 【IMPORTANT TIPS】Power supply voltage: DC5V. Support USB power supply/external power supply switching. (External power supply interface: connect to the power supply 5V, because the output current of the USB port is limited, it is recommended to use an external power supply when using more than 2 relays)
- Onboard high performance microcontroller chip, CH340 USB control chip. Relay ON/OFF status query command: 0xFF.
- On-board 5V relay, 10A/250VAC, 10A/30VDC relay, long relay life, can work 100,000 times continuously.
- NOYITO 8-Channel Micro USB Relay Module is equipped with a stable USB to serial port chip and a microcontroller. It can use the serial port debugging software to send serial commands on the computer to control the opening and closing of the 4-channel relay.
- Module with overcurrent protection and relay diode freewheel protection.With power LED indicator and relay status LED.
$18.99

Best switches relays - Black Friday 2025

Handbook of Relay Switching Technique

Honeywell R8222B1067 SPDT Switching Relay

9038 Relay Bypass Switch, Relay Bypass Switch Kit, Replacement 9036 9037, Fit for Domestic GM BMW, Audi, Chrysler, 6-Pack, Black

Gebildet 2pcs JD1912 Car Relay Harness 12V 40A 4 Pin SPST 12AWG Harness Sockets with Built-in Diode for Automotive Truck Van Motorcycle Boat

NOYITO 8-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch

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