Duty cycle for all RWMA equipment is designed to operate at a maximum 50% duty cycle. For each new resistance welding application one must confirm this value will not be exceeded.
The AC and DC duty cycle calculations can be found in another article:
Power calculations can be found in the article:
HOW MUCH POWER IS USED RESISTANCE WELDING ON A 150 KVA WELDER?
Reference: RWMA – Resistance Welding Manual Section 19.3