Impax IM-MMA140, Instruction Manual, Page: 21 / 24

20
SYMBOLS
Symbols and Technical Data
European standard relating to Welding Power Supply’s for limited use
IM-ARC140 Type ID
Single phase transformer
Symbol for manual arc welding and covered electrodes
50Hz Nominal mains frequency
Ø Diameter of electrodes
U
0
No load voltage
…A/…V to …A/…V Range of output
X% Duty cycle
I
2
Conventional welding current
U
2
Conventional load voltage
U
1
Mains voltage
I
1
max Maximum absorbed current
I
1
eff Effective supply current
IP21S Grade of protection
Standardized plug
Suitable for welding in an environment with increased hazard of electric shock
S
EN 60974-6:2003