Relay Deals and Discounts - Top Rated in Relay Products

Results for Relay

Discover Relay product treasures from around the world with our guide to cross-border e-commerce. VKDN curates the latest and high-quality recommendations for your global shopping experience in Relay products.

Showing 181–216 of 213 results

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Waveshare Raspberry Pi Relay/Expansion Board for Raspberry Pi 5/4B. loads up to 5A 250V AC or 5A 30V DC

$125.55~~$125.55~~

9% off

M5Stack Official 4-Relay Unit

$11.78~~$12.95~~

37 sold

8% off

ESP32-S3 Industrial-Grade WiFi Relay IOT RS485 Communicator Bluetooth ESP32-S3-Relay-1CH

$24.76~~$27.11~~

9 sold

9% off

M5Stack Official 2-Channel SPST Relay Unit

$5.91~~$6.50~~

35 sold

9% off

Tindie Maker Go ESP32-C5-EVB, RS485 Board with 4 Relays and 4 Opto Isolated Inputs for Control Systems

$216.85~~$238.30~~

37% off

K0EA 2400W Highly Power Module 100A Heavy Duty Relays For Industrials Equipment Motor Control And Home Appliances

$28.09~~$44.58~~

59% off

DIY Programming Educational Kids Micro:bit 4 Channel Relay Module Shield 5V High Trigger Class Teaching Microbit Expansion Board

$92.47~~$225.54~~

4Pcs Single-Chip Relay Module 5V Control Relay Board with Activation LED Efficient Coil Impedance for Sbc Projects Home

$48.20~~$48.20~~

9% off

5V 3A Raspberry Pi 3B+ 3B Power Supply with Switch Button Power Adapter Micro USB Port for Pi Zero 2 W Orange Pi Zero 3 LTS

$35.84~~$39.82~~

345 sold

53% off

3x Undervoltage Protection Module 12V Switch on Voltage Module for Relay

$5.71~~$12.14~~

RS485 Modbus RTU 1，3，4 Channel Relay Module Optocoupler Isolation Industrial Remote Control Switch Board

$98.09~~$98.09~~

59% off

5V 2 Channel Relay Module with Optocoupler Isolation Compatible Arduino ESP32 Raspberry Pi PLC DIY Projects

$84.32~~$205.66~~

9% off

Tindie Maker Go ESP32-C5-EVB, RS485 Automation Board with 4 Relay Outputs and 4 Opto-Isolated Inputs

$216.85~~$238.30~~

11% off

4Pcs 1 Channel Relay Module 5V Dc Input for Development Boards Home Appliance Control Device Automation

$52.21~~$58.68~~

22% off

F3KE High Current 100A Relays Board 2400W Soft Starter For Equipment Safety

$30.39~~$38.96~~

19% off

Waveshare RPi Relay Board (B) Expansion board with 8-ch relays for Raspberry Pi 5/4B/A+/B+/2B/3B/3B+

$23.48~~$28.99~~

3 sold

30% off

10 PCS New 2967099 PLC-RSC-230UC/21-21 Relay Module Works Perfectly High Quality Fast Ship

$217.00~~$310.00~~

9% off

Waveshare Industrial Modbus RTU 8-ch Relay Module (D) With Digital Input and RS485, Modbus RTU Protocol, 7~36V Power Supply

$267.23~~$293.66~~

11 sold

50% off

Grove - 4-Channel Solid State Relay, SSR, switch, G3M3-202P

$176.41~~$356.38~~

7 sold

Waveshare Modbus RTU 16-Ch Relay Module, RS485 Interface, with Multiple Isolation Protection Circuits, Rail-Mount Case

$309.00~~$309.00~~

5 sold

32% off

R53C LAN Ethernet 2 Way Board Delay Switch UDP Controller Module

$90.79~~$134.87~~

6% off

Raspberry Pi Pico Relay Module Industrial 8-Channel Relay Module

$28.36~~$30.49~~

3 sold

1122880000 for Weidmuller TRZ 24VDC 1CO, TERMSERIES, Relay module

$150.00~~$150.00~~

7% off

Industrial Hybrid relay module RS485 Modbus RTU rail with isolation protection

$30.63~~$32.94~~

7 sold

59% off

Laser Receiver Sensor Module Non-Modulator Tube Laser Sensor Module Relay Switch High Level Low Level for Arduino

$92.18~~$224.84~~

SZ Precisions Water Pump Control Board With High Current Relays 1000W 220V Load Capacity And Stable Level Detection

$15.39~~$15.39~~

19% off

Waveshare 30-Ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port, Industrial Grade Rail-Mount Case

$72.08~~$88.99~~

19% off

Waveshare Industrial 8-Channel RP2350 Relay Module, Based On RP2350 Dual-core & Dual-architecture Microcontroller, Digital Input

$40.49~~$49.99~~

11 sold

Industrial 8-Ch RP2350 Relay Module Based On RP2350B Dual-core IOT LAN Supports Digital Input DIO RS485 RJ45 Ethernet POE

$372.70~~$372.70~~

10 sold

43% off

Waveshare SX1268 LoRa HAT Raspberry Pi 470MHz Frequency Band 410-493MHz Wireless Serial Module Auto Relay Deep Sleep Python Exam

$489.46~~$870.00~~

Waveshare Industrial 8CH Ethernet Relay Module Modbus RTU TCP PoE Power Supply Isolated Control

$700.00~~$700.00~~

50% off

Estardyn SSR-40DA DC to AC Solid State Relay Module 3-32V Input 24-380V Output 40A 250V for Temperature Control

$47.15~~$94.31~~

8 sold

Waveshare Raspberry Pi Relay/Expansion Board for Raspberry Pi 5/4B. loads up to 5A 250V AC or 5A 30V DC

$125.55 $125.55

Categories: Computer & Office, Computer Components

Buy Now

9% off

M5Stack Official 4-Relay Unit

$11.78 $12.95

37 sold

Categories: Computer & Office, Computer Components

Buy Now

8% off

ESP32-S3 Industrial-Grade WiFi Relay IOT RS485 Communicator Bluetooth ESP32-S3-Relay-1CH

$24.76 $27.11

9 sold

Categories: Computer & Office, Computer Components

Buy Now

9% off

M5Stack Official 2-Channel SPST Relay Unit

$5.91 $6.50

35 sold

Categories: Computer & Office, Computer Components

Buy Now

9% off

Tindie Maker Go ESP32-C5-EVB, RS485 Board with 4 Relays and 4 Opto Isolated Inputs for Control Systems

$216.85 $238.30

Categories: Computer & Office, Computer Components

Buy Now

37% off

K0EA 2400W Highly Power Module 100A Heavy Duty Relays For Industrials Equipment Motor Control And Home Appliances

$28.09 $44.58

Categories: Computer & Office, Computer Components

Buy Now

59% off

DIY Programming Educational Kids Micro:bit 4 Channel Relay Module Shield 5V High Trigger Class Teaching Microbit Expansion Board

$92.47 $225.54

Categories: Computer & Office, Computer Components

Buy Now

4Pcs Single-Chip Relay Module 5V Control Relay Board with Activation LED Efficient Coil Impedance for Sbc Projects Home

$48.20 $48.20

Categories: Computer & Office, Computer Components

Buy Now

9% off

5V 3A Raspberry Pi 3B+ 3B Power Supply with Switch Button Power Adapter Micro USB Port for Pi Zero 2 W Orange Pi Zero 3 LTS

$35.84 $39.82

345 sold

Categories: Computer & Office, Computer Components

Buy Now

53% off

3x Undervoltage Protection Module 12V Switch on Voltage Module for Relay

$5.71 $12.14

Categories: Computer & Office, Computer Components

Buy Now

RS485 Modbus RTU 1，3，4 Channel Relay Module Optocoupler Isolation Industrial Remote Control Switch Board

$98.09 $98.09

Categories: Computer & Office, Computer Components

Buy Now

59% off

5V 2 Channel Relay Module with Optocoupler Isolation Compatible Arduino ESP32 Raspberry Pi PLC DIY Projects

$84.32 $205.66

Categories: Computer & Office, Computer Components

Buy Now

9% off

Tindie Maker Go ESP32-C5-EVB, RS485 Automation Board with 4 Relay Outputs and 4 Opto-Isolated Inputs

$216.85 $238.30

Categories: Computer & Office, Computer Components

Buy Now

11% off

4Pcs 1 Channel Relay Module 5V Dc Input for Development Boards Home Appliance Control Device Automation

$52.21 $58.68

Categories: Computer & Office, Computer Components

Buy Now

22% off

F3KE High Current 100A Relays Board 2400W Soft Starter For Equipment Safety

$30.39 $38.96

Categories: Computer & Office, Computer Components

Buy Now

19% off

Waveshare RPi Relay Board (B) Expansion board with 8-ch relays for Raspberry Pi 5/4B/A+/B+/2B/3B/3B+

$23.48 $28.99

3 sold

Categories: Computer & Office, Computer Components

Buy Now

30% off

10 PCS New 2967099 PLC-RSC-230UC/21-21 Relay Module Works Perfectly High Quality Fast Ship

$217.00 $310.00

Categories: Computer & Office, Computer Components

Buy Now

9% off

Waveshare Industrial Modbus RTU 8-ch Relay Module (D) With Digital Input and RS485, Modbus RTU Protocol, 7~36V Power Supply

$267.23 $293.66

11 sold

Categories: Computer & Office, Computer Components

Buy Now

50% off

Grove - 4-Channel Solid State Relay, SSR, switch, G3M3-202P

$176.41 $356.38

7 sold

Categories: Computer & Office, Computer Components

Buy Now

Waveshare Modbus RTU 16-Ch Relay Module, RS485 Interface, with Multiple Isolation Protection Circuits, Rail-Mount Case

$309.00 $309.00

5 sold

Categories: Computer & Office, Computer Components

Buy Now

32% off

R53C LAN Ethernet 2 Way Board Delay Switch UDP Controller Module

$90.79 $134.87

Categories: Computer & Office, Computer Components

Buy Now

6% off

Raspberry Pi Pico Relay Module Industrial 8-Channel Relay Module

$28.36 $30.49

3 sold

Categories: Computer & Office, Computer Components

Buy Now

1122880000 for Weidmuller TRZ 24VDC 1CO, TERMSERIES, Relay module

$150.00 $150.00

Categories: Computer & Office, Computer Components

Buy Now

7% off

Industrial Hybrid relay module RS485 Modbus RTU rail with isolation protection

$30.63 $32.94

7 sold

Categories: Computer & Office, Computer Components

Buy Now

59% off

Laser Receiver Sensor Module Non-Modulator Tube Laser Sensor Module Relay Switch High Level Low Level for Arduino

$92.18 $224.84

Categories: Computer & Office, Computer Components

Buy Now

SZ Precisions Water Pump Control Board With High Current Relays 1000W 220V Load Capacity And Stable Level Detection

$15.39 $15.39

Categories: Computer & Office, Computer Components

Buy Now

19% off

Waveshare 30-Ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port, Industrial Grade Rail-Mount Case

$72.08 $88.99

Categories: Computer & Office, Computer Components

Buy Now

19% off

Waveshare Industrial 8-Channel RP2350 Relay Module, Based On RP2350 Dual-core & Dual-architecture Microcontroller, Digital Input

$40.49 $49.99

11 sold

Categories: Computer & Office, Computer Components

Buy Now

Industrial 8-Ch RP2350 Relay Module Based On RP2350B Dual-core IOT LAN Supports Digital Input DIO RS485 RJ45 Ethernet POE

$372.70 $372.70

10 sold

Categories: Computer & Office, Computer Components

Buy Now

43% off

Waveshare SX1268 LoRa HAT Raspberry Pi 470MHz Frequency Band 410-493MHz Wireless Serial Module Auto Relay Deep Sleep Python Exam

$489.46 $870.00

Categories: Computer & Office, Computer Components

Buy Now

Waveshare Industrial 8CH Ethernet Relay Module Modbus RTU TCP PoE Power Supply Isolated Control

$700.00 $700.00

Categories: Computer & Office, Computer Components

Buy Now

50% off

Estardyn SSR-40DA DC to AC Solid State Relay Module 3-32V Input 24-380V Output 40A 250V for Temperature Control

$47.15 $94.31

8 sold

Categories: Computer & Office, Computer Components

Buy Now

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