Breaker size for Dialarc 250?
WEBMay 27, 2012 · Electrical codes allow for downsizing electrical conductors due to the duty cycle of welding machines. The Dialarc 250, due to the duty cycle of the machine, cannot draw 100A continuous. The 100A breaker will take the surge current the machine needs. Milwaukee 8" Metal Cut Saw, Milwaukee Portaband.