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TPR-6. TEMPERATURE PROTECTION RELAY.

The TPR-6 temperature protection relay is designed to protect electric motors, transformers and other systems from overheating. The TPR-6 has up to 14 temperature inputs that can be programmed as thermistors (PTC or NTC) and as RTD (Pt100).

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ADVANCED FEATURES

  • Advanced microprocessor-based circuits.
  • Indication of RTD or thermistor data, faults and statistics.
  • Programmable inputs and outputs.
  • RS485 communication with Modbus protocol.
  • Easy installation and operation.
  • Two levels of protection alarm and trip.
  • Selectable between shot and safe shot.
  • Analog output relative to any input or a combination of them.
  • Selection of RTD / Thermistor, Pt100 RTDs, PTC or NTC Thermistor.
  • Sensor disconnected protection.

PROTECTIVE FEATURES

  • RTD / Thermistor with two levels for each input.
  • PTC / NTC thermistor selection.
  • Over temperature alarm and trigger for each input.
  • Continuous analog output signal.
  • External fault 1 and 2.

PROTECTION FUNCTIONS

Each entry can be assigned to:

  • Alarm only – Relay A.
  • Trip Only – Relay B.
  • Fan (trip, alarm) – Relay C.
  • Alarm / trip – Relay D.
  • Autorearme allowed.