K ktm400sx Member Jan 30, 2006 #1 If I have several motors that are fed from a panel, how do I size the breaker that feeds the panel? How does locked rotor current come into the equation? Thanks for any help
If I have several motors that are fed from a panel, how do I size the breaker that feeds the panel? How does locked rotor current come into the equation? Thanks for any help
W wyatt Senior Member Jan 30, 2006 #2 Re: Breaker sizing for motors I think that it is 125% of the largest motor FLC plus the sum of the FLC of the other motors
Re: Breaker sizing for motors I think that it is 125% of the largest motor FLC plus the sum of the FLC of the other motors
augie47 Moderator Staff member Location Tennessee Occupation State Electrical Inspector (Retired) Jan 30, 2006 #3 Re: Breaker sizing for motors Tony, Feeder, YES; breaker, No Feeder OCP, 430.62: Largest OCP for individuial motor + sum of full load currents for other motors.
Re: Breaker sizing for motors Tony, Feeder, YES; breaker, No Feeder OCP, 430.62: Largest OCP for individuial motor + sum of full load currents for other motors.
