Re: Resistence Welding Transformers
Use primary current times the duty cycle.
Primary current = 43000 divided by 480= 89.5 Amps.
A 50% duty cycle will be .71 X 89.5= 63.5 Amps.
Use wire with 63.5 Ampacity.
[ April 12, 2004, 11:21 AM: Message edited by: bennie ]