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ARGUS 7SR10 Overcurrent Relay

The Argus 7SR10 is a directional and non-directional overcurrent and earth-fault feeder protection relay.

The relay is housed in a 4U high, size 4 non-draw-out case and these relays provide protection, monitoring, instrumentation, and metering with integrated input and output logic, data logging and fault reports. Communication access to the relay functionality is via a front USB port for local PC connection or rear electrical RS485 (optional) port for remote connection.

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Monitoring Functions:

  • Primary/Secondary Current Phases and Earth
  • Direction of Faults
  • 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 and Current
  • Total Harmonic Distortion
  • Frequency
  • Binary Input/Output status
  • Trip circuit healthy/failure
  • Time and date
  • Starters
  • Fault records
  • Event records
  • Energy
  • Circuit breaker trip counters
  • I2t summation for contact wear
  • Thermal Overload Status Monitoring


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