OM-251387 Page 10
3-2. Miscellaneous Symbols And Definitions
A
Amperage
Alternating
Current (AC)
V
Voltage
On
Voltage Input
Protective Earth
(Ground)
Line Connection
Three Phase Static
Frequency Convert-
er-Transformer-
Rectifier
X
Duty Cycle
%
Percent
Three Phase
Remote
Gas Output
Foot Control
Gas Metal Arc
Welding (GMAW)
%
Percent
U
2
Conventional
Load Voltage
I
2
Rated Welding Cur-
rent
Panel
Single Phase
Increase
Circuit Breaker
Positive
Constant Voltage
U
1
Primary Voltage
IP
Degree Of
Protection
Lift-Arc Trigger Hold
Operation (GTAW)
I
1eff
Maximum Effective
Supply Current
Voltage Sensing
Feeder
Output
Off
Direct Current (DC)
Constant Current
S
Suitable For Weld-
ing In An Environ-
ment With In-
creased Risk Of
Electric Shock
U
0
Rated No Load Volt-
age (OCV)
Hz
Hertz
Pulsed
I
1max
Rated Maximum
Supply Current
Scratch Start TIG
Negative
Gas Tungsten Arc
Welding (GTAW)
Flux Cored Arc
Welding (FCAW)
Shielded Metal Arc
Welding (SMAW)