15
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
equipment in wet or
damp conditions or in
the rain.
U
s
Standardized operating
voltage
Single-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
Self-shielding flux cored
welding
U
0
Rated idling voltage
IP 21 S
Protection type
I
2
Welding current
X
On-load factor
Ø mm
Welding wire diameter
I
1
eff
Effective value of the
highest line current
Single-phase
transformer
1
쓒
1
쓒
1 ~
Anleitung_BT_FW_100_GB_SPK7__ 13.03.13 13:12 Seite 15