购买 4 Channel Relay Module

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$8.99
Sainsmart 4-Channel Relay Module
Amazon.com
$8.99
Sainsmart 4-Channel Relay Module
Amazon.com
$8.89
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
Amazon.com
$8.89
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
Amazon.com
$17.99
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
$17.99
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
$13.99
NOYITO 4-Channel 12V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug And Play Suitable For PC Smart Controller
Amazon.com
$13.99
NOYITO 4-Channel 12V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug And Play Suitable For PC Smart Controller
Amazon.com
$7.99
Hiletgo 4 Channel 24V Relay Module With OPTO-Isolated Support High And Low Level Trigger For PLC Automation Equipment Control
Amazon.com
$7.99
Hiletgo 4 Channel 24V Relay Module With OPTO-Isolated Support High And Low Level Trigger For PLC Automation Equipment Control
Amazon.com
$5.99
NOYITO 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 10A For PLC Automation Equipment Control (4-
Amazon.com
$5.99
NOYITO 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 10A For PLC Automation Equipment Control (4-
Amazon.com
$20.99
GUETNEU Relay Board, Relay Module 4 Channel 1 SPDT DIN Rail Mount 24V DC/AC, Interface Board(FY-T734C-D24)
Amazon.com
$20.99
GUETNEU Relay Board, Relay Module 4 Channel 1 SPDT DIN Rail Mount 24V DC/AC, Interface Board(FY-T734C-D24)
Amazon.com
$16.45
Velleman VMA400 4 Channel Relay Module
Amazon.com
Free shipping
$16.45
Velleman VMA400 4 Channel Relay Module
Amazon.com
$21.41
MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)
Amazon.com
Free shipping
$21.41
MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)
Amazon.com
$27.70
4 Channel Relay Module 12V RS485 Transmitter Receiver With Antenna 4DI 4DO Switch Remote Control Wireless 433Mhz
Amazon.com
Free shipping
$27.70
4 Channel Relay Module 12V RS485 Transmitter Receiver With Antenna 4DI 4DO Switch Remote Control Wireless 433Mhz
Amazon.com
$162.99
SR504-4 Switching Relaysr-504-44 Channel Relay Module
Amazon.com
Free shipping
$162.99
SR504-4 Switching Relaysr-504-44 Channel Relay Module
Amazon.com
$7.50
Shillehtek 4-Channel 24V Relay Module - High & Low Level Trigger Relay Controller Board For Arduino, Raspberry Pi, PLC, Home Automation, Industrial
Amazon.com
$7.50
Shillehtek 4-Channel 24V Relay Module - High & Low Level Trigger Relay Controller Board For Arduino, Raspberry Pi, PLC, Home Automation, Industrial
Amazon.com
$17.99
DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home
Amazon.com
$17.99
DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home
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
$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
AEDIKO 2Pcs DC 5V Relay Module 4 Channel Relay Board Shield With Optocoupler Isolation Suport High/Low Level Trigger
Amazon.com
$8.99
AEDIKO 2Pcs DC 5V Relay Module 4 Channel Relay Board Shield With Optocoupler Isolation Suport High/Low Level Trigger
Amazon.com
$18.99
4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC/AC Interface Relay Module Replace FY-T734-24VACDC
Amazon.com
$18.99
4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC/AC Interface Relay Module Replace FY-T734-24VACDC
Amazon.com
$27.90
Dfrobot FIT0827 INDUSTRIAL 4-CHANNEL RELAY MODUL
DigiKey
$27.90
Dfrobot FIT0827 INDUSTRIAL 4-CHANNEL RELAY MODUL
DigiKey
$14.99
DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment
Amazon.com
$14.99
DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment
Amazon.com
$7.01
$7.97
JESSINIE 5V 4-Channel Relay Module With Optocoupler Isolation, Supports High And Low Level Trigger, Compatible With Arduino And Raspberry Pi For DIY
Amazon.com
折扣 12%
$7.01
$7.97
JESSINIE 5V 4-Channel Relay Module With Optocoupler Isolation, Supports High And Low Level Trigger, Compatible With Arduino And Raspberry Pi For DIY
Amazon.com
$8.79
ABS With Optocoupler DC Output 817 4 Channel Voltage Isolation Board Level Relay Module Relay Module Board For Calibrating
Amazon.com
Free shipping
$8.79
ABS With Optocoupler DC Output 817 4 Channel Voltage Isolation Board Level Relay Module Relay Module Board For Calibrating
Amazon.com
$9.99
ANMBEST 2PCS 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
Amazon.com
$9.99
ANMBEST 2PCS 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
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
$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
$260.00
HIMA | F3414 | 4 Channel Relay Module |
Classic Automation
$260.00
HIMA | F3414 | 4 Channel Relay Module |
Classic Automation
$26.11
AD22B04 DTMF Decoder Relay, 4 Channel Phone Remote Control Module For Home Automation DIY Projects
Amazon.com
Free shipping
$26.11
AD22B04 DTMF Decoder Relay, 4 Channel Phone Remote Control Module For Home Automation DIY Projects
Amazon.com
$26.82
AUNMAS 4 Channel Multifunction Relay Board Module With Timer, DPDT Switch 8-36V DC, Adjustable Time Delay Relay For Industrial Automation Car
Amazon.com
$26.82
AUNMAS 4 Channel Multifunction Relay Board Module With Timer, DPDT Switch 8-36V DC, Adjustable Time Delay Relay For Industrial Automation Car
Amazon.com
$13.49
Tophomer 1/2/4 Channel Relay Module 30A Load Current, Optocoupler Isolation, High/Low Level Trigger, Wide Compatibility For Various Automation Control
Amazon.com
Free shipping
$13.49
Tophomer 1/2/4 Channel Relay Module 30A Load Current, Optocoupler Isolation, High/Low Level Trigger, Wide Compatibility For Various Automation Control
Amazon.com
$18.99
GEYA Relay Module 4 Channel 1 SPDT DIN Rail Mount 5VDC Interface Relay Module(FY-T734-5VDC)
Amazon.com
Free shipping
$18.99
GEYA Relay Module 4 Channel 1 SPDT DIN Rail Mount 5VDC Interface Relay Module(FY-T734-5VDC)
Amazon.com
$16.99
Cenrykay 2PCS 4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board
Amazon.com
$16.99
Cenrykay 2PCS 4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board
Amazon.com
$22.88
Tuya 4 Channel Updated USB 5V/DC/AC 7-32V, Momentary Inching Self-Locking Relay Module,Tuya App Remote Control,Wifi RF Bluetooth Switch Module,Dry
Amazon.com
$22.88
Tuya 4 Channel Updated USB 5V/DC/AC 7-32V, Momentary Inching Self-Locking Relay Module,Tuya App Remote Control,Wifi RF Bluetooth Switch Module,Dry
Amazon.com
$45.11
Industrial Modbus RTU 4-Ch Relay Module With RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolation Protection Circuits,
Amazon.com
Free shipping
$45.11
Industrial Modbus RTU 4-Ch Relay Module With RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolation Protection Circuits,
Amazon.com
$23.99
Optocoupler Isolated 4-Channel Relay Module, High/Low Trigger Support, 5V-24V 12V
Digitalzakka
$23.99
Optocoupler Isolated 4-Channel Relay Module, High/Low Trigger Support, 5V-24V 12V
Digitalzakka
$22.99
Yitouniu 4 Channel Tuya Smart Life Wifi Momentary Inching Relay Self-Locking Switch Module,AC 85-250V/USB 5V Wifi RF Bluetooth Relay, Compatible With
Amazon.com
$22.99
Yitouniu 4 Channel Tuya Smart Life Wifi Momentary Inching Relay Self-Locking Switch Module,AC 85-250V/USB 5V Wifi RF Bluetooth Relay, Compatible With
Amazon.com
$158.95
$182.95
MSD MSD 4 Channel Relay Module 7566-4
Berry Performance Sales Ads
折扣 13%
$158.95
$182.95
MSD MSD 4 Channel Relay Module 7566-4
Berry Performance Sales Ads
$284.00
Allen-Bradley 1746-OW4 SLC 500 4-Channel Relay Output Module, A
PLCHardware.com
$284.00
Allen-Bradley 1746-OW4 SLC 500 4-Channel Relay Output Module, A
PLCHardware.com
$11.91
3V 1/2/4/8 Channel Relay Module - High & Low Level Trigger, Dual Optocoupler Isolation (3V, 4 Channel)
Amazon.com
Free shipping
$11.91
3V 1/2/4/8 Channel Relay Module - High & Low Level Trigger, Dual Optocoupler Isolation (3V, 4 Channel)
Amazon.com
$15.99
DWEII 4Pack 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Red Board For Raspberry Pi Arduino
Amazon.com
$15.99
DWEII 4Pack 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Red Board For Raspberry Pi Arduino
Amazon.com
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购买 4 Channel Relay Module

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$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
$8.99
AEDIKO 2Pcs DC 5V Relay Module 4 Channel Relay Board Shield With Optocoupler Isolation Suport High/Low Level Trigger
Amazon.com
$8.99
AEDIKO 2Pcs DC 5V Relay Module 4 Channel Relay Board Shield With Optocoupler Isolation Suport High/Low Level Trigger
Amazon.com
$14.99
DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment
Amazon.com
$14.99
DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment
Amazon.com
$7.01
$7.97
JESSINIE 5V 4-Channel Relay Module With Optocoupler Isolation, Supports High And Low Level Trigger, Compatible With Arduino And Raspberry Pi For DIY
Amazon.com
折扣 12%
$7.01
$7.97
JESSINIE 5V 4-Channel Relay Module With Optocoupler Isolation, Supports High And Low Level Trigger, Compatible With Arduino And Raspberry Pi For DIY
Amazon.com
$7.50
Shillehtek 4-Channel 24V Relay Module - High & Low Level Trigger Relay Controller Board For Arduino, Raspberry Pi, PLC, Home Automation, Industrial
Amazon.com
$7.50
Shillehtek 4-Channel 24V Relay Module - High & Low Level Trigger Relay Controller Board For Arduino, Raspberry Pi, PLC, Home Automation, Industrial
Amazon.com
$17.99
DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home
Amazon.com
$17.99
DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home
Amazon.com
$8.79
ABS With Optocoupler DC Output 817 4 Channel Voltage Isolation Board Level Relay Module Relay Module Board For Calibrating
Amazon.com
Free shipping
$8.79
ABS With Optocoupler DC Output 817 4 Channel Voltage Isolation Board Level Relay Module Relay Module Board For Calibrating
Amazon.com
$18.99
4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC/AC Interface Relay Module Replace FY-T734-24VACDC
Amazon.com
$18.99
4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC/AC Interface Relay Module Replace FY-T734-24VACDC
Amazon.com
$27.90
Dfrobot FIT0827 INDUSTRIAL 4-CHANNEL RELAY MODUL
DigiKey
$27.90
Dfrobot FIT0827 INDUSTRIAL 4-CHANNEL RELAY MODUL
DigiKey
$9.99
ANMBEST 2PCS 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
Amazon.com
$9.99
ANMBEST 2PCS 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board For Raspberry Pi Arduino
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
$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
$22.88
Tuya 4 Channel Updated USB 5V/DC/AC 7-32V, Momentary Inching Self-Locking Relay Module,Tuya App Remote Control,Wifi RF Bluetooth Switch Module,Dry
Amazon.com
$22.88
Tuya 4 Channel Updated USB 5V/DC/AC 7-32V, Momentary Inching Self-Locking Relay Module,Tuya App Remote Control,Wifi RF Bluetooth Switch Module,Dry
Amazon.com
$260.00
HIMA | F3414 | 4 Channel Relay Module |
Classic Automation
$260.00
HIMA | F3414 | 4 Channel Relay Module |
Classic Automation
$22.99
Yitouniu 4 Channel Tuya Smart Life Wifi Momentary Inching Relay Self-Locking Switch Module,AC 85-250V/USB 5V Wifi RF Bluetooth Relay, Compatible With
Amazon.com
$22.99
Yitouniu 4 Channel Tuya Smart Life Wifi Momentary Inching Relay Self-Locking Switch Module,AC 85-250V/USB 5V Wifi RF Bluetooth Relay, Compatible With
Amazon.com
$26.11
AD22B04 DTMF Decoder Relay, 4 Channel Phone Remote Control Module For Home Automation DIY Projects
Amazon.com
Free shipping
$26.11
AD22B04 DTMF Decoder Relay, 4 Channel Phone Remote Control Module For Home Automation DIY Projects
Amazon.com
$26.82
AUNMAS 4 Channel Multifunction Relay Board Module With Timer, DPDT Switch 8-36V DC, Adjustable Time Delay Relay For Industrial Automation Car
Amazon.com
$26.82
AUNMAS 4 Channel Multifunction Relay Board Module With Timer, DPDT Switch 8-36V DC, Adjustable Time Delay Relay For Industrial Automation Car
Amazon.com
$13.49
Tophomer 1/2/4 Channel Relay Module 30A Load Current, Optocoupler Isolation, High/Low Level Trigger, Wide Compatibility For Various Automation Control
Amazon.com
Free shipping
$13.49
Tophomer 1/2/4 Channel Relay Module 30A Load Current, Optocoupler Isolation, High/Low Level Trigger, Wide Compatibility For Various Automation Control
Amazon.com
$18.99
GEYA Relay Module 4 Channel 1 SPDT DIN Rail Mount 5VDC Interface Relay Module(FY-T734-5VDC)
Amazon.com
Free shipping
$18.99
GEYA Relay Module 4 Channel 1 SPDT DIN Rail Mount 5VDC Interface Relay Module(FY-T734-5VDC)
Amazon.com

购买 4 Channel Relay Module

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$8.99
Sainsmart 4-Channel Relay Module
Amazon.com
$8.99
Sainsmart 4-Channel Relay Module
Amazon.com
$8.89
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
Amazon.com
$8.89
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
Amazon.com
$17.99
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
$17.99
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
$13.99
NOYITO 4-Channel 12V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug And Play Suitable For PC Smart Controller
Amazon.com
$13.99
NOYITO 4-Channel 12V Computer USB Control Switch Relay Module Drive-Free Relay Module Plug And Play Suitable For PC Smart Controller
Amazon.com
$7.99
Hiletgo 4 Channel 24V Relay Module With OPTO-Isolated Support High And Low Level Trigger For PLC Automation Equipment Control
Amazon.com
$7.99
Hiletgo 4 Channel 24V Relay Module With OPTO-Isolated Support High And Low Level Trigger For PLC Automation Equipment Control
Amazon.com
$5.99
NOYITO 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 10A For PLC Automation Equipment Control (4-
Amazon.com
$5.99
NOYITO 4 Channel Relay Module High Low Level Trigger With Optocoupler Isolation Load DC 30V AC 250V 10A For PLC Automation Equipment Control (4-
Amazon.com
$20.99
GUETNEU Relay Board, Relay Module 4 Channel 1 SPDT DIN Rail Mount 24V DC/AC, Interface Board(FY-T734C-D24)
Amazon.com
$20.99
GUETNEU Relay Board, Relay Module 4 Channel 1 SPDT DIN Rail Mount 24V DC/AC, Interface Board(FY-T734C-D24)
Amazon.com
$16.45
Velleman VMA400 4 Channel Relay Module
Amazon.com
Free shipping
$16.45
Velleman VMA400 4 Channel Relay Module
Amazon.com
$21.41
MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)
Amazon.com
Free shipping
$21.41
MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)
Amazon.com
$27.70
4 Channel Relay Module 12V RS485 Transmitter Receiver With Antenna 4DI 4DO Switch Remote Control Wireless 433Mhz
Amazon.com
Free shipping
$27.70
4 Channel Relay Module 12V RS485 Transmitter Receiver With Antenna 4DI 4DO Switch Remote Control Wireless 433Mhz
Amazon.com
$162.99
SR504-4 Switching Relaysr-504-44 Channel Relay Module
Amazon.com
Free shipping
$162.99
SR504-4 Switching Relaysr-504-44 Channel Relay Module
Amazon.com
$7.50
Shillehtek 4-Channel 24V Relay Module - High & Low Level Trigger Relay Controller Board For Arduino, Raspberry Pi, PLC, Home Automation, Industrial
Amazon.com
$7.50
Shillehtek 4-Channel 24V Relay Module - High & Low Level Trigger Relay Controller Board For Arduino, Raspberry Pi, PLC, Home Automation, Industrial
Amazon.com
$17.99
DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home
Amazon.com
$17.99
DORHEA ESP32 Wifi 4 Channel Relay Module ESP32-WROOM-32E 4 Channel Development Board AC/DC Power Supply Switch Controller Board For Arduino Smart Home
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
$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
AEDIKO 2Pcs DC 5V Relay Module 4 Channel Relay Board Shield With Optocoupler Isolation Suport High/Low Level Trigger
Amazon.com
$8.99
AEDIKO 2Pcs DC 5V Relay Module 4 Channel Relay Board Shield With Optocoupler Isolation Suport High/Low Level Trigger
Amazon.com
$18.99
4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC/AC Interface Relay Module Replace FY-T734-24VACDC
Amazon.com
$18.99
4 Channel Relay Module 1 SPDT DIN Rail Mount 24V DC/AC Interface Relay Module Replace FY-T734-24VACDC
Amazon.com
$27.90
Dfrobot FIT0827 INDUSTRIAL 4-CHANNEL RELAY MODUL
DigiKey
$27.90
Dfrobot FIT0827 INDUSTRIAL 4-CHANNEL RELAY MODUL
DigiKey
$14.99
DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment
Amazon.com
$14.99
DIANN 30A 4 Channel Relay Module 5V Relay Module Expansion Board High Low Level Trigger With With Optocoupler Isolation For PLC Automation Equipment
Amazon.com