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OM-221 694 Page 8
2-2. Manufacturer’s Rating Labels
2-3. Symbols And Definitions
A
Amperage
Alternating
Current (AC)
V
Voltage
Remote On Off
Protective Earth
(Ground)
Line connection Three Phase
Direct Current
(DC)
Constant Voltage
Gas Tungsten Arc
Welding
Lift-Arc Operation
(GTAW)
Constant Current Inductance Increase
Three Phase Static
Frequency Con-
verter-
Transformer-
Rectifier
Gas Metal Arc
Welding (GMAW)
Shielded Metal Arc
Welding (SMAW)
Recycle or dispose
of used coolant in
an environmentally
safe way
U
1
Primary Voltage
I
1max
Rated Maximum
Supply Current
I
1eff
Maximum Effective
Supply Current
U
2
Conventional
Load Voltage
I
2
Rated Welding
Current
X
Duty Cycle
%
Percent
U
0
Rated No Load
Voltage (Average)
IP
Degree Of
Protection
Circuit Breaker
Pulsed
Hz
Hertz