WBPRO-METREL2 RS-485 Multi Channel Energy Meter

This Multi Channel Energy Meter is Designed for commuting and monitoring of powerful power load of general purpose, including inductive: control of groups of sockets, motors, heaters, etc. Rated load up to 20A (4.5 kW) per channel, can be used directly without intermediate contactors for switching socket groups and other loads protected by a 16A circuit breaker. The device works only when 12-28V voltage is applied to the V+ and GND terminals.

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  • 2 relay channels rated 20 A 230 VAC
  • Channel status indication
  • Maximum continuous current: 31 A per channel


  • 3 discrete inputs with direct channel management function
  • 1 digital input for disabling all relay channels simultaneously
  • Press events: short, long, double and shortlong
  • Group galvanic isolation of inputs
  • “Dry contact” inputs
  • Inputs pulses count and frequency measure


  • Supply voltage: 9 to 28 VDC
  • Interface: RS-485, Modbus RTU
  • 3-module wide DIN rail enclosure (53 x 90 x 58 mm)