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3-2. Miscellaneous Symbols And Definitions
.
Some symbols are found only on CE products.
A
Amperage
Direct Current
(DC)
Alternating
Current (AC)
V
Voltage
Off
On
Circuit Breaker
Protective Earth
(Ground)
Gas Tungsten Arc
Welding (GTAW) /
Tungsten Inert Gas
(TIG) Welding
Positive
Shielded Metal Arc
Welding (SMAW)
High Frequency -
General
Increase
Line Connection
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
S
Suitable for Some
Hazardous
Locations
I
2
Rated Welding
Current
%
Percent
SD Logo Is A
Trademark Of The
SD
−
3C, LLC
Three Phase
Single Phase
I
1
Rated Supply
Current
IP
Internal Protection
Rating
VS
Volt Sense Input
Notes