Shop Relay 4 Channel

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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
$68.00
Relay Output Module: 4-pt, 6-240 VAC/6-27 VDC (PN# C0-04TRS)
Automation Direct
10
$68.00
Relay Output Module: 4-pt, 6-240 VAC/6-27 VDC (PN# C0-04TRS)
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
$9.49
$13.55
ESP32 4 Channel AC 220V 30A Relay Development Board Compatible With WIFI Bluetooth Electronic
Aliexpress
29% off
$9.49
$13.55
ESP32 4 Channel AC 220V 30A Relay Development Board Compatible With WIFI Bluetooth Electronic
Aliexpress
$2.85
5V 12V 4-Channel Relay Module Shield ARM PIC AVR DSP Electronic 5V 4 Channel Relay.4 Road 5V Relay
Aliexpress
$2.85
5V 12V 4-Channel Relay Module Shield ARM PIC AVR DSP Electronic 5V 4 Channel Relay.4 Road 5V Relay
Aliexpress
$3.37
1PCS 5V 4 Channel Relay Module With Optocoupler Relay Output 4 Way Relay Module For Arduino Relays
Aliexpress
$3.37
1PCS 5V 4 Channel Relay Module With Optocoupler Relay Output 4 Way Relay Module For Arduino Relays
Aliexpress
$3.66
$7.33
5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
Aliexpress
50% off
$3.66
$7.33
5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
Aliexpress
$4.56
1PCS DC 5V 12V 24V 4 Channel Optocoupler Relay 4 Way Relay Module With Optocoupler Output Low/High
Aliexpress
Free shipping
$4.56
1PCS DC 5V 12V 24V 4 Channel Optocoupler Relay 4 Way Relay Module With Optocoupler Output Low/High
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
$2.67
1/2/4 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
Aliexpress
Free shipping
$2.67
1/2/4 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
Aliexpress
$7.85
4CH Smart Switch 4 Channel Wifi Relay DC AC 12V 24V 220V Inching Self-Locking Module Work With
Aliexpress
$7.85
4CH Smart Switch 4 Channel Wifi Relay DC AC 12V 24V 220V Inching Self-Locking Module Work With
Aliexpress
$241.75
RIBMW24B-44-BC | Functional Devices | Bacnet MS/TP Network Relay Device, Four Binary Outputs + Override, Four Binary Inputs, 24 Vac/Dc Power Input, 4.
Building Controls & Solutions
30-day returns (most items)
$241.75
RIBMW24B-44-BC | Functional Devices | Bacnet MS/TP Network Relay Device, Four Binary Outputs + Override, Four Binary Inputs, 24 Vac/Dc Power Input, 4.
Building Controls & Solutions
$3.00
1-5PCS 4 Channel Relay Board AVR 51 PIC 5V 12V 4-Channel Relay Module With Optocoupler Relay 4 Way
Aliexpress
Free shipping
$3.00
1-5PCS 4 Channel Relay Board AVR 51 PIC 5V 12V 4-Channel Relay Module With Optocoupler Relay 4 Way
Aliexpress
$133.00
Relay Output Module: 4-pt, 6-24 VDC/6-240 VAC (PN# D2-04TRS)
Automation Direct
$133.00
Relay Output Module: 4-pt, 6-24 VDC/6-240 VAC (PN# D2-04TRS)
Automation Direct
$0.94
5V/12V 4-Channel Relay Module Shield ARM PIC AVR DSP Electronic 5V 4 Channel Relay.4 Road 5V Relay
Aliexpress
$0.94
5V/12V 4-Channel Relay Module Shield ARM PIC AVR DSP Electronic 5V 4 Channel Relay.4 Road 5V Relay
Aliexpress
$5.60
$7.78
Smart Multiple DC 12V 24V 36V 10A 433 Mhz 4CH 4 CH 4 Channel Wireless Relay RF Remote Control Switch
Aliexpress
Free shipping
28% off
$5.60
$7.78
Smart Multiple DC 12V 24V 36V 10A 433 Mhz 4CH 4 CH 4 Channel Wireless Relay RF Remote Control Switch
Aliexpress
$4.03
$5.10
Diymore RF Smart Switch 4 Channel DC 7-32V Relay Module Wireless Wifi Delay Relay Switch App Remote
Aliexpress
20% off
$4.03
$5.10
Diymore RF Smart Switch 4 Channel DC 7-32V Relay Module Wireless Wifi Delay Relay Switch App Remote
Aliexpress
$1.93
4 Channel Relay Module 4-Channel Relay Control Board With Optocoupler. Relay Output 4 Way Relay
Aliexpress
$1.93
4 Channel Relay Module 4-Channel Relay Control Board With Optocoupler. Relay Output 4 Way Relay
Aliexpress
$22.07
DC 5V 12V 24V 4 Channel Pro Mini PLC Board Relay Shield Module For Arduiuo Delay Timer Switch
Aliexpress
Free shipping
$22.07
DC 5V 12V 24V 4 Channel Pro Mini PLC Board Relay Shield Module For Arduiuo Delay Timer Switch
Aliexpress
$5.87
$10.55
Expansion Board 5V 12V 4-Channel Relay Module With Optocoupler Relay AVR 51 PIC 4 Way Relay Module
Aliexpress
44% off
$5.87
$10.55
Expansion Board 5V 12V 4-Channel Relay Module With Optocoupler Relay AVR 51 PIC 4 Way Relay Module
Aliexpress
$8.21
$12.08
GEYA 4 Channel Relay Module DC 24V 12V Intermediate Power Relay Control Switch 220V 230V 5VDC
Aliexpress
Free shipping
32% off
$8.21
$12.08
GEYA 4 Channel Relay Module DC 24V 12V Intermediate Power Relay Control Switch 220V 230V 5VDC
Aliexpress
$14.31
4 Channel Relay Module 5V/12V/24V 30A Load Current With Optocoupler Isolation Supports High And Low
Aliexpress
Free shipping
$14.31
4 Channel Relay Module 5V/12V/24V 30A Load Current With Optocoupler Isolation Supports High And Low
Aliexpress
$3.29
Modbus RTU 4 Way Relay Module DIY 4 Road Input 485 TTL Communication 4-Channel Input Relay Module
Aliexpress
Free shipping
$3.29
Modbus RTU 4 Way Relay Module DIY 4 Road Input 485 TTL Communication 4-Channel Input Relay Module
Aliexpress
$2.91
$3.10
DC 12V USB Relay 4CH 4 WAY Channel Programmable Computer Control Controller Relay For Smart Home
Aliexpress
Free shipping
$2.91
$3.10
DC 12V USB Relay 4CH 4 WAY Channel Programmable Computer Control Controller Relay For Smart Home
Aliexpress
$3.79
4 Channel 5V 12V 24V Relay Module With Optocoupler High Or Low Level Trigger Expansion Red Board For
Aliexpress
$3.79
4 Channel 5V 12V 24V Relay Module With Optocoupler High Or Low Level Trigger Expansion Red Board For
Aliexpress
$14.28
$17.63
WIFI 4CH Smart Module Switch,Motor Controller,DC 12V 24V 32V AC220V,4 Channel Pulse RF433 Relay,For
Aliexpress
Free shipping
19% off
$14.28
$17.63
WIFI 4CH Smart Module Switch,Motor Controller,DC 12V 24V 32V AC220V,4 Channel Pulse RF433 Relay,For
Aliexpress
$3.98
$5.68
3.3V 5V 12V 24V 4 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay
Aliexpress
29% off
$3.98
$5.68
3.3V 5V 12V 24V 4 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay
Aliexpress
$4.22
GERMA Universal Wireless Remote Control Switch DC 12V 4CH Relay Receiver Module With 4 Channel RF
Aliexpress
$4.22
GERMA Universal Wireless Remote Control Switch DC 12V 4CH Relay Receiver Module With 4 Channel RF
Aliexpress
$2.83
$5.89
5V Relay 1 2 4 Channel For OMRON SSR High Low Level Solid State Relay Module 250V 2A For Arduino
Aliexpress
51% off
$2.83
$5.89
5V Relay 1 2 4 Channel For OMRON SSR High Low Level Solid State Relay Module 250V 2A For Arduino
Aliexpress
$5.39
$6.98
4 Channel Relay Module 5V 12V 24V Board Shield With Optocoupler Isolation Support High And Low Level
Aliexpress
22% off
$5.39
$6.98
4 Channel Relay Module 5V 12V 24V Board Shield With Optocoupler Isolation Support High And Low Level
Aliexpress
$145.75
$161.95
MSD Ignition 4-Channel Relay Module
JEGS High Performance
90-day returns (most items)
10% off
$145.75
$161.95
MSD Ignition 4-Channel Relay Module
JEGS High Performance
$15.71
$23.10
GEYA 2NG2R 4 Channel Relay Module Din Rail Type 2NO 2NC Electronic DPDT Switch 12V 24V Relay Board
Aliexpress
Free shipping
31% off
$15.71
$23.10
GEYA 2NG2R 4 Channel Relay Module Din Rail Type 2NO 2NC Electronic DPDT Switch 12V 24V Relay Board
Aliexpress
$11.54
$18.47
4-Channel DC 12V 30A Relay Module Control Board Optocoupler Isolation High/Low Trigger
Aliexpress
37% off
$11.54
$18.47
4-Channel DC 12V 30A Relay Module Control Board Optocoupler Isolation High/Low Trigger
Aliexpress
$209.99
Chauvet DJ DMX-4 4-Channel DMX Dimmer/Switch Pack 4-Channel Dimmer/Relay Pack For Compatible Lighting Fixtures Without DMX
Sweetwater
$209.99
Chauvet DJ DMX-4 4-Channel DMX Dimmer/Switch Pack 4-Channel Dimmer/Relay Pack For Compatible Lighting Fixtures Without DMX
Sweetwater
$7.39
$8.03
4 8 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
Aliexpress
Free shipping
$7.39
$8.03
4 8 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
Aliexpress
$3.92
4 Channel 5V Relay Shield Module, Four Way Relay Control Board Relay Expansion Board For Arduino UNO
Aliexpress
$3.92
4 Channel 5V Relay Shield Module, Four Way Relay Control Board Relay Expansion Board For Arduino UNO
Aliexpress
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    Shop Relay 4 Channel

    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
    $68.00
    Relay Output Module: 4-pt, 6-240 VAC/6-27 VDC (PN# C0-04TRS)
    Automation Direct
    10
    $68.00
    Relay Output Module: 4-pt, 6-240 VAC/6-27 VDC (PN# C0-04TRS)
    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
    $9.49
    $13.55
    ESP32 4 Channel AC 220V 30A Relay Development Board Compatible With WIFI Bluetooth Electronic
    Aliexpress
    29% off
    $9.49
    $13.55
    ESP32 4 Channel AC 220V 30A Relay Development Board Compatible With WIFI Bluetooth Electronic
    Aliexpress
    $2.85
    5V 12V 4-Channel Relay Module Shield ARM PIC AVR DSP Electronic 5V 4 Channel Relay.4 Road 5V Relay
    Aliexpress
    $2.85
    5V 12V 4-Channel Relay Module Shield ARM PIC AVR DSP Electronic 5V 4 Channel Relay.4 Road 5V Relay
    Aliexpress
    $3.37
    1PCS 5V 4 Channel Relay Module With Optocoupler Relay Output 4 Way Relay Module For Arduino Relays
    Aliexpress
    $3.37
    1PCS 5V 4 Channel Relay Module With Optocoupler Relay Output 4 Way Relay Module For Arduino Relays
    Aliexpress
    $3.66
    $7.33
    5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
    Aliexpress
    50% off
    $3.66
    $7.33
    5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
    Aliexpress
    $4.56
    1PCS DC 5V 12V 24V 4 Channel Optocoupler Relay 4 Way Relay Module With Optocoupler Output Low/High
    Aliexpress
    Free shipping
    $4.56
    1PCS DC 5V 12V 24V 4 Channel Optocoupler Relay 4 Way Relay Module With Optocoupler Output Low/High
    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
    $2.67
    1/2/4 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
    Aliexpress
    Free shipping
    $2.67
    1/2/4 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
    Aliexpress
    $7.85
    4CH Smart Switch 4 Channel Wifi Relay DC AC 12V 24V 220V Inching Self-Locking Module Work With
    Aliexpress
    $7.85
    4CH Smart Switch 4 Channel Wifi Relay DC AC 12V 24V 220V Inching Self-Locking Module Work With
    Aliexpress
    $241.75
    RIBMW24B-44-BC | Functional Devices | Bacnet MS/TP Network Relay Device, Four Binary Outputs + Override, Four Binary Inputs, 24 Vac/Dc Power Input, 4.
    Building Controls & Solutions
    30-day returns (most items)
    $241.75
    RIBMW24B-44-BC | Functional Devices | Bacnet MS/TP Network Relay Device, Four Binary Outputs + Override, Four Binary Inputs, 24 Vac/Dc Power Input, 4.
    Building Controls & Solutions
    $3.00
    1-5PCS 4 Channel Relay Board AVR 51 PIC 5V 12V 4-Channel Relay Module With Optocoupler Relay 4 Way
    Aliexpress
    Free shipping
    $3.00
    1-5PCS 4 Channel Relay Board AVR 51 PIC 5V 12V 4-Channel Relay Module With Optocoupler Relay 4 Way
    Aliexpress
    $133.00
    Relay Output Module: 4-pt, 6-24 VDC/6-240 VAC (PN# D2-04TRS)
    Automation Direct
    $133.00
    Relay Output Module: 4-pt, 6-24 VDC/6-240 VAC (PN# D2-04TRS)
    Automation Direct
    $0.94
    5V/12V 4-Channel Relay Module Shield ARM PIC AVR DSP Electronic 5V 4 Channel Relay.4 Road 5V Relay
    Aliexpress
    $0.94
    5V/12V 4-Channel Relay Module Shield ARM PIC AVR DSP Electronic 5V 4 Channel Relay.4 Road 5V Relay
    Aliexpress
    $5.60
    $7.78
    Smart Multiple DC 12V 24V 36V 10A 433 Mhz 4CH 4 CH 4 Channel Wireless Relay RF Remote Control Switch
    Aliexpress
    Free shipping
    28% off
    $5.60
    $7.78
    Smart Multiple DC 12V 24V 36V 10A 433 Mhz 4CH 4 CH 4 Channel Wireless Relay RF Remote Control Switch
    Aliexpress
    $4.03
    $5.10
    Diymore RF Smart Switch 4 Channel DC 7-32V Relay Module Wireless Wifi Delay Relay Switch App Remote
    Aliexpress
    20% off
    $4.03
    $5.10
    Diymore RF Smart Switch 4 Channel DC 7-32V Relay Module Wireless Wifi Delay Relay Switch App Remote
    Aliexpress
    $1.93
    4 Channel Relay Module 4-Channel Relay Control Board With Optocoupler. Relay Output 4 Way Relay
    Aliexpress
    $1.93
    4 Channel Relay Module 4-Channel Relay Control Board With Optocoupler. Relay Output 4 Way Relay
    Aliexpress