Note 1: The Effective Input Current should be used for the determination of cable size & supply
requirements.
Note 2: Generator Requirements at the Maximum Output Duty Cycle.
NOTE
Note 3: Motor start fuses or thermal circuit breakers are recommended for this application. Check local
requirements for your situation in this regard.
Due to variations that can occur in manufactured products, claimed performance, voltages, ratings, all
capacities, measurements, dimensions and weights quoted are approximate only. Achievable capacities
and ratings in use and operation will depend upon correct installation, use, applications, maintenance
and service.
The rated duty cycle of a Welding Power Source, is a statement of the time it may be
operated at its rated welding current output without exceeding the temperature limits of
the insulation of the component parts. To explain the 10 minute duty cycle period the
following example is used. Suppose a Welding Power Source is designed to operate at
a 25% duty cycle, 200 amperes at 18 volts. This means that it has been designed and
built to provide the rated amperage (200A) for 5 minutes, i.e. arc welding time, out of
every 10 minute period (25% of 10 minutes is 5 minutes). During the other 5 minutes of
the 10 minute period the Welding Power Source must idle and be allowed to cool. The
thermal cut out will operate if the duty cycle is exceeded.
2.5 Duty cycle
Duty Cycle(PERCENTAGE)
Welding Current(AMPS)
2.6 Packaged Items
◆ 300 Amp Earth Clamp With 3m cable
◆ 2m Gas Hose 5x8
◆ Air Regulator
◆ Operating Manual
◆ 200 Amp Electrode Holder With 3m cable
◆TIG Torch WP-26 4m
3.1 Layout for the panel
25
25
50
50
75
75
100100 125
0 125 150
150 175
175
00
1010
2020
3030
4040
5050
6060
7070
8080
9090
1 001 00
0 200 225 250 275
275
300
(MMA) (TIG)
Safe
Operating
Region
1
2
3
4
5
6
7 8 9 10
DC TIG SERIES EQUIPMENT
Summary
Operation
DC TIG SERIES EQUIPMENT
38
39
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