J jimleadermewto Member Dec 9, 2005 #1 what is the maximum size breaker that can be used on a seven and one half hp three phase motor that has a FLA of 24 and fed with number 10 thhn?
what is the maximum size breaker that can be used on a seven and one half hp three phase motor that has a FLA of 24 and fed with number 10 thhn?
bob Senior Member Location Alabama Dec 9, 2005 #2 Re: breaker size That information should be on the unit name tag. It should list the max breaker/fuse and the minimum ampacity of the circuit conductor.
Re: breaker size That information should be on the unit name tag. It should list the max breaker/fuse and the minimum ampacity of the circuit conductor.
jwelectric Senior Member Location North Carolina Dec 9, 2005 #4 Re: breaker size The maximum size breaker that can be used would be found in 430.52(C) exception 2(c)
Re: breaker size The maximum size breaker that can be used would be found in 430.52(C) exception 2(c)
roger Moderator Staff member Location Fl Occupation Retired Electrician Dec 9, 2005 #5 Re: breaker size You can also go to 430.52 through 430.63 Roger