GRP8 Thermistor Motor Protection Relay

The GRP8 thermistor motor protection relay series protects motors from overheating by monitoring PTC thermistor sensor input. It is used in systems where high switching frequency, heavy-duty starting, phase failure, poor cooling, or high ambient temperature can create thermal risk.

Product Features

• Thermistor motor protection relay for PTC sensor monitoring.
• GRP8-01 and GRP8-02 model variants.
• AC/DC 24-240V 50/60Hz supply range according to product data.
• Alarm setpoint 3100 ohm +/-10% and return setpoint 1650 ohm +/-10%.
• GRP8-02 includes dual SPDT output design and additional fault-handling options.

Covered Models