Shop 4 relay module

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$68.00
Relay/analog Combo Module: 4-pt in, 2-pt out, 1-ch in, 1-ch out (PN# 14741859)
Automation Direct
$68.00
Relay/analog Combo Module: 4-pt in, 2-pt out, 1-ch in, 1-ch out (PN# 14741859)
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
$39.00
Relay Output Module: 4-pt, 277 VAC/125 VDC (PN# DPM-RELAY)
Automation Direct
$39.00
Relay Output Module: 4-pt, 277 VAC/125 VDC (PN# DPM-RELAY)
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
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
$8.99
Sainsmart 4-Channel Relay Module
Amazon.com
409
$8.99
Sainsmart 4-Channel Relay Module
Amazon.com
$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
$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
8
$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
$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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$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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$19.83
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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Free shipping
$19.83
MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)
Amazon.com
$7.01
$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
12% off
$7.01
$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
$7.11
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
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$7.11
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
Amazon.com
$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
$16.99
4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
Amazon.com
73
$16.99
4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
Amazon.com
$18.99
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
$18.99
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
$28.40
Arduino 4 Relays Shield [A000110] - 4-Channel Relay Module, 5V Control, 10A Rating, Opto-Isolated, Supports AC/DC Loads, Compatible With Arduino IDE
Amazon.com
36
$28.40
Arduino 4 Relays Shield [A000110] - 4-Channel Relay Module, 5V Control, 10A Rating, Opto-Isolated, Supports AC/DC Loads, Compatible With Arduino IDE
Amazon.com
$8.29
ABS With Optocoupler DC Output 817 4 Channel Voltage Isolation Board Level Relay Module Relay Module Board For Calibrating
Amazon.com
1
Free shipping
$8.29
ABS With Optocoupler DC Output 817 4 Channel Voltage Isolation Board Level Relay Module Relay Module Board For Calibrating
Amazon.com
$353.56
131402 4 Ch Dpdt Relay Module W/Relay
Gold Coin Laundry Equipment
$353.56
131402 4 Ch Dpdt Relay Module W/Relay
Gold Coin Laundry Equipment
$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
12
$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
$112.00
Relay/analog Combo Module: 6-pt in, 4-pt out, 3-ch in, 2-ch out (PN# 14742129)
Automation Direct
$112.00
Relay/analog Combo Module: 6-pt in, 4-pt out, 3-ch in, 2-ch out (PN# 14742129)
Automation Direct
$7.57
Velleman VMA400 4 Channel Relay Module
Amazon.com
4
$7.57
Velleman VMA400 4 Channel Relay Module
Amazon.com
$169.99
SR504-4 Switching Relaysr-504-44 Channel Relay Module
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Free shipping
$169.99
SR504-4 Switching Relaysr-504-44 Channel Relay Module
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
$26.36
4 Channel Relay Module 12V RS485 Transmitter Receiver With Antenna 4DI 4DO Switch Remote Control Wireless 433Mhz
Amazon.com
Free shipping
$26.36
4 Channel Relay Module 12V RS485 Transmitter Receiver With Antenna 4DI 4DO Switch Remote Control Wireless 433Mhz
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$16.61
4 Channel Relay Module DC 6-24V For Automotive Motor And LED Control Kit
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2
$16.61
4 Channel Relay Module DC 6-24V For Automotive Motor And LED Control Kit
Amazon.com
$18.99
Newgoal 4-Channel Wifi Smart Switch Relay Module, TUYA/Smart Life App For Smart Home Remote Control, Momentary Time Adjustable, Compatible With Alexa/
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$18.99
Newgoal 4-Channel Wifi Smart Switch Relay Module, TUYA/Smart Life App For Smart Home Remote Control, Momentary Time Adjustable, Compatible With Alexa/
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$9.99
ANMBEST 2PCS 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
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263
$9.99
ANMBEST 2PCS 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
Amazon.com
$46.00
USB 4 Channel (10A) Relay Output Module,Board For Home Automation
Amazon.com
$46.00
USB 4 Channel (10A) Relay Output Module,Board For Home Automation
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
$991.00
Hayward Omnilogic Relay Module (Size: 4 Relay)
Pool Warehouse
1
$991.00
Hayward Omnilogic Relay Module (Size: 4 Relay)
Pool Warehouse
$18.99
4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC/AC Interface Relay Module Replace FY-T734-24VACDC
Amazon.com
3
$18.99
4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC/AC Interface Relay Module Replace FY-T734-24VACDC
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
$45.11
Industrial Modbus RTU 4-Ch Relay Module With RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolation Protection Circuits,
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
$24.46
AUNMAS 4 Channel Multifunction Relay Board Module With Timer, DPDT Switch 8-36V DC, Adjustable Time Delay Relay For Industrial Automation Car
Amazon.com
$24.46
AUNMAS 4 Channel Multifunction Relay Board Module With Timer, DPDT Switch 8-36V DC, Adjustable Time Delay Relay For Industrial Automation Car
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HOW TO USE RELAY MODULE WITH ARDUINO | 4 RELAY MODULE ARDUINO | RELAY MODULE | 5V RELAY MODULE
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Shop 4 relay module

Sponsored
About our ads
$16.99
4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
Amazon.com
73
$16.99
4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
Amazon.com
$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
$18.99
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
$18.99
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
$8.29
ABS With Optocoupler DC Output 817 4 Channel Voltage Isolation Board Level Relay Module Relay Module Board For Calibrating
Amazon.com
1
Free shipping
$8.29
ABS With Optocoupler DC Output 817 4 Channel Voltage Isolation Board Level Relay Module Relay Module Board For Calibrating
Amazon.com
$28.40
Arduino 4 Relays Shield [A000110] - 4-Channel Relay Module, 5V Control, 10A Rating, Opto-Isolated, Supports AC/DC Loads, Compatible With Arduino IDE
Amazon.com
36
$28.40
Arduino 4 Relays Shield [A000110] - 4-Channel Relay Module, 5V Control, 10A Rating, Opto-Isolated, Supports AC/DC Loads, Compatible With Arduino IDE
Amazon.com
$353.56
131402 4 Ch Dpdt Relay Module W/Relay
Gold Coin Laundry Equipment
$353.56
131402 4 Ch Dpdt Relay Module W/Relay
Gold Coin Laundry Equipment
$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
12
$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
$112.00
Relay/analog Combo Module: 6-pt in, 4-pt out, 3-ch in, 2-ch out (PN# 14742129)
Automation Direct
$112.00
Relay/analog Combo Module: 6-pt in, 4-pt out, 3-ch in, 2-ch out (PN# 14742129)
Automation Direct
$7.57
Velleman VMA400 4 Channel Relay Module
Amazon.com
4
$7.57
Velleman VMA400 4 Channel Relay Module
Amazon.com
$169.99
SR504-4 Switching Relaysr-504-44 Channel Relay Module
Amazon.com
Free shipping
$169.99
SR504-4 Switching Relaysr-504-44 Channel Relay Module
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
$16.61
4 Channel Relay Module DC 6-24V For Automotive Motor And LED Control Kit
Amazon.com
2
$16.61
4 Channel Relay Module DC 6-24V For Automotive Motor And LED Control Kit
Amazon.com
$26.36
4 Channel Relay Module 12V RS485 Transmitter Receiver With Antenna 4DI 4DO Switch Remote Control Wireless 433Mhz
Amazon.com
Free shipping
$26.36
4 Channel Relay Module 12V RS485 Transmitter Receiver With Antenna 4DI 4DO Switch Remote Control Wireless 433Mhz
Amazon.com
$9.99
ANMBEST 2PCS 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
Amazon.com
263
$9.99
ANMBEST 2PCS 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
Amazon.com
$18.99
Newgoal 4-Channel Wifi Smart Switch Relay Module, TUYA/Smart Life App For Smart Home Remote Control, Momentary Time Adjustable, Compatible With Alexa/
Amazon.com
$18.99
Newgoal 4-Channel Wifi Smart Switch Relay Module, TUYA/Smart Life App For Smart Home Remote Control, Momentary Time Adjustable, Compatible With Alexa/
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
$46.00
USB 4 Channel (10A) Relay Output Module,Board For Home Automation
Amazon.com
$46.00
USB 4 Channel (10A) Relay Output Module,Board For Home Automation
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

Shop 4 relay module

Sponsored
About our ads
$68.00
Relay/analog Combo Module: 4-pt in, 2-pt out, 1-ch in, 1-ch out (PN# 14741859)
Automation Direct
$68.00
Relay/analog Combo Module: 4-pt in, 2-pt out, 1-ch in, 1-ch out (PN# 14741859)
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
$39.00
Relay Output Module: 4-pt, 277 VAC/125 VDC (PN# DPM-RELAY)
Automation Direct
$39.00
Relay Output Module: 4-pt, 277 VAC/125 VDC (PN# DPM-RELAY)
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
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
$8.99
Sainsmart 4-Channel Relay Module
Amazon.com
409
$8.99
Sainsmart 4-Channel Relay Module
Amazon.com
$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
$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
8
$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
$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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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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$19.83
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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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)
Amazon.com
$7.01
$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
12% off
$7.01
$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
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$7.11
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
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$7.11
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
Amazon.com
$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
$16.99
4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
Amazon.com
73
$16.99
4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)
Amazon.com
$18.99
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
$18.99
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
$28.40
Arduino 4 Relays Shield [A000110] - 4-Channel Relay Module, 5V Control, 10A Rating, Opto-Isolated, Supports AC/DC Loads, Compatible With Arduino IDE
Amazon.com
36
$28.40
Arduino 4 Relays Shield [A000110] - 4-Channel Relay Module, 5V Control, 10A Rating, Opto-Isolated, Supports AC/DC Loads, Compatible With Arduino IDE
Amazon.com
$8.29
ABS With Optocoupler DC Output 817 4 Channel Voltage Isolation Board Level Relay Module Relay Module Board For Calibrating
Amazon.com
1
Free shipping
$8.29
ABS With Optocoupler DC Output 817 4 Channel Voltage Isolation Board Level Relay Module Relay Module Board For Calibrating
Amazon.com
$353.56
131402 4 Ch Dpdt Relay Module W/Relay
Gold Coin Laundry Equipment
$353.56
131402 4 Ch Dpdt Relay Module W/Relay
Gold Coin Laundry Equipment
$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
12
$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