How much inrush current can a square D NEMA starter handle?
Issue: My motor inrush in higher than the continuous current rating of my NEMA starter - how much inrush can the starter handle?
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Products sold and used in the United States
Cause: Motor inrush is higher than continuous current rating.
Resolution: Per NEMA the motor starter has to be able 10 time the continuous current on inrush. For example if the continuous current rating is 9 amps, the NEMA motor starter must be rated for 90 amps of inrush from the motor.