Symbols And Definitions - Miller Electric STR 450 Owner's Manual

2-3. Symbols And Definitions

A
Amperes
Output
V
Volts
Constant Current
(CC)
U
Rated No-Load
0
Voltage (Average)
Scratch Start TIG
Fuse
Negative Weld
Output Terminal
Supplementary
Protector
Shielded Metal Arc
Welding (SMAW)
X
Duty Cycle
U
Rated Supply
Voltage
1
Adjust
IP
Internal Protection
Rating
Current Increase
Scale
Positive Weld
Output Terminal
Off
Input
I
Rated Supply
1
Current
U
Load voltage
2
X
Duty Cycle
S
KVA
1
Protective Earth
(Ground)
On
Remote
I
Rated Welding
2
Current
Line Connection
Three Phase
Transformer
Rectifier
Current Increase/
Decrease
OM-236 031 Page 7