N normbac Senior Member Feb 9, 2011 #1 Is a contactors rating per pole or per unit? If you have a 30a FLA contactor 3 pole can you feed three seperate 30a line to loads off of it. TIA
Is a contactors rating per pole or per unit? If you have a 30a FLA contactor 3 pole can you feed three seperate 30a line to loads off of it. TIA
ptonsparky Tom Location NE (9.06 miles @5.9 Degrees from Winged Horses) Occupation EC - retired Feb 9, 2011 #2 Per pole, although I personally would not use one at the 100% rating. Watch the HP, FLA, and inductive load ratings. They are not always the same.
Per pole, although I personally would not use one at the 100% rating. Watch the HP, FLA, and inductive load ratings. They are not always the same.
N normbac Senior Member Feb 9, 2011 #3 ptonsparky said: Per pole, although I personally would not use one at the 100% rating. Watch the HP, FLA, and inductive load ratings. They are not always the same. Click to expand... Thanks I would not max it at that, I was just curious how that rating worked.
ptonsparky said: Per pole, although I personally would not use one at the 100% rating. Watch the HP, FLA, and inductive load ratings. They are not always the same. Click to expand... Thanks I would not max it at that, I was just curious how that rating worked.
LarryFine Master Electrician Electric Contractor Richmond VA Location Henrico County, VA Occupation Electrical Contractor Feb 9, 2011 #4 normbac said: Is a contactors rating per pole or per unit? Click to expand... There's no difference. A single 3ph load of 30a would be the same to the contactor. If you have a 30a FLA contactor 3 pole can you feed three seperate 30a line to loads off of it. Click to expand... Absolutely, with the caveats Tom mentioned.
normbac said: Is a contactors rating per pole or per unit? Click to expand... There's no difference. A single 3ph load of 30a would be the same to the contactor. If you have a 30a FLA contactor 3 pole can you feed three seperate 30a line to loads off of it. Click to expand... Absolutely, with the caveats Tom mentioned.