Electronic thermal relay function pre-alarm

Electronic Thermal Relay Function Pre-alarm

Mitsubishi · FR-D700 Inverter (Basic)

What does Electronic thermal relay function pre-alarm mean?

The cumulative value of the electronic thermal O/L (overload) relay has reached 85% or higher of the Pr. 9 Electronic thermal O/L relay setting. This warning signifies that the motor or inverter is approaching an overload condition based on its thermal model. Continued operation without reducing the load could lead to an overload trip.

Source: Mitsubishi FR-D700 Inverter (Basic)
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