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8 Channel Ethernet Relay Controller (Support PoE and USB)

33 units will be available shortly.

Express post shipping available (product is on backorder)

With Ethernet relay, IoT(Internet of things) has become so easy. RLY-8-POE-USB is a POE & USB controlled 8 channel relay controller based on STM32. With this module users are able to do remote control/ switching power supply centralized management, the purpose of this product can be directly by net POE power supply switch power supply is connected to the Internet, so you just need to a cable link equipment, suitable for: home decoration, hotel, shopping mall management, Internet cafes, karaoke time, daily office, stores monitoring, networking, industrial control equipment, test equipment, power control, unattended, underground pipes, mining equipment, ships, machine room, street lamp management, intelligent management and centralized management. Please read the PoE compatiblity issue before you buy: We have passed the test on PoE Switches, list as

  • ONV POE31004P
  • Tenda TEF1008P
However, as reported by our customer, the PoE feature failed on these PoE switches: This new version Relay-8 module has support JSON now, please check network communication protocol.

  • Open source communication protocol
  • External power supply or PoE supply
  • Two control methods: Ethernet and RS485
  • PC software included
  • Open USB communication protocol
  • Open JSON communication protocol
  • Industrial grade casing for extra durability


  • MCU: STM32
  • External power supply: 7~23V DC
  • PoE power supply: 44~57V DC
  • Relay Max Switching Power: 277 AC-10A/125VAC-12A
  • Relay Quantity: 8
  • Network configuration: DHCP/Static IP Address
  • Control methods: Ethernet/USB
  • Default IP address: (Port:2000)
  • Working Temperature: -30~85°C
  • Size: 145mm * 90mm * 40mm (5.7in * 3.5in * 1.6in)
  • Weight: 530g



  • RLY-8-POE-USB Relay Controller x1
  • 7.5V@2A power adapter x1
  • RJ45 Network cable x1

The 8 Channel Ethernet Relay Controller (Support PoE and USB) appears in the following collections: