What is the rated output and duty cycle of the Dynasty 350?

The Dynasty 350 is rated at 250A at 30 volts at 100% duty cycle (three-phase), or 300A at 32 volts at 60% duty cycle (three-phase). For single-phase operation, it is rated at 180A at 27.2 volts at 100% duty cycle, or 225A at 29 volts at 60% duty cycle. The amperage range is 3–350A. (Page 12)