Anleitung_BT_GW_190_D_SPK1__ 24.01.13 15:07 Seite 25
10. Key to symbols
EN 60974-1
European standard for
arc welding sets and
welding power supplies
with limited on time
Fuse with rated value in
A in the mains
connection
U
Mains voltage
1
I
max
Rated maximum mains
1
current
Read the operating
instructions carefully
before using the welding
set and follow them
U
Rated idling voltage
0
I
Welding current
2
Ø mm
Welding wire diameter
transformer
Do not store or use the
appliance in wet or damp
conditions or in the rain.
mains connection
50 Hz
Mains frequency
Symbol for falling
characteristic curve
Metal inert and active
gas welding including
the use of filler wire
IP 21
Protection type
H
Insulation class
X
On-load factor
GB
25