OM-202 137 Page14
3-3.
Symbols And Definitions
A
Amperage
Panel
Alternating
Current (AC)
V
Voltage
Output
Circuit Breaker
Remote
On
Off
Gas Tungsten Arc
Welding
Negative
Voltage Input
Direct Current
(DC)
Positive
Inductance
Protective Earth
(Ground)
Constant Current
Constant Voltage
Foot Control
Line Connection
Arc Force
Shielded Metal Arc
Welding (SMAW)
Gas Metal Arc
Welding (GMAW)
Three Phase Static
Frequency Con-
verter-
Transformer-
Rectifier
U
0
Rated No Load
Voltage (Average)
U
1
Primary Voltage
U
2
Conventional
Load Voltage
X
Duty Cycle
Hz
Hertz
IP
Degree Of
Protection
I
2
Rated Welding
Current
%
Percent
Pulsed
Lift-Arc Trigger
Hold Operation
(GTAW)
Single Phase
Three Phase
I
1max
Rated Maximum
Supply Current
I
1eff
Maximum Effective
Supply Current
Increase
Lift-Arc Operation
(GTAW)
