Product Manual

. A complete Parts List is available at www.HobartWelders.com
OM-272 181 Page 11
SECTION 4 − SPECIFICATIONS
4-1. Serial Number And Rating Label Location
The serial number and rating information for this product is located on the back. Use rating label to determine input power requirements and/or rated
output. For future reference, write serial number in space provided on back cover of this manual.
4-2. Specifications
. Do not use information in unit specifications table to determine electrical service requirements. See Sections 5-4 and 5-6 for information on con-
necting input power.
Power Supply
Input
Rated AC phase (PH) and line frequency (Hz) 1 PH 60 Hz — —
Rated Input Voltage (U
1
) and rated Input Current (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 (20 A) at 20% Duty Cycle 28.8 12.9
120 (15 A) at 35% Duty Cycle 20.6 12.2
240 at 35% Duty Cycle 13.9 8.3
Power Factor/KVA/KW at Rated Output
Volts AC RMS − (U
1
) Power Factor KVA/KW
120 Volts (20 A) 0.93 3.4/3.2
120 Volts (15 A) 0.92 2.5/2.3
240 Volts 0.91 3.3/3.0
Peak KW at Arc Stretch 5.4 kW at U1 = 240 Volts — —
Output
Rated Open Circuit Voltage (U0) Type 400 Volts DC/Electrode Negative — — — —
Output Characteristic Constant Current — — — —
Output Current Range 14-27 A — — — —
Output Current and Voltage Rating at Rated Input
Voltage (I
2
and U
2
at U
1
)
Amps DC − (I
2
) Volts DC − (U
2
) Volts AC − (U
1
)
27 A 91 Volts DC 240 Volts
27 A 91 Volts DC 120 Volts (20 A)
20 A 88 Volts DC 120 Volts (15 A)
Duty Cycle at 1045 F (405 C) at rated conditions (U
1
, I
1
,
U
2
, I
2
) based on a 10 minute period
Duty Cycle % Amps DC − (I
2
) Volts AC RMS − (U
1
)
35 27 A 240 Volts
20 27 A 120 Volts (20 A)
35 20 A 120 Volts (15 A)
General
Operating Temperature 5° to 104° F (−15° to 40° C) — — — —
IP Code − Degree of protection provided by enclosure
IP23CS** — — — —
IP − International Protection — — — —
2 − No ingress of foreign objects  12.5 mm (0.5 in.)
— — — —
3 − No harmful ingress spraying water — — — —
C − AC line circuits protected against ingress of tool
2.5 mm dia x 100 mm long (0.1 in. x 4 in.)
— — — —
S − Fan stationary during water test — — — —
Toppling or tilting Up to 15° incline — — — —
Gas Type Air — — — —
Gas Quality Clean, moisture-free, oil-free — — — —
Gas Inlet Pressure and Flow 3.0 SCFM (85 L/min)
90 PSI (621 kPa)
Min
120 PSI (827 kPa)
Max
Gas Filtering Particulates to 5 microns — — — —