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RS-485, Modbus RTU relay module with power measurement and voltage contr
WB-MRWM2
Two powerful relay outputs with active power measurement, voltage measurement and protective load shutdown
WB-MRWM2
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$86.21
Retail price
In stock 65 pcs. ,
  • 65 pieces are already at the warehouse
  • 300 more in 2-3 months

Designed for switching and monitoring powerful general-purpose power loads, incl. inductive: control of groups of sockets, motors, heaters, etc. There is a voltage control function with protective load shutdown. 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.

The device works with the Fast Modbus protocol extension - provides scanning capabilities, convenient configuration and instant polling of device status.

Technical specifications

Outputs
  • 2 relay channels rated 20 A 230 VAC
  • Channel status indication
  • Input voltage measurement with protective load disconnection
  • Maximum continuous current: 31 A per channel
Discrete inputs
  • 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
Other characteristics
  • Supply voltage: 9 to 28 VDC
  • Interface: RS-485, Modbus RTU
  • 3-module wide DIN rail enclosure (53 x 90 x 58 mm)
Any questions? Please contact us.

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