Shop 4 Channel Relay Module

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$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
$68.00
Relay Output Module: 4-pt, 6-240 VAC/6-27 VDC (PN# C0-04TRS)
Automation Direct
$68.00
Relay Output Module: 4-pt, 6-240 VAC/6-27 VDC (PN# C0-04TRS)
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
$7.64
Sainsmart 4-Channel Relay Module
Amazon.com
$7.64
Sainsmart 4-Channel Relay Module
Amazon.com
$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
$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
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NOYITO 30A 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 30A For PLC Automation Equipment Control,
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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
$73.00
Relay Output Module: 4-pt, 5-30 VDC/5-264 VAC (PN# P1-04TRS)
Automation Direct
$73.00
Relay Output Module: 4-pt, 5-30 VDC/5-264 VAC (PN# P1-04TRS)
Automation Direct
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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
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NOYITO 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 10A For PLC Automation Equipment Control (4-
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Cenrykay 2PCS 4-Channel 12V Relay Optocoupler High/Low Level Trigger Module | 2PCS 4CH 12V Relay Modules With Optocoupler Isolation, High/Low Level
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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
$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
$14.22
Velleman VMA400 4 Channel Relay Module
Amazon.com
$14.22
Velleman VMA400 4 Channel Relay Module
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
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$15.99
DWEII 4Pack 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Red Board For Raspberry Pi Arduino
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DWEII 4Pack 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Red Board For Raspberry Pi Arduino
Amazon.com
$18.99
4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC AC Relay Module | Replace FY-T734-24VACDC
Amazon.com
$18.99
4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC AC Relay Module | Replace FY-T734-24VACDC
Amazon.com
$19.74
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
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MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)
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$18.99
GEYA Relay Module 4 Channel 1 SPDT DIN Rail Mount 5VDC Interface Relay Module(FY-T734-5VDC)
Amazon.com
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$18.99
GEYA Relay Module 4 Channel 1 SPDT DIN Rail Mount 5VDC Interface Relay Module(FY-T734-5VDC)
Amazon.com
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NOYITO 4-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch
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$14.99
NOYITO 4-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch
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$178.99
SR504-4 Switching Relaysr-504-44 Channel Relay Module | Compatible With Taco SR504-4 Switching Relay
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SR504-4 Switching Relaysr-504-44 Channel Relay Module | Compatible With Taco SR504-4 Switching Relay
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NOYITO 4-Channel Programmable Time Relay Controller 99-Step Multi-Channel Timing Trigger Solenoid Valve Linkage Control LCD Display Optocoupler
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NOYITO 4-Channel Programmable Time Relay Controller 99-Step Multi-Channel Timing Trigger Solenoid Valve Linkage Control LCD Display Optocoupler
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$6.99
ELEGOO 4 Channel DC 5V Relay Module With Optocoupler For Arduino Projects | Four Active-Low Relay Channels With Optocouplers, Status Leds, NO/COM/NC
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144
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ELEGOO 4 Channel DC 5V Relay Module With Optocoupler For Arduino Projects | Four Active-Low Relay Channels With Optocouplers, Status Leds, NO/COM/NC
Amazon.com
$6.00
5V 4 Channel Relay Module For Arduino Compatible With PIC ARM DSP AVR MSP430 - 2 Pack
Evalm
$6.00
5V 4 Channel Relay Module For Arduino Compatible With PIC ARM DSP AVR MSP430 - 2 Pack
Evalm
$18.99
5Pcs 5V 4 Channel Relay Module Compatible With Arduino And ARM Boards
Evalm
$18.99
5Pcs 5V 4 Channel Relay Module Compatible With Arduino And ARM Boards
Evalm
$13.99
NOYITO 4-Channel 12V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug And Play Suitable For PC Smart Controller
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NOYITO 4-Channel 12V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug And Play Suitable For PC Smart Controller
Amazon.com
$152.05
MSD 7566-4 4-Channel Relay Relay Control Module
THMotorsports
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$152.05
MSD 7566-4 4-Channel Relay Relay Control Module
THMotorsports
$9.99
ANMBEST 2PCS 5V 4 Channel Relay With Optocoupler High/Low Level Trigger | Module For Arduino,Industrial Use, Stable Performance, Wide Compatibility
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ANMBEST 2PCS 5V 4 Channel Relay With Optocoupler High/Low Level Trigger | Module For Arduino,Industrial Use, Stable Performance, Wide Compatibility
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$45.11
Industrial Modbus RTU 4-Ch Relay Module With RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolation Protection Circuits,
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Industrial Modbus RTU 4-Ch Relay Module With RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolation Protection Circuits,
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4 Channel Relay Module 1 SPDT DIN Rail Mount 12V DC/AC Interface Relay Module(FY
eBay
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4 Channel Relay Module 1 SPDT DIN Rail Mount 12V DC/AC Interface Relay Module(FY
eBay
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$17.47
Dc 12V 4 Channel Relay Module High Or Low Level Trigger For
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Dc 12V 4 Channel Relay Module High Or Low Level Trigger For
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Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
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Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
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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
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GUETNEU Relay Board, Relay Module 4 Channel 1 SPDT DIN Rail Mount 24V DC/AC | Interface Board(FY-T734C-D24)
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$20.99
GUETNEU Relay Board, Relay Module 4 Channel 1 SPDT DIN Rail Mount 24V DC/AC | Interface Board(FY-T734C-D24)
Amazon.com
$7.39
Hiletgo 12V 4 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger
Amazon.com
170
$7.39
Hiletgo 12V 4 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger
Amazon.com
$69.00
USB 4 Channel (10A) Relay Output Module,Board For Home Automation
Amazon.com
$69.00
USB 4 Channel (10A) Relay Output Module,Board For Home Automation
Amazon.com
$12.19
$13.54
Relay Module 4 Channel 12V High Low Level Trigger Module Red Relay
eBay
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$13.54
Relay Module 4 Channel 12V High Low Level Trigger Module Red Relay
eBay
$45.11
4-Channel RS485 Relay Board, Modbus RTU Protocol, 30A High Current 7V36V, Multi Isolation Protection Circuits, Industrial Grade Rail-Mount Case
Amazon.com
Free shipping
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4-Channel RS485 Relay Board, Modbus RTU Protocol, 30A High Current 7V36V, Multi Isolation Protection Circuits, Industrial Grade Rail-Mount Case
Amazon.com
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Shop 4 Channel Relay Module

Sponsored
About our ads
$14.22
Velleman VMA400 4 Channel Relay Module
Amazon.com
$14.22
Velleman VMA400 4 Channel Relay Module
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
$15.99
DWEII 4Pack 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Red Board For Raspberry Pi Arduino
Amazon.com
$15.99
DWEII 4Pack 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Red Board For Raspberry Pi Arduino
Amazon.com
$18.99
4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC AC Relay Module | Replace FY-T734-24VACDC
Amazon.com
$18.99
4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC AC Relay Module | Replace FY-T734-24VACDC
Amazon.com
$19.74
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
$19.74
MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)
Amazon.com
$18.99
GEYA Relay Module 4 Channel 1 SPDT DIN Rail Mount 5VDC Interface Relay Module(FY-T734-5VDC)
Amazon.com
Free shipping
$18.99
GEYA Relay Module 4 Channel 1 SPDT DIN Rail Mount 5VDC Interface Relay Module(FY-T734-5VDC)
Amazon.com
$9.99
ANMBEST 2PCS 5V 4 Channel Relay With Optocoupler High/Low Level Trigger | Module For Arduino,Industrial Use, Stable Performance, Wide Compatibility
Amazon.com
$9.99
ANMBEST 2PCS 5V 4 Channel Relay With Optocoupler High/Low Level Trigger | Module For Arduino,Industrial Use, Stable Performance, Wide Compatibility
Amazon.com
$45.11
Industrial Modbus RTU 4-Ch Relay Module With RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolation Protection Circuits,
Amazon.com
Free shipping
$45.11
Industrial Modbus RTU 4-Ch Relay Module With RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolation Protection Circuits,
Amazon.com
$14.99
NOYITO 4-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch
Amazon.com
$14.99
NOYITO 4-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch
Amazon.com
$178.99
SR504-4 Switching Relaysr-504-44 Channel Relay Module | Compatible With Taco SR504-4 Switching Relay
Amazon.com
Free shipping
$178.99
SR504-4 Switching Relaysr-504-44 Channel Relay Module | Compatible With Taco SR504-4 Switching Relay
Amazon.com
$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
$6.99
ELEGOO 4 Channel DC 5V Relay Module With Optocoupler For Arduino Projects | Four Active-Low Relay Channels With Optocouplers, Status Leds, NO/COM/NC
Amazon.com
144
$6.99
ELEGOO 4 Channel DC 5V Relay Module With Optocoupler For Arduino Projects | Four Active-Low Relay Channels With Optocouplers, Status Leds, NO/COM/NC
Amazon.com
$6.00
5V 4 Channel Relay Module For Arduino Compatible With PIC ARM DSP AVR MSP430 - 2 Pack
Evalm
$6.00
5V 4 Channel Relay Module For Arduino Compatible With PIC ARM DSP AVR MSP430 - 2 Pack
Evalm
$18.99
5Pcs 5V 4 Channel Relay Module Compatible With Arduino And ARM Boards
Evalm
$18.99
5Pcs 5V 4 Channel Relay Module Compatible With Arduino And ARM Boards
Evalm
$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
$69.00
USB 4 Channel (10A) Relay Output Module,Board For Home Automation
Amazon.com
$69.00
USB 4 Channel (10A) Relay Output Module,Board For Home Automation
Amazon.com
$152.05
MSD 7566-4 4-Channel Relay Relay Control Module
THMotorsports
Free shipping
$152.05
MSD 7566-4 4-Channel Relay Relay Control Module
THMotorsports
$45.11
4-Channel RS485 Relay Board, Modbus RTU Protocol, 30A High Current 7V36V, Multi Isolation Protection Circuits, Industrial Grade Rail-Mount Case
Amazon.com
Free shipping
$45.11
4-Channel RS485 Relay Board, Modbus RTU Protocol, 30A High Current 7V36V, Multi Isolation Protection Circuits, Industrial Grade Rail-Mount Case
Amazon.com

Shop 4 Channel Relay Module

Sponsored
About our ads
$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
$68.00
Relay Output Module: 4-pt, 6-240 VAC/6-27 VDC (PN# C0-04TRS)
Automation Direct
$68.00
Relay Output Module: 4-pt, 6-240 VAC/6-27 VDC (PN# C0-04TRS)
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
$7.64
Sainsmart 4-Channel Relay Module
Amazon.com
$7.64
Sainsmart 4-Channel Relay Module
Amazon.com
$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
$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
$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
$73.00
Relay Output Module: 4-pt, 5-30 VDC/5-264 VAC (PN# P1-04TRS)
Automation Direct
$73.00
Relay Output Module: 4-pt, 5-30 VDC/5-264 VAC (PN# P1-04TRS)
Automation Direct
$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
$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
$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
$14.22
Velleman VMA400 4 Channel Relay Module
Amazon.com
$14.22
Velleman VMA400 4 Channel Relay Module
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
$15.99
DWEII 4Pack 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Red Board For Raspberry Pi Arduino
Amazon.com
$15.99
DWEII 4Pack 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Red Board For Raspberry Pi Arduino
Amazon.com
$18.99
4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC AC Relay Module | Replace FY-T734-24VACDC
Amazon.com
$18.99
4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC AC Relay Module | Replace FY-T734-24VACDC
Amazon.com
$19.74
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
$19.74
MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)
Amazon.com
$18.99
GEYA Relay Module 4 Channel 1 SPDT DIN Rail Mount 5VDC Interface Relay Module(FY-T734-5VDC)
Amazon.com
Free shipping
$18.99
GEYA Relay Module 4 Channel 1 SPDT DIN Rail Mount 5VDC Interface Relay Module(FY-T734-5VDC)
Amazon.com
$14.99
NOYITO 4-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch
Amazon.com
$14.99
NOYITO 4-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch
Amazon.com