OM-220 389 Page 13
3-3. Symbols And Definitions
AAmperage Direct Current
(DC) Alternating
Current (AC) VVoltage
Output Circuit Breaker Remote On
Off Positive Negative Voltage Input
Arc Force Constant Voltage Inductance Protective Earth
(Ground)
Increase Line Connection Gas Metal Arc
W elding (GMAW)
Three Phase Static
Frequency Con-
verter-
Transformer-
Rectifier
U
0Rated No Load
Voltage (Average)
U
1Primary Voltage U2Conventional
Load Voltage XDuty Cycle
Hz Hertz
IP
Degree Of
Protection
I
2Rated Welding
Current
%
Percent
Pulsed Single Phase Three Phase
I
1ma
x
Rated Maximum
Supply Current
I
1eff Maximum Effective
Supply Current
S
Suitable for Some
Hazardous
Locations
3-4. Manufacturers Rating Label
5/04 − 225 636-C