25
GB
10. Key to symbols
EN 60974-1 European standard for
arc welding sets and
welding power supplies
with limited on time
Do not store or use the
appliance in wet or damp
conditions or in the rain.
Fuse with rated value in
A in the mains
connection
mains connection
U
1
Mains voltage 50 Hz Mains frequency
I
1
max Rated maximum mains
current
Symbol for falling
characteristic curve
Read the operating
instructions carefully
before using the welding
set and follow them
Metal inert and active
gas welding including
the use of filler wire
U
0
Rated idling voltage IP 21 Protection type
I
2
Welding current H Insulation class
Ø mm Welding wire diameter X On-load factor
transformer
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