The Temperature Protection Relay is designed to protect electric motors, transformers and other systems from overheating. The SI-TPR6 has up to 14 temperature inputs that can be programmed to measure thermistors (PTC or NTC) and RTDs (Pt100).
RTD / Thermistor with two levels for each input
Thermistor PTC / NTC selection
Over temperature Alarm and Trip to each input
Continuous analogue output signal
External fault 1 and 2
Advanced microprocessor-based circuitry
Display of operating RTD or Thermistor Data, Fault and Statistics
Programmable inputs and outputs
RS-485 communication with MODBUS protocol
Easy installation and friendly operation
Two level protection for Alarm and Trip
Selection between Trip and Trip fail-safe
Analog output related to any input or input combinations
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