What is the duty cycle (Fator de Trabalho) of the Dynasty 280 for stick welding?

For stick (eletrodo revestido) welding with three-phase input, the Dynasty 280 is rated at 280A at 15% duty cycle, 200A at 60% duty cycle, and 160A at 100% duty cycle. The duty cycle represents the percentage of a 10-minute period during which the unit can weld at its rated load without overheating. Exceeding the duty cycle can damage the machine or torch and voids the warranty. (Pages 11, 15)