Tom B wrote:
Flameproof suit on.

Laguna says 30 Amp breaker on 220 Volt service is needed for the
LT16HD (4.5 HP Baldor motor).

My quick calc shows 4.5 HP on 220V is ~3375 Watts or about 15.3 Amp.

What does the spec. plate on the motor indicate?


Is the start-up draw 30% higher than the run draw?

According to Leeson, "the starting current, usually 450 to 575% of rated
current,"
http://www.iprocessmart.com/leeson/l...se_article.htm


I have 220V 20A service and 10-3 wiring installed over about a 20'
span and wonder if I need to go up to a 30 Amp breaker.

I could just plug it in, crank it up, and see if the breaker pops :-).


Ayup.

--
Jack Novak
Buffalo, NY - USA