Owner`s manual

. A complete Parts List is available at www.MillerWelds.com
OM-254 170 Page 11
SECTION 4 − INSTALLATION
4-1. Specifications
Power Supply
Input
Rated AC Phase and line frequency (Hz) 1 − Phase 60 Hz
−−
Rated Input Voltage (U
1
) and rated Input Cur-
rent (I
1
) and I
1
eff at rated output. I
1
eff used to
determine power cord rating
Volts AC RMS − (U
1
) Amps RMS − (I
1
) I
1
eff
120 VAC, 1−Phase (20 A) 25.1 11.2
120 VAC, 1−Phase (15 A) 18.1 10.7
240 VAC, 1−Phase 26.7 18.9
Power Factor/kVA/kW at Rated Output Volts AC RMS − (U
1
) Power Factor kVA/kW
120 VAC, 1−Phase (20 A) 0.969 3.02 / 2.93
120 VAC, 1−Phase (15 A) 0.970 2.17 / 2.11
240 VAC, 1−Phase 0.995 6.41 / 6.30
Peak kW at Arc Stretch kW 10.1
−−
Output
Rated Open Circuit Voltage (U
0
) Type 400 Volts DC/Electrode Negative
−− −−
Output Characteristic Constant Current
−− −−
Rated Output Current and Voltage (I
2
, U
2
) at
rated Input Voltage (U
1
)
Volts AC RMS - (U
1
) Amps DC - (I
2
)
Volts DC -
(U
2
)
120 VAC, 1−Phase (20A) 27 A 91 V
120 VAC, 1−Phase (15 A) 20 A 88 V
240 VAC, 1−Phase 40 A 140 V
Output Current Range 15 − 40 A
−− −−
Duty Cycle at 104F (405C) and Rated Condi-
tions
(U
1
, I
1
, U
2
, I
2
) based on a 10 minute period
Volts AC RMS - (U
1
) Amps DC − (I
2
)
Duty Cycle
%
120 VAC, 1−Phase (20A) 27 A 20%
120 VAC, 1−Phase (15 A) 20 A 35%
240 VAC, 1−Phase 40 A 50%