B bacchi Member Joined Mar 21, 2010 Messages 8 Reaction score 0 Apr 15, 2010 #1 What has locked rotor amps to do with sizing of disconnect switch? 430.110 (A) says the disconnecting means to be " not less than 115% of FLA" Any comments?
What has locked rotor amps to do with sizing of disconnect switch? 430.110 (A) says the disconnecting means to be " not less than 115% of FLA" Any comments?
R Rei Well-known member Joined Mar 10, 2009 Messages 92 Reaction score 0 Apr 15, 2010 #2 bacchi said: What has locked rotor amps to do with sizing of disconnect switch? 430.110 (A) says the disconnecting means to be " not less than 115% of FLA" Any comments? Click to expand... The question doesn't ask for the disconnecting mean. It just ask for what is the NEC listed as the maximum locked-rotor current for the design B, 40 hp induction motor which is a straight look up table from 430.251.
bacchi said: What has locked rotor amps to do with sizing of disconnect switch? 430.110 (A) says the disconnecting means to be " not less than 115% of FLA" Any comments? Click to expand... The question doesn't ask for the disconnecting mean. It just ask for what is the NEC listed as the maximum locked-rotor current for the design B, 40 hp induction motor which is a straight look up table from 430.251.
