Max. effective primary current
(I
1eff
)
16 A 20 A 15 A
Max. primary current (I
1max
) 25 A 29 A 19 A
Max. apparent power (S
1max
) 5.75 kVA 3.48 kVA 2.28 kVA
Mains fuse protection 16 A slow-
blow
20 A slow-
blow
15 A slow-
blow
Mains voltage tolerance -20% / +15%
Grid frequency 50/60 Hz
Cos phi 0.99
Max. permitted mains impedance
Z
max
at PCC
1)
285 mOhm
Recommended earth-leakage cir-
cuit breaker
Type B
Welding current range (I
2
)
rod electrode
TIG
10 - 180 A
10 - 220 A
10 - 120 A
10 - 170 A
10 - 85 A
10 - 140 A
Welding current for MMA welding,
10 min / 40 °C (104 °F)
40%/180 A
60%/150 A
100%/120 A
40%/120 A
60%/100 A
100%/90 A
40%/85 A
60%/70 A
100%/65 A
Welding current for TIG welding,
10 min / 40 °C (104 °F)
40%/220 A
60%/160 A
100%/130
A
40%/170 A
60%/130 A
100%/
100 A
40%/140 A
60%/110 A
100%/100
A
Output voltage range according to
standard characteristic (U
2
)
rod electrode
TIG
20.4 - 27.2 V
10.4 - 18.8 V
Open circuit voltage (U
0
peak) 101 V
Degree of protection IP 23
Type of cooling AF
Overvoltage category III
Pollution degree according to
IEC60664
3
EMC device class A
Safety symbols S, CE
Max. shielding gas pressure 5 bar
72.52 psi
Dimensions (length x width x
height)
435 x 160 x 310 mm
17.1 x 6.3 x 12.2 in.
Weight 9.2 kg
20.3 lb.
Idle state power consumption
at 230 V
15 W
Power source efficiency at
180 A / 27.2 V
88 %
1) Interface to a 230/400 V and 50 Hz public grid
58