Welders 300 Amps

The only difference between the Invertig 301 and the Invertig 313 is the Invertig 301 is a single phase only machine and the Invertig 313 is a single and 3-phase machine. The Invertig 301 runs off of a 54 amp breaker, where as the 313 runs off of a 44 amp breaker. The Invertig 313 has a better duty cycle when running on 3-phase (280 amps @ 100%), on single phase the 313 and 301 have the same duty cycle.