Shop Single Channel Relay Module

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$298.00
Relay Output Module: 8-pt, 12-24 VDC/12-240 VAC (PN# F3-08TRS-1)
Automation Direct
$298.00
Relay Output Module: 8-pt, 12-24 VDC/12-240 VAC (PN# F3-08TRS-1)
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/analog Combo Module: 4-pt in, 2-pt out, 1-ch in, 1-ch out (PN# 14741859)
Automation Direct
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
75
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
368
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
$91.00
Relay/analog Combo Module: 3-pt out, 1-ch in, 1-ch out (PN# CFW320-IOAR)
Automation Direct
$91.00
Relay/analog Combo Module: 3-pt out, 1-ch in, 1-ch out (PN# CFW320-IOAR)
Automation Direct
$8.48
Solid State Relay Module, 1 Channel DC 5V/12V 2A SSR Module Board With Low Level Trigger(5V)
Amazon.com
$8.48
Solid State Relay Module, 1 Channel DC 5V/12V 2A SSR Module Board With Low Level Trigger(5V)
Amazon.com
$82.00
Relay Output Module: 8-pt, 12-48 VDC/24-240 VAC (PN# BX-08TRZ)
Automation Direct
$82.00
Relay Output Module: 8-pt, 12-48 VDC/24-240 VAC (PN# BX-08TRZ)
Automation Direct
$28.49
Shelly 1 Mini Gen3 | Wifi Smart Switch Relay 1 Channel 8A | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | Ios Android
Amazon.com
$28.49
Shelly 1 Mini Gen3 | Wifi Smart Switch Relay 1 Channel 8A | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | Ios Android
Amazon.com
$7.19
$7.99
EC Buying 2Pcs 24V Relay Module 1-Channel 30A With Optocoupler Isolation Relay Module High And Low Level Trigger
Amazon.com
10% off
$7.19
$7.99
EC Buying 2Pcs 24V Relay Module 1-Channel 30A With Optocoupler Isolation Relay Module High And Low Level Trigger
Amazon.com
$90.00
Relay Output Module: 5-pt, 12-48 VDC/24-240 VAC/100-125 VDC (PN# BX-05TRS-1)
Automation Direct
$90.00
Relay Output Module: 5-pt, 12-48 VDC/24-240 VAC/100-125 VDC (PN# BX-05TRS-1)
Automation Direct
$6.97
JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
Amazon.com
$6.97
JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
Amazon.com
$8.59
JQC-3FF-S-Z Relay 5V Low Level Trigger One 1 Channel Relay Module Interface Board Shield For PIC AVR DSP ARM MCU Arduino
Amazon.com
$8.59
JQC-3FF-S-Z Relay 5V Low Level Trigger One 1 Channel Relay Module Interface Board Shield For PIC AVR DSP ARM MCU Arduino
Amazon.com
$9.50
Single-Channel Relay Module For Raspberry Pi Zero/2B/3B/4B, STM32, ESP32, Arduino - 3.3V/5V Relay Expansion Board With Optocoupler Isolation & LED
Amazon.com
4
$9.50
Single-Channel Relay Module For Raspberry Pi Zero/2B/3B/4B, STM32, ESP32, Arduino - 3.3V/5V Relay Expansion Board With Optocoupler Isolation & LED
Amazon.com
$7.29
MECCANIXITY 1 Pcs DC 12V 1 Channel Relay Module Switch Board Shield 10A High Or Low Level Trigger For Electronics Industrial Home Automation
Amazon.com
$7.29
MECCANIXITY 1 Pcs DC 12V 1 Channel Relay Module Switch Board Shield 10A High Or Low Level Trigger For Electronics Industrial Home Automation
Amazon.com
$2.10
1Set Wemos D1 Mini Relay Shield One Channel Wemos D1 Mini Relay Module For Arduino ESP8266 Development Board
Amazon.com
$2.10
1Set Wemos D1 Mini Relay Shield One Channel Wemos D1 Mini Relay Module For Arduino ESP8266 Development Board
Amazon.com
$184.00
Relay Output Module: 12-pt, 6-24 VDC/6-240 VAC (PN# D2-12TR)
Automation Direct
$184.00
Relay Output Module: 12-pt, 6-24 VDC/6-240 VAC (PN# D2-12TR)
Automation Direct
$12.45
$14.39
RS485 12V 1-Channel Relay Module For PLC Controller Industrial Automation Systems
Amazon.com
13% off
$12.45
$14.39
RS485 12V 1-Channel Relay Module For PLC Controller Industrial Automation Systems
Amazon.com
$323.00
Relay Output Module: 8-pt, 12-24 VDC/12-240 VAC (PN# F4-08TRS-1)
Automation Direct
$323.00
Relay Output Module: 8-pt, 12-24 VDC/12-240 VAC (PN# F4-08TRS-1)
Automation Direct
$130.00
Relay Output Module: 8-pt, 6-24 VDC/6-240 VAC (PN# D0-08TR)
Automation Direct
$130.00
Relay Output Module: 8-pt, 6-24 VDC/6-240 VAC (PN# D0-08TR)
Automation Direct
$102.00
Relay Output Module: 8-pt, 125 VDC/250 VAC (PN# XBE-RY08A)
Automation Direct
$102.00
Relay Output Module: 8-pt, 125 VDC/250 VAC (PN# XBE-RY08A)
Automation Direct
$19.99
Mioyoow ESP32-C3 Single-Channel Fidelity Relay Switch Development Board ESP-C3-12F Remote Switch Control Module Supporting AC 90V-250V & DC 7V-12V
Amazon.com
$19.99
Mioyoow ESP32-C3 Single-Channel Fidelity Relay Switch Development Board ESP-C3-12F Remote Switch Control Module Supporting AC 90V-250V & DC 7V-12V
Amazon.com
$9.99
NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger With Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 24V, Blue)
Amazon.com
$9.99
NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger With Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 24V, Blue)
Amazon.com
$260.00
Relay Output Module: 8-pt, 6-24 VDC/6-240 VAC (PN# D4-08TR)
Automation Direct
$260.00
Relay Output Module: 8-pt, 6-24 VDC/6-240 VAC (PN# D4-08TR)
Automation Direct
$7.99
DIANN 2Pcs 5V 30A 1-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load For PLC Automation Equipment Control Industrial
Amazon.com
$7.99
DIANN 2Pcs 5V 30A 1-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load For PLC Automation Equipment Control Industrial
Amazon.com
$98.00
Relay Output Module: 12-pt, 12-48 VDC/24-240 VAC (PN# BX-12TR)
Automation Direct
$98.00
Relay Output Module: 12-pt, 12-48 VDC/24-240 VAC (PN# BX-12TR)
Automation Direct
$111.00
Relay Output Module: 8-pt, 6-24 VDC/6-240 VAC (PN# D2-08TR)
Automation Direct
$111.00
Relay Output Module: 8-pt, 6-24 VDC/6-240 VAC (PN# D2-08TR)
Automation Direct
$5.00
5V 12V 1 Channel IR Remote Control Relay Module Power Switch Self Locking (12V)
Amazon.com
$5.00
5V 12V 1 Channel IR Remote Control Relay Module Power Switch Self Locking (12V)
Amazon.com
$149.00
Relay Output Module: 8-pt, 12-24 VDC/12-240 VAC (PN# F2-08TR)
Automation Direct
$149.00
Relay Output Module: 8-pt, 12-24 VDC/12-240 VAC (PN# F2-08TR)
Automation Direct
$9.99
Hibctr 4 Packs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger.
Amazon.com
$9.99
Hibctr 4 Packs 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger.
Amazon.com
$1.51
1-5Pcs DC 5V 9V 12V 24V 1 Channel Relay Module With Optocoupler Shield Board High Low Level Trigger
Aliexpress
$1.51
1-5Pcs DC 5V 9V 12V 24V 1 Channel Relay Module With Optocoupler Shield Board High Low Level Trigger
Aliexpress
$7.89
1Pcs 1 Channel 3V Relay Module 3.3V Low Level Shooting With Lamp
Walmart
Free shipping
$7.89
1Pcs 1 Channel 3V Relay Module 3.3V Low Level Shooting With Lamp
Walmart
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    Shop Single Channel Relay Module

    Sponsored
    About our ads
    $298.00
    Relay Output Module: 8-pt, 12-24 VDC/12-240 VAC (PN# F3-08TRS-1)
    Automation Direct
    $298.00
    Relay Output Module: 8-pt, 12-24 VDC/12-240 VAC (PN# F3-08TRS-1)
    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/analog Combo Module: 4-pt in, 2-pt out, 1-ch in, 1-ch out (PN# 14741859)
    Automation Direct
    $15.99
    Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
    Amazon.com
    75
    $15.99
    Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
    Amazon.com
    $5.89
    Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
    Amazon.com
    368
    $5.89
    Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
    Amazon.com
    $91.00
    Relay/analog Combo Module: 3-pt out, 1-ch in, 1-ch out (PN# CFW320-IOAR)
    Automation Direct
    $91.00
    Relay/analog Combo Module: 3-pt out, 1-ch in, 1-ch out (PN# CFW320-IOAR)
    Automation Direct
    $8.48
    Solid State Relay Module, 1 Channel DC 5V/12V 2A SSR Module Board With Low Level Trigger(5V)
    Amazon.com
    $8.48
    Solid State Relay Module, 1 Channel DC 5V/12V 2A SSR Module Board With Low Level Trigger(5V)
    Amazon.com
    $82.00
    Relay Output Module: 8-pt, 12-48 VDC/24-240 VAC (PN# BX-08TRZ)
    Automation Direct
    $82.00
    Relay Output Module: 8-pt, 12-48 VDC/24-240 VAC (PN# BX-08TRZ)
    Automation Direct
    $28.49
    Shelly 1 Mini Gen3 | Wifi Smart Switch Relay 1 Channel 8A | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | Ios Android
    Amazon.com
    $28.49
    Shelly 1 Mini Gen3 | Wifi Smart Switch Relay 1 Channel 8A | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | Ios Android
    Amazon.com
    $7.19
    $7.99
    EC Buying 2Pcs 24V Relay Module 1-Channel 30A With Optocoupler Isolation Relay Module High And Low Level Trigger
    Amazon.com
    10% off
    $7.19
    $7.99
    EC Buying 2Pcs 24V Relay Module 1-Channel 30A With Optocoupler Isolation Relay Module High And Low Level Trigger
    Amazon.com
    $90.00
    Relay Output Module: 5-pt, 12-48 VDC/24-240 VAC/100-125 VDC (PN# BX-05TRS-1)
    Automation Direct
    $90.00
    Relay Output Module: 5-pt, 12-48 VDC/24-240 VAC/100-125 VDC (PN# BX-05TRS-1)
    Automation Direct
    $6.97
    JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
    Amazon.com
    $6.97
    JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
    Amazon.com
    $8.59
    JQC-3FF-S-Z Relay 5V Low Level Trigger One 1 Channel Relay Module Interface Board Shield For PIC AVR DSP ARM MCU Arduino
    Amazon.com
    $8.59
    JQC-3FF-S-Z Relay 5V Low Level Trigger One 1 Channel Relay Module Interface Board Shield For PIC AVR DSP ARM MCU Arduino
    Amazon.com
    $9.50
    Single-Channel Relay Module For Raspberry Pi Zero/2B/3B/4B, STM32, ESP32, Arduino - 3.3V/5V Relay Expansion Board With Optocoupler Isolation & LED
    Amazon.com
    4
    $9.50
    Single-Channel Relay Module For Raspberry Pi Zero/2B/3B/4B, STM32, ESP32, Arduino - 3.3V/5V Relay Expansion Board With Optocoupler Isolation & LED
    Amazon.com
    $7.29
    MECCANIXITY 1 Pcs DC 12V 1 Channel Relay Module Switch Board Shield 10A High Or Low Level Trigger For Electronics Industrial Home Automation
    Amazon.com
    $7.29
    MECCANIXITY 1 Pcs DC 12V 1 Channel Relay Module Switch Board Shield 10A High Or Low Level Trigger For Electronics Industrial Home Automation
    Amazon.com
    $2.10
    1Set Wemos D1 Mini Relay Shield One Channel Wemos D1 Mini Relay Module For Arduino ESP8266 Development Board
    Amazon.com
    $2.10
    1Set Wemos D1 Mini Relay Shield One Channel Wemos D1 Mini Relay Module For Arduino ESP8266 Development Board
    Amazon.com
    $184.00
    Relay Output Module: 12-pt, 6-24 VDC/6-240 VAC (PN# D2-12TR)
    Automation Direct
    $184.00
    Relay Output Module: 12-pt, 6-24 VDC/6-240 VAC (PN# D2-12TR)
    Automation Direct
    $12.45
    $14.39
    RS485 12V 1-Channel Relay Module For PLC Controller Industrial Automation Systems
    Amazon.com
    13% off
    $12.45
    $14.39
    RS485 12V 1-Channel Relay Module For PLC Controller Industrial Automation Systems
    Amazon.com
    $323.00
    Relay Output Module: 8-pt, 12-24 VDC/12-240 VAC (PN# F4-08TRS-1)
    Automation Direct
    $323.00
    Relay Output Module: 8-pt, 12-24 VDC/12-240 VAC (PN# F4-08TRS-1)
    Automation Direct