FABRICATOR 210
Manual No. 0-4855
2-3
INTRODUCTION
2.07 Duty Cycle
The rated duty cycle of a welding Power Supply is the operating time it may be used at its rated output current without
exceeding the temperature limits of the insulation of the component parts. To explain the ten minute duty cycle period
the following example is used. Suppose a welding Power Supply is designed to operate at 25% duty cycle, 250
amperes at 26.2 volts. This means that it has been designed and built to provide the rated amperage (250A) at the
rated load voltage (26.2V), for 2.5 minutes out of every 10 minute period (25% of 10 minutes is 2.5 minutes). During
the other 7.5 minutes of the 10 minute period the Power Supply must idle and be allowed to cool. The thermal cutout
will operate if the duty cycle is exceeded.
2.08 Specifications
Gun Catalog Number
20584P
Gun Type
TWECO Weldskill 250 AMP
Gun Cable Length
15 ft (4.5m)
MIG Gun Specifications
Table 2-2: MIG Gun Specifications
Control Circuit Supply
Wire Drive Motor Supply
Wire Diameter
.023"
(0.6mm)
.030"
(0.8mm)
.035"
(0.9mm)
.045"
(1.2mm)
Mild Steel:
Y
Y
Y
Y
Stainless Steel:
Y
Y
Y
Y
Aluminum:
Y
Y
Y
Flux Cored:
Y
Y
Y
Wire Spool Size Capacity
80 to 800 ipm
(2 to 20 m/min)
44 lb, 33 lb, 10 lb, 8" and 12" wire spool sizes.
Wire Drive Specifications
Wire Speed Range
30VA @ 32VAC
180VA @ 14 to 46VDC
Table 2-3: Wire Drive Specifications
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