4 Channel Relay Modules
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4Pack 4 Channel DC 5V Relay Module with Optocoupler Relay Board for Arduino R... Ebay.com starting at $25.37
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AC110V-240V 4-Channel Smart Bluetooth WIFI Remote Control Relay Switch Module Ebay.com starting at $12.92
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Bluetooth 5.0 Relay Module 4-Channel Remote Control Mobile Switch Ebay.com starting at $12.44
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DC 12V 4-Channel Relay Module Optocoupler For Arduino ARM PIC AVR DSP HD23L Ebay.com starting at $3.16
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5V Four 4 Channel Relay Module With optocoupler For PIC AVR DSP ARM Arduino CA Ebay.com starting at $2.68
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7-24V Modbus Rtu 1/2/4/8 Channel Relay Module Switch input output RS485/TTL UART Ebay.com starting at $3.99
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DC7 -24V Modbus Rtu 4 Channel Relay Module Switch input output RS485/TTL UART Ebay.com starting at $7.99
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DC 7-32V 2 4 Channel Smart Switch WiFi Wireless Relay Module Home Remote Control Ebay.com starting at $8.69
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DC 12V 4Ch 4-Channel Wireless RF Remote Control Turn On/Off Relay Switch Module Ebay.com starting at $11.48
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Bently Nevada 125720-01 4 Channel Relay I/O Module Ebay.com starting at $99.97
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AC110V-240V 4-Channel Smart Bluetooth WIFI Remote Control Relay Switch Module Ebay.com starting at $9.38
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4Channel Bluetooth Wireless Dry Contact Relay Switch Module,APP RF RemoteControl Ebay.com starting at $34.16
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Relay 4CH Switch Module APP Remote Control Wireless Radio RF 433 4 Channel Relay Ebay.com starting at $7.99
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NEW Four channel Relay Shield 5V 4 Channel Relay Shield Module for Arduino Ebay.com starting at $3.35
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5V Four 4 Channel Relay Module With optocoupler For PIC AVR DSP ARM Arduino Ebay.com starting at $2.13
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Opto 22: G4PB8. 8-Channel Rack with (8) G4 ODC5 Modules Ebay.com starting at $49.99
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National Instruments NI 9481 cDAQ 4-Channel Electromechanical Relay Module Ebay.com starting at $224.98
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7-24V Modbus Rtu 1/2/4 Channel Relay Module Switch input output RS485/TTL UART Ebay.com starting at $6.11
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Bluetooth 5.0 Relay Module 4 Channel 5V Smartphone Remote Control Switch Ebay.com starting at $13.36
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AD22B04 DC 12V 4 Channel MT8870 DTMF Tone Signal Decoder Control Relay Module Ebay.com starting at $16.89
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1/2/4/8 Channel Relay Board Module Optocoupler Relay High Low 5V 12V 24V New Ebay.com starting at $3.27
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1/2/4/8 Channel DC Relay Module Support High Low Level Trigger 5V 12V 24V Ebay.com starting at $6.88
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LILYGO T-Relay ESP32 DC 5V Relay 4 Channel Relay Module IoT Relay with T-U2T OM Ebay.com starting at $19.23
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1/2/4 Channel 5v OMRON SSR G3MB-202P Solid State Relay Module For Arduino Ebay.com starting at $1.08
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Optocoupler Relay Module High / Low Level 5V,12V,24V &1,2,4,8 Channel Arduino PI Ebay.com starting at $2.21
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5V 12V 24V 1-2-4-6-8 Channel Relay High Level Low Level Optocoupler Module PI Ebay.com starting at $2.49
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ALLEN BRADLEY - 5069-OW4I - Compact 5000 4-Channel Isolated RELAY Output Module Ebay.com starting at $224.50
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1/2/4/8 Channel 5/12V/24V High/Low Level Trigger Solid State Relay Module 240V2A Ebay.com starting at $3.94
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1/2/4 Channel 5v OMRON SSR G3MB-202P Solid State Relay Module For Arduino Ebay.com starting at $1.24
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4 Channel Optocoupler Isolation Module PLC Voltage Board DST1R8PN Ebay.com starting at $11.96
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Beckhoff 2-channel relay module KM2652 4stck packung Ebay.com starting at $463.21
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4 Channel SPDT Relay Module Board, 12V Ebay.com starting at $20.08
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12V 4 Channel Relay Module Board for your AVR, PIC Project Ebay.com starting at $20.08
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12V 4CH Channel Wireless Remote Relay Switch Smart Garage Open Control Module Ebay.com starting at $14.26
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NOYITO 4-Channel Relay Module DC 5V 12V 24V Self-locking Triggering Red Ebay.com starting at $10.97
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Remote Control Light Switch Wireless 4 Channels ON/OFF 110V 220V Relay Module Ebay.com starting at $17.71
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DC 7-28V 5V ESP8266 WiFi 4 Channel 30A Relay Module ESP-12F Development Board Ebay.com starting at $15.90
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2/4/16 Channel DB9 RS232 Relay Module DC 5/12V Remote Control Switch Smart Home Ebay.com starting at $8.71
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1/2/5/10PCS Four 4 Channel Relay Module DC5V Optocoupler For Arduino PIC ARM AVR Ebay.com starting at $3.04
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7-32V 1/2/3/4 Channel Time Relay Module APP Control Delay Cycle Timer Switch Ebay.com starting at $5.98
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5V 12V 24V 30A 4-Channel Relay Module High And Low Level Relay Module Ebay.com starting at $10.11
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AC 90-250V 4 CH Remote Smart WiFi Switch Relay Module Mobile Smart APP Control Ebay.com starting at $11.23
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433MHZ 4 Channel USB5V / DC7-32V WIFI Remote Control Relay Switch Module 3 Mode Ebay.com starting at $9.80
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DC5V 4-channel Infrared Wireless Remote Control Relay Module Self-locking Type-C Ebay.com starting at $5.99
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4 Channel WiFi Wireless Relay Switch Module Smart Momentary Inching Controller Ebay.com starting at $17.00
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1/2/4/8 Channel ESP32 WIFI Bluetooth BLE Relay Module ESP8266 Development Board Ebay.com starting at $8.71
Free Flat Rate Shipping Expedited: No Next Day: No supermall9527 Rating: 99.6% |
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MICRO USB 5V 4-Channel Relay Module USB Control Relay Module serial port Ebay.com starting at $6.98
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3V 3.3V 1/2/4 Channel Relay Module Low Level Trigger Relay with LED Relay Output Ebay.com starting at $3.09
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4 Channel Tuya Smart WiFi Wireless Light Switch Module Relay 110V-220V for Alexa Ebay.com starting at $19.50
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DC 5/12V 2/4/16 Channel Serial Port DB9 RS232 Relay Module Remote Control Switch Ebay.com starting at $6.46
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4 Channel DC 5V Relay Switch Module for Arduino Raspberry Pi ARM AVR DSP Ebay.com starting at $10.99
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5V 1/2/4/6/8 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM AVR Ebay.com starting at $0.99
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DC 24V 1/2/4 Channel Digital Relay Switch RS485 Standard Modbus RTU Relay Module Ebay.com starting at $10.35
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DC12V~24V 4-Channel Network Relay Module Support UDP/ TCP client/ TCP host Mode Ebay.com starting at $20.73
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Msd Ignition 7566-4, 4-Channel Mechanical Relay Module Performance Racing Parts Ebay.com starting at $209.38
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1* DC5V 12V 4 Channel Delay Relay Module DIP Relay Switch Flip-Flop Self-locking Ebay.com starting at $12.36
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4 Relay Module Board for Arduino Low Level Trigger 4 Channels 12V DIY Ebay.com starting at $9.99
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Four channel Relay Shield 5V 4 Channel Relay Shield Module for Arduino NEW Ebay.com starting at $4.75
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4 Channel 5v Relay Board Module for Arduino Raspberry Pi ARM AVR DSP PIC M Ebay.com starting at $10.55
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5-30V 2-Channel 4-Way Relay Module for DC Motor Large Current Solar System EL Ebay.com starting at $34.99
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High Power 2 Channel 4 Way Relay Extension Module 5V-30V 40A Relay Controller EL Ebay.com starting at $34.99
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DC5V 1/2/4/6/8 Channel SSR Solid State Relay Module Low Level Relay Module Ebay.com starting at $2.80
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(12V)4 Channel Wireless Relay Module 800-1000m Wireless Transmission Distance Ebay.com starting at $31.30
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5V / 12V ESP8266 ESP-01 2 /4-Channel WiFi Relay Module For IOT Smart Home APP Ebay.com starting at $4.78
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Velleman VMA400 4 CHANNEL RELAY MODULE Ebay.com starting at $11.77
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30A 4 Channel Relay Module Expansion Board for Raspberry Pi DSP AVR PIC ARM (12V Ebay.com starting at $25.68
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4 Channel Wireless Relay Module 4DI 4DO 43 RS485 Transmitter Receiver Relay Ebay.com starting at $27.56
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1/2/4 Channel Bluetooth Relay Module APP Control Switch IoT Smart Home DC5V/12V Ebay.com starting at $8.44
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1PC Four channel Relay Shield 5V 4 Channel Relay shield Module Fits Arduino US Ebay.com starting at $9.35
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12V Relay Remote Switch Wireless RF Remote Control Switch 4 Channel Relay Modul Ebay.com starting at $29.99
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1/2/4/8 Channel Relay Board Module High/Low Level Arduinos Raspberry Pi 5 12 24V Ebay.com starting at $2.39
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4- 6- 8- 10 -16 Channel Relay Module DPDT 24VDC DIN Rail Mount Industrial RH Ebay.com starting at $28.00
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DC 7-32V 4 Channel WiFi Delay Relay Switch APP Wireless Remote Control Module Ebay.com starting at $9.55
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4-Channel 4 Relay Digital Relay Timer Controller Delay Switch Module K1I9 Ebay.com starting at $30.27
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HID Drive-free Micro USB 1/2/4 Channel 5V Relay Module 5V 10A/250VAC 10A/30VDC Ebay.com starting at $2.43
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DC 12V 1/2/4Channel Bluetooth Relay Module APP Control Switch IoT Smart Home Ebay.com starting at $4.33
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DC 5V 12V 24V 4 Channel Delay Relay Module DIP Relay Switch Flip-Flop Latch Ebay.com starting at $12.39
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4 Channel AC/DC 24V Rail Mount Relay Interface Module PNP NPN SPDT 16A Plugga... Ebay.com starting at $42.86
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1PCS 5V Four 4 Channel Relay Module For PIC AVR DSP ARM MSP430 Arduino Ebay.com starting at $3.11
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1PCS DC 12V 4-Channel Relay Module Optocoupler For Arduino PIC ARM AVR DSP K9 Ebay.com starting at $3.03
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1/2/4/6/8 Channel 5V Relay Board Module Optocoupler LED for Arduino PiC ARM AVR Ebay.com starting at $0.99
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5V 4 Channel SSR G3MB-202P Solid State Relay Module with Resistive Fuse Ebay.com starting at $4.57
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Four channel Relay Shield 5V 4 Channel Relay Shield Module for Arduino NEW Ebay.com starting at $3.38
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PC817 4-Channel Voltage Converter Module Optocoupler Isolation Driving Module Ebay.com starting at $2.03
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1PCS 4 Channel WiFi Delay Relay Switch APP Wireless Remote Control Module Ebay.com starting at $9.55
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Relay Module 12V/24V DC/AC Interface 220V/230V 4 Channel 1 SPDT DIN Rail Mount Ebay.com starting at $31.57
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5V 1/2/4/6/8 Channel Relay Board Module Optocoupler LED for Arduino PiC ARM AVR Ebay.com starting at $0.99
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ESP32S 4 Channel Wifi Blue-tooth Relay Module with Esp32-wroom-32u for Arduino Ebay.com starting at $18.79
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1/2/4 Channel 5v OMRON SSR G3MB-202P Solid State Relay Module For Arduino Ebay.com starting at $0.97
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DC12V-24V Network Relay 4-Channel Module Low Level Trigger Electrical Accessory Ebay.com starting at $21.39
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DC7~32V 2/4Channel Smart Switch WiFi Wireless Relay Module Home Remote Control Ebay.com starting at $8.21
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36V Relay Module 4-channel Multifunction Time Delay Relay Interface Board Module Ebay.com starting at $16.41
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1/2/4/8 Channel ESP32 WIFI Bluetooth BLE Relay Module ESP8266 Development Board Ebay.com starting at $10.03
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4 pcs DC 5V 1 Channel Relay Module Board Shield High/Low Level Trigger with O... Ebay.com starting at $19.36
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Geekcreit 4 Channel Isolated Relay Module, 5V, SPDT Output, Arduino Ebay.com starting at $6.24
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1PCS 12VDC 1/2/4/8/12 Channel DI-DO Modbus RTU RS485 Relay Module Ebay.com starting at $8.66
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Bently Nevada 149986-02A 4-Channel Relay Module, 3500/32M Ebay.com starting at $500.00
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1/2/4/6/8 Channel 5V Relay Board Module Optocoupler LED for Arduino PiC ARM AVR Ebay.com starting at $0.99
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DC 12V 4-Channel Relay Module Optocoupler For Arduino PIC ARM AVR DSP HD23L DP Ebay.com starting at $3.00
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NEW 4 Channel Optical Coupler Isolation High/Low Level Voltage Converter Module Ebay.com starting at $1.30
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