Shop Relay 4 Channel

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$11.99
4 Channel Relay Module - Progressive Automations
Progressive Automations
$11.99
4 Channel Relay Module - Progressive Automations
Progressive Automations
$15.55
4 Channel Relay Module DC 12V 30A Relay Module With Optocoupler Isolation
Amazon.com
$15.55
4 Channel Relay Module DC 12V 30A Relay Module With Optocoupler Isolation
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
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
2
$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
81
$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
81
$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
87
$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
87
$8.99
Solid State Relay Module 5V 4 Channel High Level Trigger With Fuse Mini DIY Relay For Industrial Electronic (5V 4 Channel)
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Solid State Relay Module 5V 4 Channel High Level Trigger With Fuse Mini DIY Relay For Industrial Electronic (5V 4 Channel)
Amazon.com
$6.99
NOYITO 4-Channel Solid State Relay Module High-Level Trigger DC Control AC Load AC 240V 2A For PLC Automation Equipment Control, Industrial Control,
Amazon.com
$6.99
NOYITO 4-Channel Solid State Relay Module High-Level Trigger DC Control AC Load AC 240V 2A For PLC Automation Equipment Control, Industrial Control,
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
465
$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
465
$13.99
NOYITO 4-Channel 5V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug And Play Suitable For PC Smart Controller
Amazon.com
45
$13.99
NOYITO 4-Channel 5V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug And Play Suitable For PC Smart Controller
Amazon.com
45
$18.99
KNACRO 4-Channel DC 5V Relay Module High-Low Level Triggering Optocoupler Isolation Load 30A DC 30V AC 250V For PLC Automation Control, Industrial
Amazon.com
$18.99
KNACRO 4-Channel DC 5V Relay Module High-Low Level Triggering Optocoupler Isolation Load 30A DC 30V AC 250V For PLC Automation Control, Industrial
Amazon.com
$12.87
12V 4 Channel USB Relay Module Programmable Computer Control Switch For Smart Home PC Intelligent Control
Amazon.com
$12.87
12V 4 Channel USB Relay Module Programmable Computer Control Switch For Smart Home PC Intelligent Control
Amazon.com
$16.98
Relay Module, 4 Channel Flip-Flop DC 12V Bistable Self-Locking Relay Module Low Pulse Relay 6-24VDC For Automotive Electronics, Motor, LED
Amazon.com
2
$16.98
Relay Module, 4 Channel Flip-Flop DC 12V Bistable Self-Locking Relay Module Low Pulse Relay 6-24VDC For Automotive Electronics, Motor, LED
Amazon.com
2
$9.00
4 Channel Relay Module Switch Module ESP-8266 (12V)
Amazon.com
$9.00
4 Channel Relay Module Switch Module ESP-8266 (12V)
Amazon.com
$7.99
Diitao 2PCS 12V 4 Channel Solid State Relay Module High Level Low Level Triggering Relay Module For Industrial Control Smart Control Automation
Amazon.com
19
$7.99
Diitao 2PCS 12V 4 Channel Solid State Relay Module High Level Low Level Triggering Relay Module For Industrial Control Smart Control Automation
Amazon.com
19
$17.99
Newgoal 4 Channel Smart Switch, Momentan/Locking Wifi Relay, Ewelink App Bluetooth Control Switch, DIY Smart Home, Compatible With Alexa Google Home
Amazon.com
436
$17.99
Newgoal 4 Channel Smart Switch, Momentan/Locking Wifi Relay, Ewelink App Bluetooth Control Switch, DIY Smart Home, Compatible With Alexa Google Home
Amazon.com
436
$18.99
Jane Eyre Wifi Relay Module 4 Channel Smart Switch Momentary/Self-Locking/Lock Switching For Tuya/Smart Life APP,DIY Garage Door, Compatible With
Amazon.com
244
$18.99
Jane Eyre Wifi Relay Module 4 Channel Smart Switch Momentary/Self-Locking/Lock Switching For Tuya/Smart Life APP,DIY Garage Door, Compatible With
Amazon.com
244
$137.49
Pknight 4-Channel RDM/DMX Dimmer/Switch/Relay Pack, No Dummy Load Required, Flicker-Free LED Control
Amazon.com
15
Free shipping
$137.49
Pknight 4-Channel RDM/DMX Dimmer/Switch/Relay Pack, No Dummy Load Required, Flicker-Free LED Control
Amazon.com
15
$20.99
GUETNEU Relay Board, Relay Module 4 Channel 1 SPDT DIN Rail Mount 24V DC/AC, Interface Board(FY-T734C-D24)
Amazon.com
24
$20.99
GUETNEU Relay Board, Relay Module 4 Channel 1 SPDT DIN Rail Mount 24V DC/AC, Interface Board(FY-T734C-D24)
Amazon.com
24
$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
$2.95
1-5PCS 4 Channel Relay Board AVR 51 PIC 5V 12V 4-Channel Relay Module With Optocoupler Relay 4 Way
Aliexpress
$2.95
1-5PCS 4 Channel Relay Board AVR 51 PIC 5V 12V 4-Channel Relay Module With Optocoupler Relay 4 Way
Aliexpress
$52.50
(10Pcs)4-Channel 5V/12V/24V Relay Module With Optocoupler Isolation Support High/Low Level Trigger Development Boards (12, Volts (DC))
Amazon.com
Free shipping
$52.50
(10Pcs)4-Channel 5V/12V/24V Relay Module With Optocoupler Isolation Support High/Low Level Trigger Development Boards (12, Volts (DC))
Amazon.com
Free shipping
$19.99
Dieserc DC 12V 24V 4CH Wireless Remote Control Switch DC 6-30V 10A 4-Channels 433Mhz Radio Frequency Relay Receiver With 2 RF Transmitters For Lights
Amazon.com
531
$19.99
Dieserc DC 12V 24V 4CH Wireless Remote Control Switch DC 6-30V 10A 4-Channels 433Mhz Radio Frequency Relay Receiver With 2 RF Transmitters For Lights
Amazon.com
531
$6.99
ELEGOO 4 Channel DC 5V Relay Module With Optocoupler Compatible With Arduino UNO R3 MEGA 2560 DSP ARM PIC AVR STM32
Amazon.com
140
$6.99
ELEGOO 4 Channel DC 5V Relay Module With Optocoupler Compatible With Arduino UNO R3 MEGA 2560 DSP ARM PIC AVR STM32
Amazon.com
140
$1.15
$1.43
DC 5V 12V 24V 4 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation LED
Aliexpress
19% off
$1.15
$1.43
DC 5V 12V 24V 4 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation LED
Aliexpress
$241.72
Io HVAC Controls IO-WR 4 Channel Wireless Relay Kit | Supplyhouse.Com
SupplyHouse.com
$241.72
Io HVAC Controls IO-WR 4 Channel Wireless Relay Kit | Supplyhouse.Com
SupplyHouse.com
$5.60
$7.78
Smart Multiple DC 12V 24V 36V 10A 433Mhz 4CH 4 Channel Wireless Relay RF Remote Control Switch
Aliexpress
Free shipping
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$5.60
$7.78
Smart Multiple DC 12V 24V 36V 10A 433Mhz 4CH 4 Channel Wireless Relay RF Remote Control Switch
Aliexpress
Free shipping
$14.99
Sainsmart 4-Channel 5V USB Relay Module For Automation Robotics USA
SainSmart.com
$14.99
Sainsmart 4-Channel 5V USB Relay Module For Automation Robotics USA
SainSmart.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
13
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
13
$11.99
Sainsmart 4-Channel 5V Relay Module For Arduino Raspberry Pi EU
SainSmart.com
$11.99
Sainsmart 4-Channel 5V Relay Module For Arduino Raspberry Pi EU
SainSmart.com
$16.99
QIACHIP DC 12V Relay Remote Switch Wireless RF Remote Control Switch 4 Channel Module 433Mhz Transmitter Receiver Kit Universal Remote Controller For
Amazon.com
190
$16.99
QIACHIP DC 12V Relay Remote Switch Wireless RF Remote Control Switch 4 Channel Module 433Mhz Transmitter Receiver Kit Universal Remote Controller For
Amazon.com
190
$385.41
Argo Four Zone Control Switching Relay [ARM-4P]
Amazon.com
3
Free shipping
$385.41
Argo Four Zone Control Switching Relay [ARM-4P]
Amazon.com
3
$5.60
$7.78
Smart Multiple AC 110V 220V 433Mhz 4 CH 4 Channel Wireless 10A Relay RF Remote Control Switch
Aliexpress
Free shipping
28% off
$5.60
$7.78
Smart Multiple AC 110V 220V 433Mhz 4 CH 4 Channel Wireless 10A Relay RF Remote Control Switch
Aliexpress
Free shipping
$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
$1.99
4 Channel Relay Module 4-Channel Relay Control Board With Optocoupler. Relay Output 4 Way Relay
Aliexpress
$1.99
4 Channel Relay Module 4-Channel Relay Control Board With Optocoupler. Relay Output 4 Way Relay
Aliexpress
$44.95
DLP-IOR4 4-Channel Latching Relay Module
Saelig Company Inc
$44.95
DLP-IOR4 4-Channel Latching Relay Module
Saelig Company Inc
$3.05
4 Channel Smart Relay Tuya Wifi+RF433 DIY Module AC 100-240V/DC 5-24V Alexa Remote Timer Switch For
Aliexpress
Free shipping
$3.05
4 Channel Smart Relay Tuya Wifi+RF433 DIY Module AC 100-240V/DC 5-24V Alexa Remote Timer Switch For
Aliexpress
Free shipping
Intermediate Relay Self-Locking Circuit | Quick Wiring Guide #intermediaterelay
0:15
Intermediate Relay Self-Locking Circuit | Quick Wiring Guide #inter…
9.3K views1 month ago
YouTubeElectrical genius
USA's Fastest Women relays for Olympic Gold! #athletics #olympics #trackandfield
0:46
USA's Fastest Women relays for Olympic Gold! #athletics #olympic…
6.4M views2 months ago
YouTubeTrackNation
On this day, Betty Cuthbert won her third gold medal in the women's 4x100m relay at #Melbourne1956.🥇
0:58
On this day, Betty Cuthbert won her third gold medal in the women's 4…
64.6K views1 month ago
YouTubeOlympics
Olympic Khel on Instagram: "Speed and pure determination! 🔥 USA dominated the women's 4x100m relay at Paris 2024. 🇺🇸"
0:42
Olympic Khel on Instagram: "Speed and pure determination! 🔥 USA do…
45.7K views1 week ago
Instagramolympickhel
USA Greatest 4x100m Relay Race EVER 😱
0:42
USA Greatest 4x100m Relay Race EVER 😱
83.7K views1 month ago
YouTubeWho's Faster?
Relay Card in PLC: Definition + Importance (Interview Question) #relay #plc
1:45
Relay Card in PLC: Definition + Importance (Interview Question) #…
42.7K views2 months ago
YouTubeElectrical Dost
Facts & Knowledge 🗝 on Instagram: "The X post highlights a thrilling moment from the women's 4x100m relay at the 2025 World Athletics Championships, where the United States team, featuring Twanisha Terry in the second leg, staged a remarkable comeback to secure the gold medal. Terry's performance was pivotal, as she significantly closed the gap with Jamaica, setting the stage for Gabby Thomas and Sha'Carri Richardson to finish strong. - Twanisha Terry, known for her speed and strategic placemen
0:45
Facts & Knowledge 🗝 on Instagram: "The X post highlights a thrilling …
7.2K views2 weeks ago
Instagramk4knowledge
0:18
Team USA's baton handoff is absolutely flawless #TrackAndFiel…
29.2K views1 month ago
YouTubeBlazeTrack Clips
0:53
USA women’s vs Jamaica greatest 4x100 Relay! #trackandfield #olym…
3.9M views1 month ago
YouTubeTrackNation
1:13
Olympic Torch Passes Colosseum as Milan Cortina 2026 Relay Reach…
1.1K views3 weeks ago
YouTubeIndia Today
0:44
Student athlete seen hitting runner with baton in Virginia relay race #…
13.3K views9 months ago
YouTubeUSA TODAY
1:39
Olympic Flame ARRIVES In Italy: Milan-Cortina Countdown IGNITE…
1.4K views3 weeks ago
YouTubeETimes
1:51
Homemade Christmas Relay Race! Boys vs Girls #christmas #party #…
2.4M views1 month ago
TikTokthesmilyfam
1:17
Candy Drink Relay Race: Girls vs Boys Fun Challenge
27.5M views2 months ago
TikTokthesmilyfam
1:15
Automated Relay Backup System for PLN and Battery Charging
7.2K views2 weeks ago
TikTokmoerk4
0:57
USA VS FEMKE BOL 😱 Craziest Indoor Worlds Relay EVER!
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YouTubeWho's Faster?
1:41
VEVOR Split Charge Relay Kit for Dual Batteries
45.5K views2 weeks ago
TikTokrafaelmelendez580
2:46
Exciting 4x4 Relay Race for Secondary Boys
9.8K views2 weeks ago
TikToksirgorgeous
1:08
4th of July Speed Relay Race: Boys vs Girls Challenge
221.2K views1 month ago
TikTokethanluis61
1:24
SEA Games 2025: 14-year-old Julia Yeo wins gold with teammates for …
103.5K views2 weeks ago
YouTubeThe Straits Times
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Shop Relay 4 Channel

Sponsored
About our ads
$11.99
4 Channel Relay Module - Progressive Automations
Progressive Automations
$11.99
4 Channel Relay Module - Progressive Automations
Progressive Automations
$15.55
4 Channel Relay Module DC 12V 30A Relay Module With Optocoupler Isolation
Amazon.com
$15.55
4 Channel Relay Module DC 12V 30A Relay Module With Optocoupler Isolation
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
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
2
$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
81
$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
81
$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
87
$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
87
$8.99
Solid State Relay Module 5V 4 Channel High Level Trigger With Fuse Mini DIY Relay For Industrial Electronic (5V 4 Channel)
Amazon.com
$8.99
Solid State Relay Module 5V 4 Channel High Level Trigger With Fuse Mini DIY Relay For Industrial Electronic (5V 4 Channel)
Amazon.com
$6.99
NOYITO 4-Channel Solid State Relay Module High-Level Trigger DC Control AC Load AC 240V 2A For PLC Automation Equipment Control, Industrial Control,
Amazon.com
$6.99
NOYITO 4-Channel Solid State Relay Module High-Level Trigger DC Control AC Load AC 240V 2A For PLC Automation Equipment Control, Industrial Control,
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
465
$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
465
$13.99
NOYITO 4-Channel 5V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug And Play Suitable For PC Smart Controller
Amazon.com
45
$13.99
NOYITO 4-Channel 5V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug And Play Suitable For PC Smart Controller
Amazon.com
45
$18.99
KNACRO 4-Channel DC 5V Relay Module High-Low Level Triggering Optocoupler Isolation Load 30A DC 30V AC 250V For PLC Automation Control, Industrial
Amazon.com
$18.99
KNACRO 4-Channel DC 5V Relay Module High-Low Level Triggering Optocoupler Isolation Load 30A DC 30V AC 250V For PLC Automation Control, Industrial
Amazon.com
$12.87
12V 4 Channel USB Relay Module Programmable Computer Control Switch For Smart Home PC Intelligent Control
Amazon.com
$12.87
12V 4 Channel USB Relay Module Programmable Computer Control Switch For Smart Home PC Intelligent Control
Amazon.com
$16.98
Relay Module, 4 Channel Flip-Flop DC 12V Bistable Self-Locking Relay Module Low Pulse Relay 6-24VDC For Automotive Electronics, Motor, LED
Amazon.com
2
$16.98
Relay Module, 4 Channel Flip-Flop DC 12V Bistable Self-Locking Relay Module Low Pulse Relay 6-24VDC For Automotive Electronics, Motor, LED
Amazon.com
2
$9.00
4 Channel Relay Module Switch Module ESP-8266 (12V)
Amazon.com
$9.00
4 Channel Relay Module Switch Module ESP-8266 (12V)
Amazon.com
$7.99
Diitao 2PCS 12V 4 Channel Solid State Relay Module High Level Low Level Triggering Relay Module For Industrial Control Smart Control Automation
Amazon.com
19
$7.99
Diitao 2PCS 12V 4 Channel Solid State Relay Module High Level Low Level Triggering Relay Module For Industrial Control Smart Control Automation
Amazon.com
19
$17.99
Newgoal 4 Channel Smart Switch, Momentan/Locking Wifi Relay, Ewelink App Bluetooth Control Switch, DIY Smart Home, Compatible With Alexa Google Home
Amazon.com
436
$17.99
Newgoal 4 Channel Smart Switch, Momentan/Locking Wifi Relay, Ewelink App Bluetooth Control Switch, DIY Smart Home, Compatible With Alexa Google Home
Amazon.com
436
$18.99
Jane Eyre Wifi Relay Module 4 Channel Smart Switch Momentary/Self-Locking/Lock Switching For Tuya/Smart Life APP,DIY Garage Door, Compatible With
Amazon.com
244
$18.99
Jane Eyre Wifi Relay Module 4 Channel Smart Switch Momentary/Self-Locking/Lock Switching For Tuya/Smart Life APP,DIY Garage Door, Compatible With
Amazon.com
244
$137.49
Pknight 4-Channel RDM/DMX Dimmer/Switch/Relay Pack, No Dummy Load Required, Flicker-Free LED Control
Amazon.com
15
Free shipping
$137.49
Pknight 4-Channel RDM/DMX Dimmer/Switch/Relay Pack, No Dummy Load Required, Flicker-Free LED Control
Amazon.com
15
$20.99
GUETNEU Relay Board, Relay Module 4 Channel 1 SPDT DIN Rail Mount 24V DC/AC, Interface Board(FY-T734C-D24)
Amazon.com
24
$20.99
GUETNEU Relay Board, Relay Module 4 Channel 1 SPDT DIN Rail Mount 24V DC/AC, Interface Board(FY-T734C-D24)
Amazon.com
24