Overview Measuring Relay  

    M 220 Frequency and Standstill Monitor   M420 Motor Standstill Monitor





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  Function and parameter
  preselection
  Speed detection either via
  frequency input or evaluation of
  feedback voltage
  Measuring circuit monitoring
  Addittional programmable
  delay up to 24.9 seconds
  Easy-to-read LCD display
  Programming access through
  password

 

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  Standstill detection through
  motor voltage feedback:
  rotation sensor not required
  Voltage feedback input safe up
  to 700VAC
  High accuracy through innova-
  tive microprocessor technology
  Adjustable relay delay up to
  24.9 seconds per limit point
  Easy to read LCD display
  Password protected
  programming access
  Introduction / Technical Data
  Introduction / Technical Data
 
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