Shop Relay 2 Channel

Sponsored
About our ads
$62.00
Relay Output Module: 2-pt, 240 VAC/30 VDC (PN# GS30A-02TRC)
Automation Direct
$62.00
Relay Output Module: 2-pt, 240 VAC/30 VDC (PN# GS30A-02TRC)
Automation Direct
$208.00
Safety Relay: two-hand control, 24 VDC (PN# BG5933-22-61-24)
Automation Direct
10
$208.00
Safety Relay: two-hand control, 24 VDC (PN# BG5933-22-61-24)
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
$2.66
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
Amazon.com
$2.66
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
Amazon.com
$248.00
Relay/analog Combo Module: 3-pt in, 2-pt out, 2-ch in, 1-ch out (PN# ACN-EIO)
Automation Direct
$248.00
Relay/analog Combo Module: 3-pt in, 2-pt out, 2-ch in, 1-ch out (PN# ACN-EIO)
Automation Direct
$451.00
Safety Relay: two-hand control, 24 VAC/VDC (PN# SCR2H-180030)
Automation Direct
$451.00
Safety Relay: two-hand control, 24 VAC/VDC (PN# SCR2H-180030)
Automation Direct
$5.99
NOYITO 9V 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Relay Load AC 0-250V 10A DC 0-30V 10A Circuit Switch Board
Amazon.com
8
$5.99
NOYITO 9V 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Relay Load AC 0-250V 10A DC 0-30V 10A Circuit Switch Board
Amazon.com
$2.66
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
$2.66
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
$150.99
Siemens IEC Control Relay: DIN-Rail & Surface Relay Mounting, 125V DC Coil Volt, 2NO/2NC, 10 A Model: 3RH21221BG40
Grainger
$150.99
Siemens IEC Control Relay: DIN-Rail & Surface Relay Mounting, 125V DC Coil Volt, 2NO/2NC, 10 A Model: 3RH21221BG40
Grainger
$10.99
Relay Module, 2 Channel Button Self Locking Interlock, High Low Level Trigger With Switch Light (24V)
Amazon.com
$10.99
Relay Module, 2 Channel Button Self Locking Interlock, High Low Level Trigger With Switch Light (24V)
Amazon.com
$12.97
JESSINIE 5V 2 Channel Solid State Relay Module, Low Level Trigger, 5A DC Control For Arduino Raspberry Pi
Amazon.com
2
$12.97
JESSINIE 5V 2 Channel Solid State Relay Module, Low Level Trigger, 5A DC Control For Arduino Raspberry Pi
Amazon.com
$13.99
DIANN 2Pcs 5V 30A 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load For PLC Automation Equipment Control Industrial
Amazon.com
$13.99
DIANN 2Pcs 5V 30A 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load For PLC Automation Equipment Control Industrial
Amazon.com
$13.60
GAEYAELE 2 Channel Relay Module AC/DC 24V Relay Interface
Amazon.com
154
$13.60
GAEYAELE 2 Channel Relay Module AC/DC 24V Relay Interface
Amazon.com
$43.51
XLUYCELH 3.3V 3V 2 Channel Relay Module With Optocoupler Relay Output 2 Way Relay Module For
Amazon.com
Free shipping
$43.51
XLUYCELH 3.3V 3V 2 Channel Relay Module With Optocoupler Relay Output 2 Way Relay Module For
Amazon.com
$126.77
Resideo RA832A1066 2 Zone 120V Switching Relay W/ DPST Switching, RA832A1066 | Supplyhouse.Com
SupplyHouse.com
50
$126.77
Resideo RA832A1066 2 Zone 120V Switching Relay W/ DPST Switching, RA832A1066 | Supplyhouse.Com
SupplyHouse.com
$6.50
Shillehtek 2-Channel 24V Relay Module - High & Low Level Trigger Relay Controller Board For Arduino, Raspberry Pi, PLC, Home Automation, Industrial
Amazon.com
$6.50
Shillehtek 2-Channel 24V Relay Module - High & Low Level Trigger Relay Controller Board For Arduino, Raspberry Pi, PLC, Home Automation, Industrial
Amazon.com
$4.99
Yetaida 2 Channel DC 5V Relay Module With Optocoupler Control Board And Indicator Light, Development Board Accessories Relays, Suport High Low Level
Amazon.com
$4.99
Yetaida 2 Channel DC 5V Relay Module With Optocoupler Control Board And Indicator Light, Development Board Accessories Relays, Suport High Low Level
Amazon.com
$7.00
2 Channel 2CH DC 5V 12V 24V IR Infrared Remote Control Switch High-Current Relay Module Board LED Status Indicator 5V -24V (5V)
Amazon.com
1
$7.00
2 Channel 2CH DC 5V 12V 24V IR Infrared Remote Control Switch High-Current Relay Module Board LED Status Indicator 5V -24V (5V)
Amazon.com
$45.47
RIB Enclosed Pre-Wired Relay: 20 A Rating, 24V AC/DC/120V AC, SPST-NO, 0.50 in NPT Model: RIB2401SB
Grainger
$45.47
RIB Enclosed Pre-Wired Relay: 20 A Rating, 24V AC/DC/120V AC, SPST-NO, 0.50 in NPT Model: RIB2401SB
Grainger
$111.58
RIB Enclosed Pre-Wired Relay: 20 A Rating, SPDT, 0.50 in NPT Model: ESR2402B
Grainger
$111.58
RIB Enclosed Pre-Wired Relay: 20 A Rating, SPDT, 0.50 in NPT Model: ESR2402B
Grainger
$17.02
Relay Module 30A High Power 2-Channel AC100V-250V DC 5V High Current High Low Level Trigger Switch Module
Amazon.com
$17.02
Relay Module 30A High Power 2-Channel AC100V-250V DC 5V High Current High Low Level Trigger Switch Module
Amazon.com
$233.00
Allen-Bradley 440R-D22S2 Guardmaster Dual Input Safety Relay, A
PLCHardware.com
$233.00
Allen-Bradley 440R-D22S2 Guardmaster Dual Input Safety Relay, A
PLCHardware.com
$12.63
Fafeicy 2-Channel Serial Port Relay Module, RS232 UART Protocol DB9 Interface, Manual Operation, Relay Switch Board, Copper Contacts, Normally Open
Amazon.com
$12.63
Fafeicy 2-Channel Serial Port Relay Module, RS232 UART Protocol DB9 Interface, Manual Operation, Relay Switch Board, Copper Contacts, Normally Open
Amazon.com
$91.75
MSD Relay Module 2-Channel With 40 Amp Relay
CJ Pony Parts
$91.75
MSD Relay Module 2-Channel With 40 Amp Relay
CJ Pony Parts
$150.99
Siemens IEC Control Relay: DIN-Rail & Surface Relay Mounting, 110V DC Coil Volt, 2NO/2NC, 10 A Model: 3RH21221BF40
Grainger
$150.99
Siemens IEC Control Relay: DIN-Rail & Surface Relay Mounting, 110V DC Coil Volt, 2NO/2NC, 10 A Model: 3RH21221BF40
Grainger
$0.67
$0.93
1Pcs 5V 12V 24V 2 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay
Aliexpress
27% off
$0.67
$0.93
1Pcs 5V 12V 24V 2 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay
Aliexpress
$100.12
DIN-Rail 2-Channel Wifi Relay Switchboxd DC DIN By Blebox
Wired4Signs
$100.12
DIN-Rail 2-Channel Wifi Relay Switchboxd DC DIN By Blebox
Wired4Signs
$85.99
Shelly Wave Pro 2 US LR | Z-Wave Long Range 2-Channel Smart Relay Switch With Dry Contacts | DIN-Rail | Home Automation | High Compatibility | Easy
Amazon.com
Free shipping
$85.99
Shelly Wave Pro 2 US LR | Z-Wave Long Range 2-Channel Smart Relay Switch With Dry Contacts | DIN-Rail | Home Automation | High Compatibility | Easy
Amazon.com
$2.34
$2.39
5V 2 Channel Relay Module High And Low Level Trigger With Optocoupler Isolation Relay Module For
Aliexpress
$2.34
$2.39
5V 2 Channel Relay Module High And Low Level Trigger With Optocoupler Isolation Relay Module For
Aliexpress
$21.99
Solidremote 12V - 24V Secure Wireless RF Remote Control Relay Switch Universal 2-Channel Receiver With 2 Transmitters For Garage Door Openers, LED
Amazon.com
1K+
$21.99
Solidremote 12V - 24V Secure Wireless RF Remote Control Relay Switch Universal 2-Channel Receiver With 2 Transmitters For Garage Door Openers, LED
Amazon.com
$0.77
2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way
Aliexpress
$0.77
2 Channel Relay Module 5V 12V 24V High And Low Level Trigger Relay Control With Optocoupler Two Way
Aliexpress
$11.99
Geekstory 5PCS 2 Channel 5V Relay Module 10A With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP
Amazon.com
27
$11.99
Geekstory 5PCS 2 Channel 5V Relay Module 10A With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP
Amazon.com
$16.44
$23.49
Shelly 2PM Gen3 | Wifi 2-Channel Smart Relay Switch With Power Metering | Home Automation | Roller Shutters, Blinds, Gates Control | Remote Control |
Amazon.com
30% off
$16.44
$23.49
Shelly 2PM Gen3 | Wifi 2-Channel Smart Relay Switch With Power Metering | Home Automation | Roller Shutters, Blinds, Gates Control | Remote Control |
Amazon.com
$202.05
Taco SR502-5 2 Zone Next Generation Switching Relay W/ Priority, Expandable | Supplyhouse.Com
SupplyHouse.com
6
$202.05
Taco SR502-5 2 Zone Next Generation Switching Relay W/ Priority, Expandable | Supplyhouse.Com
SupplyHouse.com
$13.99
Microtivity 2 Channel SSR Solid State Relay Low Trigger 5A 5V DC-DC For Uno R3
Amazon.com
$13.99
Microtivity 2 Channel SSR Solid State Relay Low Trigger 5A 5V DC-DC For Uno R3
Amazon.com
$5.73
$5.87
Two 2 Channel DC 5V 12V 24V Relay Module 30A Optocoupler Isolation Module High And Low Level Trigger
Aliexpress
$5.73
$5.87
Two 2 Channel DC 5V 12V 24V Relay Module 30A Optocoupler Isolation Module High And Low Level Trigger
Aliexpress
How to Interface 2 Channel Relay Module with Arduino UNO
How to Interface 2 Channel Relay Module with Arduino UNO
Mar 10, 2021
circuits-diy.com
ESP32 Relay Module - Control AC Appliances (Web Server) | Random Nerd Tutorials
ESP32 Relay Module - Control AC Appliances (Web Server) | Rando…
Dec 18, 2019
randomnerdtutorials.com
Step-by-Step Guide: Interface 2 Channel Relay Channels With Arduino
Step-by-Step Guide: Interface 2 Channel Relay Channels With Ard…
1.1K viewsJul 26, 2023
instructables.com
Arduino Relay 2ช่อง 5V Relay Module Active LOW 5V 2 Channel isolation control 250V/10A
Arduino Relay 2ช่อง 5V Relay Module Active LOW 5V 2 Channel …
Sep 13, 2021
cybertice.com
Electronic Basics #32: Relays & Optocouplers
8:21
Electronic Basics #32: Relays & Optocouplers
534.5K viewsOct 29, 2017
YouTubeGreatScott!
What is Safety Relay Siemens ? || 3TK2821-1CB30 || Easy Explained
4:48
What is Safety Relay Siemens ? || 3TK2821-1CB30 || Easy Explained
115.3K viewsJun 5, 2021
YouTubePLC Programming Tutorials Tips and Tricks
How to: Home Automation - connect 8 channel relay + Raspberry Pi
3:44
How to: Home Automation - connect 8 channel relay + Raspberry Pi
422.4K viewsAug 25, 2013
YouTubeskiwithpete
How to connect a 2 Way Relais Module with the arduino
2:45
How to connect a 2 Way Relais Module with the arduino
41.3K viewsApr 17, 2019
YouTubeElektrotechnik in 5 Minuten by Alexander Stöger
How to test a relay and the relay circuit
12:36
How to test a relay and the relay circuit
728.9K viewsMar 21, 2019
YouTube⚙️Homie Hektor⚙️
433MHz 12V 4CH Channel Relay RF Wireless Remote Control Switch KR1204 FOB RJT186
17:46
433MHz 12V 4CH Channel Relay RF Wireless Remote Control Switch …
73.6K viewsMar 24, 2020
YouTubeRobojax
Configurable Active High or Low Relay Module, with opto-isolated input
1:57
Configurable Active High or Low Relay Module, with opto-isolated i…
64.6K viewsAug 10, 2019
YouTubeCytron Technologies
How To Replace A Car Relay-DIY Automotive Maintenance
2:14
How To Replace A Car Relay-DIY Automotive Maintenance
514.7K viewsAug 16, 2015
YouTubeHelpful DIY
Lesson 52: Controlling DC Motor using two relays | Arduino Step By Step Course - RJT512
21:57
Lesson 52: Controlling DC Motor using two relays | Arduino Step B…
29.7K viewsDec 25, 2021
YouTubeRobojax
Safety Relay Emergency Stop Dual Channel
2:02
Safety Relay Emergency Stop Dual Channel
16K viewsApr 14, 2023
YouTubeJr Electric School
EASILY Wire Your Car Starter AND Neutral Safety Switch
11:55
EASILY Wire Your Car Starter AND Neutral Safety Switch
652.3K viewsFeb 5, 2022
YouTubeWiring Rescue
Safety Relays: Part 1
4:50
Safety Relays: Part 1
59.5K viewsOct 22, 2018
YouTubeRSP Supply
Control Relays (Full lecture)
26:27
Control Relays (Full lecture)
179.2K viewsMar 13, 2015
YouTubeJim Pytel
DIY Smart Switch - Part 1 how to use a relay
8:02
DIY Smart Switch - Part 1 how to use a relay
652.3K viewsMay 15, 2017
YouTubebyte sized engineering
How To Wire A Relay - Quick Tip
2:40
How To Wire A Relay - Quick Tip
618.1K viewsDec 15, 2018
YouTubeHotRodHippie
Everything you need to know about RELAYS
22:48
Everything you need to know about RELAYS
112.8K viewsDec 10, 2017
YouTubePlayful Technology
How To Wire An Automotive Relay
6:12
How To Wire An Automotive Relay
353.7K viewsJun 10, 2020
YouTubeHolley
How to use 4 channel Arduino Relay Shield RJT36
11:00
How to use 4 channel Arduino Relay Shield RJT36
34.9K viewsDec 28, 2017
YouTubeRobojax
HOW TO INTERFACE 5V 4 CHANNEL RELAY MODULE WITH ARDUINO
5:11
HOW TO INTERFACE 5V 4 CHANNEL RELAY MODULE WITH …
117.3K viewsAug 6, 2018
YouTubeMYTECTUTOR
How to use an Arduino Relay Module
4:41
How to use an Arduino Relay Module
175.2K viewsFeb 4, 2018
YouTubeTinker & Build
Using 5V 1 channel relay module for Arduino
4:56
Using 5V 1 channel relay module for Arduino
306.2K viewsApr 2, 2017
YouTubeRobojax
IC Station ESP8266 based 5V Dual Relay WiFi Module
7:12
IC Station ESP8266 based 5V Dual Relay WiFi Module
163.4K viewsMar 17, 2018
YouTubeRC Tractor Guy
ATtiny85 Relay Control with IR Remote - ATtiny85 IR Receiver and 2 Channel Relay
6:08
ATtiny85 Relay Control with IR Remote - ATtiny85 IR Receiver an…
21.5K viewsFeb 12, 2021
YouTubeAhmad Logs
12V DC 2 channel remote relay kaige instructions
1:59
12V DC 2 channel remote relay kaige instructions
35.8K viewsNov 4, 2017
YouTubeIvan Strapko
How to use Relays to Control Linear Actuators
3:03
How to use Relays to Control Linear Actuators
141.5K viewsAug 21, 2015
YouTubeProgressive Automations
See more

Shop Relay 2 Channel

Sponsored
About our ads
$62.00
Relay Output Module: 2-pt, 240 VAC/30 VDC (PN# GS30A-02TRC)
Automation Direct
$62.00
Relay Output Module: 2-pt, 240 VAC/30 VDC (PN# GS30A-02TRC)
Automation Direct
$208.00
Safety Relay: two-hand control, 24 VDC (PN# BG5933-22-61-24)
Automation Direct
10
$208.00
Safety Relay: two-hand control, 24 VDC (PN# BG5933-22-61-24)
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
$2.66
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
Amazon.com
$2.66
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
Amazon.com
$248.00
Relay/analog Combo Module: 3-pt in, 2-pt out, 2-ch in, 1-ch out (PN# ACN-EIO)
Automation Direct
$248.00
Relay/analog Combo Module: 3-pt in, 2-pt out, 2-ch in, 1-ch out (PN# ACN-EIO)
Automation Direct
$451.00
Safety Relay: two-hand control, 24 VAC/VDC (PN# SCR2H-180030)
Automation Direct
$451.00
Safety Relay: two-hand control, 24 VAC/VDC (PN# SCR2H-180030)
Automation Direct
$5.99
NOYITO 9V 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Relay Load AC 0-250V 10A DC 0-30V 10A Circuit Switch Board
Amazon.com
8
$5.99
NOYITO 9V 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Relay Load AC 0-250V 10A DC 0-30V 10A Circuit Switch Board
Amazon.com
$2.66
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
$2.66
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
Amazon.com
$150.99
Siemens IEC Control Relay: DIN-Rail & Surface Relay Mounting, 125V DC Coil Volt, 2NO/2NC, 10 A Model: 3RH21221BG40
Grainger
$150.99
Siemens IEC Control Relay: DIN-Rail & Surface Relay Mounting, 125V DC Coil Volt, 2NO/2NC, 10 A Model: 3RH21221BG40
Grainger
$10.99
Relay Module, 2 Channel Button Self Locking Interlock, High Low Level Trigger With Switch Light (24V)
Amazon.com
$10.99
Relay Module, 2 Channel Button Self Locking Interlock, High Low Level Trigger With Switch Light (24V)
Amazon.com
$12.97
JESSINIE 5V 2 Channel Solid State Relay Module, Low Level Trigger, 5A DC Control For Arduino Raspberry Pi
Amazon.com
2
$12.97
JESSINIE 5V 2 Channel Solid State Relay Module, Low Level Trigger, 5A DC Control For Arduino Raspberry Pi
Amazon.com
$13.99
DIANN 2Pcs 5V 30A 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load For PLC Automation Equipment Control Industrial
Amazon.com
$13.99
DIANN 2Pcs 5V 30A 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load For PLC Automation Equipment Control Industrial
Amazon.com
$13.60
GAEYAELE 2 Channel Relay Module AC/DC 24V Relay Interface
Amazon.com
154
$13.60
GAEYAELE 2 Channel Relay Module AC/DC 24V Relay Interface
Amazon.com
$43.51
XLUYCELH 3.3V 3V 2 Channel Relay Module With Optocoupler Relay Output 2 Way Relay Module For
Amazon.com
Free shipping
$43.51
XLUYCELH 3.3V 3V 2 Channel Relay Module With Optocoupler Relay Output 2 Way Relay Module For
Amazon.com
$126.77
Resideo RA832A1066 2 Zone 120V Switching Relay W/ DPST Switching, RA832A1066 | Supplyhouse.Com
SupplyHouse.com
50
$126.77
Resideo RA832A1066 2 Zone 120V Switching Relay W/ DPST Switching, RA832A1066 | Supplyhouse.Com
SupplyHouse.com
$6.50
Shillehtek 2-Channel 24V Relay Module - High & Low Level Trigger Relay Controller Board For Arduino, Raspberry Pi, PLC, Home Automation, Industrial
Amazon.com
$6.50
Shillehtek 2-Channel 24V Relay Module - High & Low Level Trigger Relay Controller Board For Arduino, Raspberry Pi, PLC, Home Automation, Industrial
Amazon.com
$4.99
Yetaida 2 Channel DC 5V Relay Module With Optocoupler Control Board And Indicator Light, Development Board Accessories Relays, Suport High Low Level
Amazon.com
$4.99
Yetaida 2 Channel DC 5V Relay Module With Optocoupler Control Board And Indicator Light, Development Board Accessories Relays, Suport High Low Level
Amazon.com
$7.00
2 Channel 2CH DC 5V 12V 24V IR Infrared Remote Control Switch High-Current Relay Module Board LED Status Indicator 5V -24V (5V)
Amazon.com
1
$7.00
2 Channel 2CH DC 5V 12V 24V IR Infrared Remote Control Switch High-Current Relay Module Board LED Status Indicator 5V -24V (5V)
Amazon.com