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Reyrolle 7SR110 , 7SR120

7SR110 , 7SR120

Function

Protection Functions

  • Undercurrent (37)
  • Broken Conductor (46BC)
  • Negative Phase Sequence Overcurrent (46NPS)
  • Thermal Overload (49)
  • Overcurrent (50, 51)
  • Earth Fault (50G, 50N, 50SEF, 51G, 51N, 51SEF)
  • Directional Control of Overcurrent & Earth Fault (67)
  • High Impedance REF (64H)
  • Under/Over Voltage (27/59)
  • Negative Phase Sequence Voltage (47)
  • Voltage Controlled Overcurrent (51V)
  • Neutral Voltage Displacement (59N)
 
 
 
Supervision Functions
  • CT Supervision (60CTS)
  • Trip & Close Circuit Supervision (74T/CCS)
  • VT Supervision (60VTS)
  • Inrush Detector (81HBL2)
  • Circuit Breaker Fail (50BF)
Control Functions
 
 
Monitoring Functions
  • Primary/Secondary Current Phases and Earth Direction
  • Primary/Secondary Line and Phase Voltages
  • Apparent Power and Power Factor
  • Real and Reactive Power
  • W Hr & VAr Hr Forward and Reverse
  • Historical Demand Record
  • Positive Phase Sequence (PPS) Voltage & Current
  • Negative Phase Sequence (NPS) Voltage & Current
  • Zero Phase Sequence (ZPS) Voltage

 

Features

  • Cold Load Settings
  • Four Settings Groups
  • Password Protection – 2 levels
  • User Programmable Logic
  • Self Monitoring
  • Circuit Breaker Trip Counter and Timer
  • Fault, event and waveform records