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
1-phase 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
Single-phase transformer
with rectifier
Anleitung_BT_GW_150_SPK1__ 23.01.13 07:26 Seite 25