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2 Channel Serial Port Relay Module DC 12V PC Computer USB RS232 DB9 RS485 UART Remote Control Switch Board for Smart Home (4)
- Model #: CLAWB0C1GK6Q6Q
- $76.59 –
- More options from $76.59 - $77.99
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5V USB Relay with Optocoupler Isolation Industrial Grade Support UART Serial Port Signal Control NO/COM/NC Load 2 Channel Relay
Limited time offer, ends 09/14
- Model #: 604721825999
- $53.39 –
- More options from $53.29 - $55.99
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Jeanoko RS232 DB9 Female Interface 16-Channel Relay Board Serial Port Smart Module 8 Working Modes Relay Module for Automation Control
- Model #: 9435761115075
- $38.99 –
- $5.99 Shipping
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USB to RS232/485 Serial Converter, Onboard Original FT232RNL Chip, Supports Mac, Linux, Android, Win11/10/8.1/8/7, etc. Multiple Devices Applicable, Multiple Protection, Safe and Stable
Limited time offer, ends 08/29
- Model #: XQWC6T1-XM 724033
- $58.37 –
- Free Shipping
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RS232/485/422 to RJ45 ETH Module Serial Server Modbus Gateway MQTT Gateway TCP/IP to Serial, with PoE Function, Bi-Directional Transparent Data Transmission Between RS232/485/422 and Ethernet
Limited time offer, ends 08/29
- Model #: XQWC6T1-XM 724011
- $103.97 –
- Free Shipping
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Waveshare 8-Ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, with Various Isolation and Protection Circuits, Industrial Grade Rail-Mount Case
Limited time offer, ends 08/29
- Model #: C6T1813-XMYXDL295
- $104.78 –
- Free Shipping
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Waveshare Industrial Modbus RTU 8-ch Relay Module (E) with RS485, 30A High Current, Multi Isolation Protection, Optocoupler Isolation, Flyback Diode Protection, Rail-Mounted Case.
Limited time offer, ends 08/29
- Model #: C6T1813-XMYXDL187
- $129.39 –
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8-CH Ethernet Relay Module (B) with Digital Input, Modbus RTU/Modbus TCP Protocol, Support DC 7~36V Wide Range Power Input and PoE Power Supply, with Various Isolation and Protection Circuits
Limited time offer, ends 08/29
- Model #: C6T1813-XMYXDL368
- $102.79 –
- Free Shipping
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2Pcs 1 Channel Switch Relay Module Modbus Rtu Switching Input Output Relays Board with Anti-Reverse Connection Protection RS485 TTL Communication
Limited time offer, ends 08/29
- Model #: Kepler-8.10-OYS-60
- $12.99 –
- Free Shipping
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8-CH Relay Module via Ethernet with Digital Input, Adopt Modbus RTU/Modbus TCP Protocol, Supports PoE Power Supply/DC Power Port/Screw Terminal/DC 7~36V Wide Range Power Input
Limited time offer, ends 08/29
- Model #: C6T1813-XMYXDL467
- $92.18 –
- Free Shipping
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4-Channel RS485 Relay Board, Modbus RTU Protocol, 30A High Current 7V~36V, Multi Isolation Protection Circuits, Industrial Grade Rail-Mount Case
Limited time offer, ends 08/29
- Model #: XM728-C7FT-273
- $89.22 –
- Free Shipping
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Modbus-Rtu 7-24V 4 Channel Relay Module Switch Modbus RTU Switch Input Output 5V RS485 TTL Communication Anti-Reverse Connection
Limited time offer, ends 08/29
- Model #: Kepler-8.10-OYS-291
- $12.99 –
- Free Shipping
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4-Channel RS485 Relay Board, Modbus RTU Protocol, 30A High Current 7V~36V, Multi Isolation Protection Circuits, Industrial Grade Rail-Mount Case
Limited time offer, ends 08/29
- Model #: C6T1813-XMYXDL100
- $83.78 –
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8-CH Ethernet Relay Module (B) with Digital Input, Modbus RTU/Modbus TCP Protocol, Support DC 7~36V Wide Range Power Input and PoE Power Supply, with Various Isolation and Protection Circuits
Limited time offer, ends 08/29
- Model #: C6T1813-XMYXDL126
- $103.78 –
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Waveshare Industrial Modbus RTU 8-ch Relay Module with RS485 Interface Multi Isolation Protection Circuits Comes with an ABS Enclosure
Limited time offer, ends 08/29
- Model #: C6T1813-XMYXDL228
- $86.58 –
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Waveshare Dual Ethernet Ports 8-ch Relay Module (C), Modbus RTU Protocol, PoE Power Supply, with Various Isolation and Protection Circuits, Industrial Grade Rail-Mount Case
Limited time offer, ends 08/29
- Model #: C6T1813-XMYXDL387
- $110.39 –
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Modbus POE ETH Relay 8-CH Ethernet Relay Module Supports Sending Modbus RTU/Modbus TCP Protocol Commands via Ethernet Port to Control Relay and Various Devices
Limited time offer, ends 08/29
- Model #: C6T1813-XMYXDL065
- $91.55 –
- Free Shipping
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8-CH Relay Module via Ethernet with Digital Input, Adopt Modbus RTU/Modbus TCP Protocol, Supports PoE Power Supply/DC Power Port/Screw Terminal/DC 7~36V Wide Range Power Input
Limited time offer, ends 08/29
- Model #: C6T1813-XMYXDL022
- $92.19 –
- Free Shipping
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12V Dual Way Bluetooth Relay Module 12V 10A Wireless Smart Relay Module IoT Smart Home Phone APP Remote Control Switch
Limited time offer, ends 08/29
- Model #: Kepler-8.10-OYS-742
- $12.99 –
- Free Shipping
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Waveshare 8-Ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, with Various Isolation and Protection Circuits, Industrial Grade Rail-Mount Case
Limited time offer, ends 08/29
- Model #: C6T1813-XMYXDL357
- $102.78 –
- Free Shipping
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8-CH Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, with Various Isolation and Protection Circuits
Limited time offer, ends 08/29
- Model #: C6T1813-XMYXDL218
- $91.78 –
- Free Shipping
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Modbus RTU 4 Channel Relay Module with RS485/TTL UART, 1 Input 1 Output, 7-24V Anti-Reverse Protection for Industrial Home Automation
Limited time offer, ends 08/29
- Model #: Kepler-8.10-OYS-647
- $12.99 –
- Free Shipping
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1pcs SED-12DM (T73A-12V-10A) Relay 4pins
- Model #: C75J*OYJ*G1*0820-1050
- $34.14 –
- Free Shipping
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USB to RS485 Adapter Industrial Isolated Converter with Original FT232RNL Chip, 300bps ~ 512000bps Baud Rate, up to 1.2km RS485 Transmission Distance, Onboard Isolated Transceiver, TVS, etc.
Limited time offer, ends 08/29
- Model #: XQWC6T1-XM 724036
- $53.87 –
- Free Shipping
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Waveshare Industrial Modbus RTU 4-ch Relay Module with RS485 Interface, 30A High Current, Onboard LED Indicators, Multi Isolation Protection Circuits, Industrial Grade Rail-Mount Case
Limited time offer, ends 08/30
- Model #: YC7FW0628-482
- $90.87 –
- Free Shipping
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Waveshare 8-Ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, with Various Isolation and Protection Circuits, Industrial Grade Rail-Mount Case
Limited time offer, ends 08/29
- Model #: C6T1813-XMYXDL284
- $94.78 –
- Free Shipping
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8-CH Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, with Various Isolation and Protection Circuits
- Model #: C5Z9-Lsy724-293
- $103.66 –
- Free Shipping
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4-Channel RS485 Relay Board, Modbus RTU Protocol, 30A High Current 7V~36V, Multi Isolation Protection Circuits, Industrial Grade Rail-Mount Case
- Model #: C5Z9-Lsy724-302
- $90.22 –
- Free Shipping
