Shop 4 Channel Relay Module

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$17.99
NOYITO 30A 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control,
Amazon.com
$17.99
NOYITO 30A 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control,
Amazon.com
$8.09
$8.99
Sainsmart 4-Channel Relay Module
Amazon.com
10% off
$8.09
$8.99
Sainsmart 4-Channel Relay Module
Amazon.com
$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
$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
$14.99
DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment
Amazon.com
$14.99
DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment
Amazon.com
$5.99
NOYITO 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 10A For PLC Automation Equipment Control (4-
Amazon.com
$5.99
NOYITO 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 10A For PLC Automation Equipment Control (4-
Amazon.com
$18.99
4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC/AC Interface Relay Module Replace FY-T734-24VACDC
Amazon.com
$18.99
4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC/AC Interface Relay Module Replace FY-T734-24VACDC
Amazon.com
$21.02
MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)
Amazon.com
Free shipping
$21.02
MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)
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
$22.99
GAEYAELE 4 Channel Relay Module 1 SPDT DIN Rail Mount 12V DC/AC Interface Relay Module(FY-T734-12VACDC)
Amazon.com
$22.99
GAEYAELE 4 Channel Relay Module 1 SPDT DIN Rail Mount 12V DC/AC Interface Relay Module(FY-T734-12VACDC)
Amazon.com
$7.23
$8.53
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
Amazon.com
15% off
$7.23
$8.53
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
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
$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
$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
$16.99
Cenrykay 2PCS 4-Channel 12V Relay Optocoupler High/Low Level Trigger Module | 2PCS 4CH 12V Relay Modules With Optocoupler Isolation, High/Low Level
Amazon.com
$16.99
Cenrykay 2PCS 4-Channel 12V Relay Optocoupler High/Low Level Trigger Module | 2PCS 4CH 12V Relay Modules With Optocoupler Isolation, High/Low Level
Amazon.com
$161.99
SR504-4 Switching Relay, 4 Channel Relay Module Compatible With Taco Hydronic System Relay
Amazon.com
Free shipping
$161.99
SR504-4 Switching Relay, 4 Channel Relay Module Compatible With Taco Hydronic System Relay
Amazon.com
$17.99
DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home
Amazon.com
$17.99
DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home
Amazon.com
$3.36
4 Channel Relay Module 4-Channel Relay Control Board With Optocoupler. Relay Output 4 Way Relay
AliExpress
$3.36
4 Channel Relay Module 4-Channel Relay Control Board With Optocoupler. Relay Output 4 Way Relay
AliExpress
$4.76
$9.91
5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
AliExpress
51% off
$4.76
$9.91
5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
AliExpress
$4.18
$12.82
5V 4 Channel Relay Shield Module For Arduino UNO R3 Mega2560 Electronic 4 Way Four Channel Relay
AliExpress
67% off
$4.18
$12.82
5V 4 Channel Relay Shield Module For Arduino UNO R3 Mega2560 Electronic 4 Way Four Channel Relay
AliExpress
$5.41
5V/12V 4-Channel Relay Module - Opto-Isolated Relay Shield For Arduino, ARM, PIC, AVR, DSP &
AliExpress
$5.41
5V/12V 4-Channel Relay Module - Opto-Isolated Relay Shield For Arduino, ARM, PIC, AVR, DSP &
AliExpress
$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
$5.58
4 Channel 5V 12V 24V Relay Module With Optocoupler High Or Low Level Trigger Expansion Red Board For
AliExpress
$5.58
4 Channel 5V 12V 24V Relay Module With Optocoupler High Or Low Level Trigger Expansion Red Board For
AliExpress
$38.58
4 Channel Relay Module Dc 12 V 30 A Relay Module With Optocoupler Isolation
Everymarket INC
$38.58
4 Channel Relay Module Dc 12 V 30 A Relay Module With Optocoupler Isolation
Everymarket INC
$92.40
4 Kanal Relay Hutschienenmontage 16 A Leistungsrelais Schnittstellenmodul Dc 12 V Mit Led Anzeige
Everymarket INC
$92.40
4 Kanal Relay Hutschienenmontage 16 A Leistungsrelais Schnittstellenmodul Dc 12 V Mit Led Anzeige
Everymarket INC
$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
$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
$17.02
Hiletgo 4 Channel 24V Relay Module With Optoisolated Support High And Low Level Trigger For Plc Automation Equipment Control
alumigogo
108
$17.02
Hiletgo 4 Channel 24V Relay Module With Optoisolated Support High And Low Level Trigger For Plc Automation Equipment Control
alumigogo
$0.90
12V 4 Channel Relay Module 4 Way Switch With Optocoupler Isolation
Alibaba B2B
Free shipping
$0.90
12V 4 Channel Relay Module 4 Way Switch With Optocoupler Isolation
Alibaba B2B
$36.98
NOYITO 4-Channel Programmable Time Relay Controller 99-Step Multi-Channel Timing Trigger Solenoid Valve Linkage Control LCD Display Optocoupler
Amazon.com
Free shipping
$36.98
NOYITO 4-Channel Programmable Time Relay Controller 99-Step Multi-Channel Timing Trigger Solenoid Valve Linkage Control LCD Display Optocoupler
Amazon.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
$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
$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
$7.21
1PCS DC 5V 12V 24V 4 Channel Optocoupler Relay 4 Way Relay Module With Optocoupler Output Low/High
AliExpress
$7.21
1PCS DC 5V 12V 24V 4 Channel Optocoupler Relay 4 Way Relay Module With Optocoupler Output Low/High
AliExpress
$63.08
Innfeeltech 4Pcs Dc 5 V Relay Module 4 Channel Relay With Optocoupler High Or Low Level Trigger Expansion Board
Everymarket INC
$63.08
Innfeeltech 4Pcs Dc 5 V Relay Module 4 Channel Relay With Optocoupler High Or Low Level Trigger Expansion Board
Everymarket INC
$22.53
$31.73
ABZW ESP32 Modbus 4 Channel Relay Module 9-24V TYPE-C Support RS485 WIFI Bluetooth With Case
Aliexpress
28% off
$22.53
$31.73
ABZW ESP32 Modbus 4 Channel Relay Module 9-24V TYPE-C Support RS485 WIFI Bluetooth With Case
Aliexpress
$3.15
Tuya 4 Channel Relay Module Wifi Switch 4Gang 10A Max Wireless Wifi Timing Function Remote Switch Tuya APP Remote Control
Alibaba B2B
Free shipping
$3.15
Tuya 4 Channel Relay Module Wifi Switch 4Gang 10A Max Wireless Wifi Timing Function Remote Switch Tuya APP Remote Control
Alibaba B2B
$170.00
Allen-Bradley 2080-OW4I Micro800 4-Channel Relay Output, Ser. A
PLCHardware.com
$170.00
Allen-Bradley 2080-OW4I Micro800 4-Channel Relay Output, Ser. A
PLCHardware.com
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Shop 4 Channel Relay Module

Sponsored
About our ads
$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
$16.99
Cenrykay 2PCS 4-Channel 12V Relay Optocoupler High/Low Level Trigger Module | 2PCS 4CH 12V Relay Modules With Optocoupler Isolation, High/Low Level
Amazon.com
$16.99
Cenrykay 2PCS 4-Channel 12V Relay Optocoupler High/Low Level Trigger Module | 2PCS 4CH 12V Relay Modules With Optocoupler Isolation, High/Low Level
Amazon.com
$161.99
SR504-4 Switching Relay, 4 Channel Relay Module Compatible With Taco Hydronic System Relay
Amazon.com
Free shipping
$161.99
SR504-4 Switching Relay, 4 Channel Relay Module Compatible With Taco Hydronic System Relay
Amazon.com
$17.99
DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home
Amazon.com
$17.99
DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home
Amazon.com
$3.36
4 Channel Relay Module 4-Channel Relay Control Board With Optocoupler. Relay Output 4 Way Relay
AliExpress
$3.36
4 Channel Relay Module 4-Channel Relay Control Board With Optocoupler. Relay Output 4 Way Relay
AliExpress
$36.98
NOYITO 4-Channel Programmable Time Relay Controller 99-Step Multi-Channel Timing Trigger Solenoid Valve Linkage Control LCD Display Optocoupler
Amazon.com
Free shipping
$36.98
NOYITO 4-Channel Programmable Time Relay Controller 99-Step Multi-Channel Timing Trigger Solenoid Valve Linkage Control LCD Display Optocoupler
Amazon.com
$4.76
$9.91
5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
AliExpress
51% off
$4.76
$9.91
5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
AliExpress
$4.18
$12.82
5V 4 Channel Relay Shield Module For Arduino UNO R3 Mega2560 Electronic 4 Way Four Channel Relay
AliExpress
67% off
$4.18
$12.82
5V 4 Channel Relay Shield Module For Arduino UNO R3 Mega2560 Electronic 4 Way Four Channel Relay
AliExpress
$5.41
5V/12V 4-Channel Relay Module - Opto-Isolated Relay Shield For Arduino, ARM, PIC, AVR, DSP &
AliExpress
$5.41
5V/12V 4-Channel Relay Module - Opto-Isolated Relay Shield For Arduino, ARM, PIC, AVR, DSP &
AliExpress
$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
$5.58
4 Channel 5V 12V 24V Relay Module With Optocoupler High Or Low Level Trigger Expansion Red Board For
AliExpress
$5.58
4 Channel 5V 12V 24V Relay Module With Optocoupler High Or Low Level Trigger Expansion Red Board For
AliExpress
$38.58
4 Channel Relay Module Dc 12 V 30 A Relay Module With Optocoupler Isolation
Everymarket INC
$38.58
4 Channel Relay Module Dc 12 V 30 A Relay Module With Optocoupler Isolation
Everymarket INC
$92.40
4 Kanal Relay Hutschienenmontage 16 A Leistungsrelais Schnittstellenmodul Dc 12 V Mit Led Anzeige
Everymarket INC
$92.40
4 Kanal Relay Hutschienenmontage 16 A Leistungsrelais Schnittstellenmodul Dc 12 V Mit Led Anzeige
Everymarket INC
$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
$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
$17.02
Hiletgo 4 Channel 24V Relay Module With Optoisolated Support High And Low Level Trigger For Plc Automation Equipment Control
alumigogo
108
$17.02
Hiletgo 4 Channel 24V Relay Module With Optoisolated Support High And Low Level Trigger For Plc Automation Equipment Control
alumigogo
$0.90
12V 4 Channel Relay Module 4 Way Switch With Optocoupler Isolation
Alibaba B2B
Free shipping
$0.90
12V 4 Channel Relay Module 4 Way Switch With Optocoupler Isolation
Alibaba B2B
$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
$17.99
NOYITO 30A 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control,
Amazon.com
$17.99
NOYITO 30A 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control,
Amazon.com
$8.09
$8.99
Sainsmart 4-Channel Relay Module
Amazon.com
10% off
$8.09
$8.99
Sainsmart 4-Channel Relay Module
Amazon.com
$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
$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
$14.99
DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment
Amazon.com
$14.99
DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment
Amazon.com
$5.99
NOYITO 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 10A For PLC Automation Equipment Control (4-
Amazon.com
$5.99
NOYITO 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 10A For PLC Automation Equipment Control (4-
Amazon.com
$18.99
4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC/AC Interface Relay Module Replace FY-T734-24VACDC
Amazon.com
$18.99
4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC/AC Interface Relay Module Replace FY-T734-24VACDC
Amazon.com
$21.02
MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)
Amazon.com
Free shipping
$21.02
MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)
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
$22.99
GAEYAELE 4 Channel Relay Module 1 SPDT DIN Rail Mount 12V DC/AC Interface Relay Module(FY-T734-12VACDC)
Amazon.com
$22.99
GAEYAELE 4 Channel Relay Module 1 SPDT DIN Rail Mount 12V DC/AC Interface Relay Module(FY-T734-12VACDC)
Amazon.com
$7.23
$8.53
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
Amazon.com
15% off
$7.23
$8.53
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
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
$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
$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
$16.99
Cenrykay 2PCS 4-Channel 12V Relay Optocoupler High/Low Level Trigger Module | 2PCS 4CH 12V Relay Modules With Optocoupler Isolation, High/Low Level
Amazon.com
$16.99
Cenrykay 2PCS 4-Channel 12V Relay Optocoupler High/Low Level Trigger Module | 2PCS 4CH 12V Relay Modules With Optocoupler Isolation, High/Low Level
Amazon.com
$161.99
SR504-4 Switching Relay, 4 Channel Relay Module Compatible With Taco Hydronic System Relay
Amazon.com
Free shipping
$161.99
SR504-4 Switching Relay, 4 Channel Relay Module Compatible With Taco Hydronic System Relay
Amazon.com
$17.99
DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home
Amazon.com
$17.99
DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home
Amazon.com
$3.36
4 Channel Relay Module 4-Channel Relay Control Board With Optocoupler. Relay Output 4 Way Relay
AliExpress
$3.36
4 Channel Relay Module 4-Channel Relay Control Board With Optocoupler. Relay Output 4 Way Relay
AliExpress
$4.76
$9.91
5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
AliExpress
51% off
$4.76
$9.91
5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
AliExpress
$4.18
$12.82
5V 4 Channel Relay Shield Module For Arduino UNO R3 Mega2560 Electronic 4 Way Four Channel Relay
AliExpress
67% off
$4.18
$12.82
5V 4 Channel Relay Shield Module For Arduino UNO R3 Mega2560 Electronic 4 Way Four Channel Relay
AliExpress