Re: Wire and breaker size for 7.5HP 3 Phase Felder Shaper - NEC Code compliant

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Here are the currents of various Felder 3 ph motors from my machines as a reference but wiring should be done based upon the motor rating.

#Felder_3phase_Machine_Motor_Currents_KF700_K975_Dual51

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My 5.5KW (7.4HP) 3 ph machine label says 24A. So I have it on a 30A circuit breaker. It may run on C16 (16A) but you should consult your electrician as it likely will not meet the local code and in case of a fire the insurance may not pay up due to code violation.

Imran Malik

IAM Wood Creations

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On May 3, 2025, at 3:06?AM, Colum via groups.io <colum@...> wrote:

Hi all, Just reading through on this chat, does anyone have a go to chart for sizing cables and breakers for 3 phase equipment. I am being told by Felder c16 breakers are fine in my shop, with an kf700s saw/spindle, ad 741 planer, fb610 bandsaw and rl160 extractor, each on c16, and All this rolls up to c40 main breaker. Heating/AC, small power separate.

seems ok?

thanks

colum

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