Hobart Welding Products OM-949 manual Specifications, Duty Cycle Charts

SECTION 3 − INSTALLATION

3-1. Specifications

	Amperage	Max Open-	Amperes Input at Rated Load
Rated Welding Output			Output, Single-Phase		Weight
		Circuit
	Range
		Voltage	220 V (50 Hz)	230 V (60 Hz)
165 A @ 25 Volts AC, 20% Duty Cycle	30 − 205A	80 VAC	47.5	47.5	83 lb
			7.6*	2.3*	(38 kg)

Overall Dimensions

Height: 18-3/4 in (476 mm); Width: 12-3/4 in (323 mm); Depth: 17-1/2 in (445 mm)

*While idling

3-2. Duty Cycle Charts

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

	Y 20% Duty Cycle at 165 Amperes. Ex-
	ceeding duty cycle can damage unit
2 Minutes Welding	and void warranty.
	8 Minutes Resting

	200
	180
	160
Amperage	140
	120
Output
	100
	80
	0	20	40	60	80	100

% Duty Cycle 215 256-A

OM-949 Page 9