Isaiah
Senior Member
- Location
- Baton Rouge
- Occupation
- Electrical Inspector
We have a 3ph, 460V TEFC motor, 2.5 nameplate FLA, 2HP, 3490RPM 1.15 SF – for the Low-Low Amp setting, the vendor set the trip at 3A on the electronic OL device – obviously the motor tripped once energized.
Is there mathematical formula or chart to determine typical underload trip settings?
Is there mathematical formula or chart to determine typical underload trip settings?