Shop 4 Channel Relay Module

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$9.99
4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
Amazon.com
2
$9.99
4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
Amazon.com
$17.99
$19.99
Geeekpi 4 Channel Relay Board Module For Raspberry Pi, Power Relay Module For Raspberry Pi 4B/3B+/3/2B (No Programming Required/Programmable)
Amazon.com
10% off
$17.99
$19.99
Geeekpi 4 Channel Relay Board Module For Raspberry Pi, Power Relay Module For Raspberry Pi 4B/3B+/3/2B (No Programming Required/Programmable)
Amazon.com
$1,214.75
750-669/000-003 WAGO Fail-Safe 4/4 Channel Digital Input/Relay Output
Standard Electric Supply Co.
$1,214.75
750-669/000-003 WAGO Fail-Safe 4/4 Channel Digital Input/Relay Output
Standard Electric Supply Co.
$13.99
NOYITO 4-Channel 12V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug And Play Suitable For PC Smart Controller
Amazon.com
$13.99
NOYITO 4-Channel 12V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug And Play Suitable For PC Smart Controller
Amazon.com
$17.99
ESP32 Wifi 4 Channel Relay Module ESP32-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home Wireless
Amazon.com
13
$17.99
ESP32 Wifi 4 Channel Relay Module ESP32-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home Wireless
Amazon.com
$7.97
JESSINIE 5V 4-Channel Relay Module With Optocoupler Isolation, Supports High And Low Level Trigger, Compatible With Arduino And Raspberry Pi For DIY
Amazon.com
53
$7.97
JESSINIE 5V 4-Channel Relay Module With Optocoupler Isolation, Supports High And Low Level Trigger, Compatible With Arduino And Raspberry Pi For DIY
Amazon.com
$7.50
Shillehtek 4-Channel 24V Relay Module - High & Low Level Trigger Relay Controller Board For Arduino, Raspberry Pi, PLC, Home Automation, Industrial
Amazon.com
$7.50
Shillehtek 4-Channel 24V Relay Module - High & Low Level Trigger Relay Controller Board For Arduino, Raspberry Pi, PLC, Home Automation, Industrial
Amazon.com
$179.95
Azel Technologies SP-84 4 Zone Pump Controller Switching Relay With Priority Protection | Supplyhouse.Com
SupplyHouse.com
$179.95
Azel Technologies SP-84 4 Zone Pump Controller Switching Relay With Priority Protection | Supplyhouse.Com
SupplyHouse.com
$15.99
PAC TR-4 Trigger Module 12-Volt Solid State Relay With 1-Second Turn-On Delay
Crutchfield
$15.99
PAC TR-4 Trigger Module 12-Volt Solid State Relay With 1-Second Turn-On Delay
Crutchfield
$435.79
Argo ARM4P ARM-4P 4 Zone Expandable Switching Relay | Supplyhouse.Com
SupplyHouse.com
53
$435.79
Argo ARM4P ARM-4P 4 Zone Expandable Switching Relay | Supplyhouse.Com
SupplyHouse.com
$27.70
4 Channel Relay Module 12V RS485 Transmitter Receiver With 4DI 4DO Switch Remote Control Wireless 433Mhz
Amazon.com
Free shipping
$27.70
4 Channel Relay Module 12V RS485 Transmitter Receiver With 4DI 4DO Switch Remote Control Wireless 433Mhz
Amazon.com
$253.99
MSD Ignition Four Channel Relay Module, 7566-4
Advance Auto Parts
$253.99
MSD Ignition Four Channel Relay Module, 7566-4
Advance Auto Parts
$257.44
Io HVAC Controls IO-WR 4 Channel Wireless Relay Kit | Supplyhouse.Com
SupplyHouse.com
$257.44
Io HVAC Controls IO-WR 4 Channel Wireless Relay Kit | Supplyhouse.Com
SupplyHouse.com
$164.00
Allen-Bradley 2080-OW4I Micro800 4-Channel Relay Output, Ser. A
PLCHardware.com
$164.00
Allen-Bradley 2080-OW4I Micro800 4-Channel Relay Output, Ser. A
PLCHardware.com
$14.99
Relay 4 Zero 3V 4 Channel Relay Shield For Raspberry Pi, Relay HAT Expansion Relay Board For Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero And Zero W | Power
Amazon.com
$14.99
Relay 4 Zero 3V 4 Channel Relay Shield For Raspberry Pi, Relay HAT Expansion Relay Board For Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero And Zero W | Power
Amazon.com
$976.00
Vitrek HC-7B - 4 Channel 70A Source And 4 Channel Sense Relay Card | Tequipment
TEquipment
$976.00
Vitrek HC-7B - 4 Channel 70A Source And 4 Channel Sense Relay Card | Tequipment
TEquipment
$130.42
Salus AKL04P Wired Pump Relay Control - 4 Zone | Supplyhouse.Com
SupplyHouse.com
$130.42
Salus AKL04P Wired Pump Relay Control - 4 Zone | Supplyhouse.Com
SupplyHouse.com
$99.00
Allen-Bradley 1746-OW4 SLC 500 4-Channel Relay Output Module, A
PLCHardware.com
$99.00
Allen-Bradley 1746-OW4 SLC 500 4-Channel Relay Output Module, A
PLCHardware.com
$18.72
$29.71
4 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module ESP32-WROOM Development Board
AliExpress
36% off
$18.72
$29.71
4 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module ESP32-WROOM Development Board
AliExpress
$112.00
ZIPLink Stand-alone Relay Output Module: 4-pt (PN# ZL-RLS4-120)
Automation Direct
$112.00
ZIPLink Stand-alone Relay Output Module: 4-pt (PN# ZL-RLS4-120)
Automation Direct
$439.54
Io HVAC Controls IO-WRP 4 Channel Wireless Relay PLUS Kit | Supplyhouse.Com
SupplyHouse.com
$439.54
Io HVAC Controls IO-WRP 4 Channel Wireless Relay PLUS Kit | Supplyhouse.Com
SupplyHouse.com
$152.05
MSD Ignition 7566-4 MSD 4 Channel Relay Module
VividRacing
$152.05
MSD Ignition 7566-4 MSD 4 Channel Relay Module
VividRacing
$118.00
Relay Output Module: 4-pt, 24 VAC/VDC (PN# P1-04TEPS)
Automation Direct
$118.00
Relay Output Module: 4-pt, 24 VAC/VDC (PN# P1-04TEPS)
Automation Direct
$21.99
Yitouniu 4CH Wireless Relay Module | Smart Home Control | Remote Switch | Self-Locking Mode | Tuya APP & Bluetooth Compatible
Amazon.com
11
$21.99
Yitouniu 4CH Wireless Relay Module | Smart Home Control | Remote Switch | Self-Locking Mode | Tuya APP & Bluetooth Compatible
Amazon.com
$31.55
5Pcs DC12V 4 Channel Level Trigger Optocoupler Relay Module Power Supply Module For Arduino
Alexnld.com
$31.55
5Pcs DC12V 4 Channel Level Trigger Optocoupler Relay Module Power Supply Module For Arduino
Alexnld.com
$17.93
JESSINIE 12V 4 Channels Bluetooth Relay Module 4 Way Bluetooth Wireless Smart Relay Module Smart Home Phone APP Remote Control Switch
Amazon.com
$17.93
JESSINIE 12V 4 Channels Bluetooth Relay Module 4 Way Bluetooth Wireless Smart Relay Module Smart Home Phone APP Remote Control Switch
Amazon.com
$81.00
Relay Output Module: 4-pt, 6-48 VDC/6-208 VAC (PN# F0-04TRS)
Automation Direct
$81.00
Relay Output Module: 4-pt, 6-48 VDC/6-208 VAC (PN# F0-04TRS)
Automation Direct
$197.99
Salus AKL04PRF Wireless Pump Relay Control - 4 Zone | Supplyhouse.Com
SupplyHouse.com
$197.99
Salus AKL04PRF Wireless Pump Relay Control - 4 Zone | Supplyhouse.Com
SupplyHouse.com
$78.00
Relay Output Module: 4-pt, 6-24 VDC/6-240 VAC (PN# C0-04TRS-10)
Automation Direct
$78.00
Relay Output Module: 4-pt, 6-24 VDC/6-240 VAC (PN# C0-04TRS-10)
Automation Direct
$296.99
SCHNEIDER ELECTRIC Modular Smart Relay, 6 Inputs, 4 Outputs, SR3B101FU
Zoro.com
$296.99
SCHNEIDER ELECTRIC Modular Smart Relay, 6 Inputs, 4 Outputs, SR3B101FU
Zoro.com
$128.25
Tektone PM420P5/4 Auxiliary Relay Module With Four Relays.
BEC Integrated
$128.25
Tektone PM420P5/4 Auxiliary Relay Module With Four Relays.
BEC Integrated
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Shop 4 Channel Relay Module

Sponsored
About our ads
$253.99
MSD Ignition Four Channel Relay Module, 7566-4
Advance Auto Parts
$253.99
MSD Ignition Four Channel Relay Module, 7566-4
Advance Auto Parts
$257.44
Io HVAC Controls IO-WR 4 Channel Wireless Relay Kit | Supplyhouse.Com
SupplyHouse.com
$257.44
Io HVAC Controls IO-WR 4 Channel Wireless Relay Kit | Supplyhouse.Com
SupplyHouse.com
$164.00
Allen-Bradley 2080-OW4I Micro800 4-Channel Relay Output, Ser. A
PLCHardware.com
$164.00
Allen-Bradley 2080-OW4I Micro800 4-Channel Relay Output, Ser. A
PLCHardware.com
$14.99
Relay 4 Zero 3V 4 Channel Relay Shield For Raspberry Pi, Relay HAT Expansion Relay Board For Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero And Zero W | Power
Amazon.com
$14.99
Relay 4 Zero 3V 4 Channel Relay Shield For Raspberry Pi, Relay HAT Expansion Relay Board For Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero And Zero W | Power
Amazon.com
$976.00
Vitrek HC-7B - 4 Channel 70A Source And 4 Channel Sense Relay Card | Tequipment
TEquipment
$976.00
Vitrek HC-7B - 4 Channel 70A Source And 4 Channel Sense Relay Card | Tequipment
TEquipment
$17.93
JESSINIE 12V 4 Channels Bluetooth Relay Module 4 Way Bluetooth Wireless Smart Relay Module Smart Home Phone APP Remote Control Switch
Amazon.com
$17.93
JESSINIE 12V 4 Channels Bluetooth Relay Module 4 Way Bluetooth Wireless Smart Relay Module Smart Home Phone APP Remote Control Switch
Amazon.com
$130.42
Salus AKL04P Wired Pump Relay Control - 4 Zone | Supplyhouse.Com
SupplyHouse.com
$130.42
Salus AKL04P Wired Pump Relay Control - 4 Zone | Supplyhouse.Com
SupplyHouse.com
$99.00
Allen-Bradley 1746-OW4 SLC 500 4-Channel Relay Output Module, A
PLCHardware.com
$99.00
Allen-Bradley 1746-OW4 SLC 500 4-Channel Relay Output Module, A
PLCHardware.com
$18.72
$29.71
4 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module ESP32-WROOM Development Board
AliExpress
36% off
$18.72
$29.71
4 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module ESP32-WROOM Development Board
AliExpress
$112.00
ZIPLink Stand-alone Relay Output Module: 4-pt (PN# ZL-RLS4-120)
Automation Direct
$112.00
ZIPLink Stand-alone Relay Output Module: 4-pt (PN# ZL-RLS4-120)
Automation Direct
$439.54
Io HVAC Controls IO-WRP 4 Channel Wireless Relay PLUS Kit | Supplyhouse.Com
SupplyHouse.com
$439.54
Io HVAC Controls IO-WRP 4 Channel Wireless Relay PLUS Kit | Supplyhouse.Com
SupplyHouse.com
$152.05
MSD Ignition 7566-4 MSD 4 Channel Relay Module
VividRacing
$152.05
MSD Ignition 7566-4 MSD 4 Channel Relay Module
VividRacing
$118.00
Relay Output Module: 4-pt, 24 VAC/VDC (PN# P1-04TEPS)
Automation Direct
$118.00
Relay Output Module: 4-pt, 24 VAC/VDC (PN# P1-04TEPS)
Automation Direct
$21.99
Yitouniu 4CH Wireless Relay Module | Smart Home Control | Remote Switch | Self-Locking Mode | Tuya APP & Bluetooth Compatible
Amazon.com
11
$21.99
Yitouniu 4CH Wireless Relay Module | Smart Home Control | Remote Switch | Self-Locking Mode | Tuya APP & Bluetooth Compatible
Amazon.com
$31.55
5Pcs DC12V 4 Channel Level Trigger Optocoupler Relay Module Power Supply Module For Arduino
Alexnld.com
$31.55
5Pcs DC12V 4 Channel Level Trigger Optocoupler Relay Module Power Supply Module For Arduino
Alexnld.com
$81.00
Relay Output Module: 4-pt, 6-48 VDC/6-208 VAC (PN# F0-04TRS)
Automation Direct
$81.00
Relay Output Module: 4-pt, 6-48 VDC/6-208 VAC (PN# F0-04TRS)
Automation Direct
$197.99
Salus AKL04PRF Wireless Pump Relay Control - 4 Zone | Supplyhouse.Com
SupplyHouse.com
$197.99
Salus AKL04PRF Wireless Pump Relay Control - 4 Zone | Supplyhouse.Com
SupplyHouse.com
$78.00
Relay Output Module: 4-pt, 6-24 VDC/6-240 VAC (PN# C0-04TRS-10)
Automation Direct
$78.00
Relay Output Module: 4-pt, 6-24 VDC/6-240 VAC (PN# C0-04TRS-10)
Automation Direct

Shop 4 Channel Relay Module

Sponsored
About our ads
$9.99
4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
Amazon.com
2
$9.99
4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
Amazon.com
$17.99
$19.99
Geeekpi 4 Channel Relay Board Module For Raspberry Pi, Power Relay Module For Raspberry Pi 4B/3B+/3/2B (No Programming Required/Programmable)
Amazon.com
10% off
$17.99
$19.99
Geeekpi 4 Channel Relay Board Module For Raspberry Pi, Power Relay Module For Raspberry Pi 4B/3B+/3/2B (No Programming Required/Programmable)
Amazon.com
$1,214.75
750-669/000-003 WAGO Fail-Safe 4/4 Channel Digital Input/Relay Output
Standard Electric Supply Co.
$1,214.75
750-669/000-003 WAGO Fail-Safe 4/4 Channel Digital Input/Relay Output
Standard Electric Supply Co.
$13.99
NOYITO 4-Channel 12V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug And Play Suitable For PC Smart Controller
Amazon.com
$13.99
NOYITO 4-Channel 12V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug And Play Suitable For PC Smart Controller
Amazon.com
$17.99
ESP32 Wifi 4 Channel Relay Module ESP32-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home Wireless
Amazon.com
13
$17.99
ESP32 Wifi 4 Channel Relay Module ESP32-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home Wireless
Amazon.com
$7.97
JESSINIE 5V 4-Channel Relay Module With Optocoupler Isolation, Supports High And Low Level Trigger, Compatible With Arduino And Raspberry Pi For DIY
Amazon.com
53
$7.97
JESSINIE 5V 4-Channel Relay Module With Optocoupler Isolation, Supports High And Low Level Trigger, Compatible With Arduino And Raspberry Pi For DIY
Amazon.com
$7.50
Shillehtek 4-Channel 24V Relay Module - High & Low Level Trigger Relay Controller Board For Arduino, Raspberry Pi, PLC, Home Automation, Industrial
Amazon.com
$7.50
Shillehtek 4-Channel 24V Relay Module - High & Low Level Trigger Relay Controller Board For Arduino, Raspberry Pi, PLC, Home Automation, Industrial
Amazon.com
$179.95
Azel Technologies SP-84 4 Zone Pump Controller Switching Relay With Priority Protection | Supplyhouse.Com
SupplyHouse.com
$179.95
Azel Technologies SP-84 4 Zone Pump Controller Switching Relay With Priority Protection | Supplyhouse.Com
SupplyHouse.com
$15.99
PAC TR-4 Trigger Module 12-Volt Solid State Relay With 1-Second Turn-On Delay
Crutchfield
$15.99
PAC TR-4 Trigger Module 12-Volt Solid State Relay With 1-Second Turn-On Delay
Crutchfield
$435.79
Argo ARM4P ARM-4P 4 Zone Expandable Switching Relay | Supplyhouse.Com
SupplyHouse.com
53
$435.79
Argo ARM4P ARM-4P 4 Zone Expandable Switching Relay | Supplyhouse.Com
SupplyHouse.com
$27.70
4 Channel Relay Module 12V RS485 Transmitter Receiver With 4DI 4DO Switch Remote Control Wireless 433Mhz
Amazon.com
Free shipping
$27.70
4 Channel Relay Module 12V RS485 Transmitter Receiver With 4DI 4DO Switch Remote Control Wireless 433Mhz
Amazon.com
$253.99
MSD Ignition Four Channel Relay Module, 7566-4
Advance Auto Parts
$253.99
MSD Ignition Four Channel Relay Module, 7566-4
Advance Auto Parts
$257.44
Io HVAC Controls IO-WR 4 Channel Wireless Relay Kit | Supplyhouse.Com
SupplyHouse.com
$257.44
Io HVAC Controls IO-WR 4 Channel Wireless Relay Kit | Supplyhouse.Com
SupplyHouse.com
$164.00
Allen-Bradley 2080-OW4I Micro800 4-Channel Relay Output, Ser. A
PLCHardware.com
$164.00
Allen-Bradley 2080-OW4I Micro800 4-Channel Relay Output, Ser. A
PLCHardware.com
$14.99
Relay 4 Zero 3V 4 Channel Relay Shield For Raspberry Pi, Relay HAT Expansion Relay Board For Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero And Zero W | Power
Amazon.com
$14.99
Relay 4 Zero 3V 4 Channel Relay Shield For Raspberry Pi, Relay HAT Expansion Relay Board For Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero And Zero W | Power
Amazon.com
$976.00
Vitrek HC-7B - 4 Channel 70A Source And 4 Channel Sense Relay Card | Tequipment
TEquipment
$976.00
Vitrek HC-7B - 4 Channel 70A Source And 4 Channel Sense Relay Card | Tequipment
TEquipment
$130.42
Salus AKL04P Wired Pump Relay Control - 4 Zone | Supplyhouse.Com
SupplyHouse.com
$130.42
Salus AKL04P Wired Pump Relay Control - 4 Zone | Supplyhouse.Com
SupplyHouse.com
$99.00
Allen-Bradley 1746-OW4 SLC 500 4-Channel Relay Output Module, A
PLCHardware.com
$99.00
Allen-Bradley 1746-OW4 SLC 500 4-Channel Relay Output Module, A
PLCHardware.com