Hobart Welding Products OM-487 manual Auxiliary Power Curve, Duty Cycle

3-4. Auxiliary Power Curve

	280	140
	240	120
VOLTS	200	100
	160	80
POWER	120	60
AC	80	40
	40	20
	0	0
		0	20	40	60	80	100	120	140	160
				AC POWER AMPERES AT 120V
		0	10	20	30	40	50	60	70	80
				AC POWER AMPERES AT 240V

The ac auxiliary power curve shows the auxiliary power available in amperes at the receptacles.

ST-189 268

3-5. Duty Cycle

100% Duty Cycle at 290 Amperes DC

					Continuous Welding
	300								DC/CV
	275								DC/CC
AMPERES	250
	225
WELD
	200
									AC/CC
	175
	150
	0	10	20	30	40	50	60	70	80	90	100

% DUTY CYCLE

Duty cycle is the percentage of 10 minutes that unit can weld at rated load without overheating.

YExceeding duty cycle can damage unit and void warranty.

ST-189 274

OM-487 Page 11