OM-249 498 Page 11
SECTION 3
−
DEFINITIONS
3-1. Symbols And Definitions
A
Amperage
V
Voltage
Hz
Hertz
Negative
Positive
Direct Current
(DC)
Single Phase
Input
Output
Voltage Input
Off
On
Do Not Switch
While Welding
Gas Metal Arc
Welding (GMAW)
Wire Feed
Circuit Protector
U
0
Rated No Load
Voltage (Average)
U
1
Primary Voltage
U
2
Conventional Load
Voltage
Line Connection
I
1max
Rated Maximum
Supply Current
I
2
Rated Welding
Current
X
Duty Cycle
Single Phase
Transformer-
Rectifier
Temperature
Increase
Percent
Protective Earth
(Ground)
S
Suitable For
Welding In An
Environment With
Increased Risk Of
Electric Shock
I
1
Rated Supply
Current
I
1eff
Maximum Effective
Supply Current