Owner`s manual

. A complete Parts List is available at www.MillerWelds.com
OM-237 974 Page 11
SECTION 4 − INSTALLATION
4-1. Specifications
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
208 1 PH 33 23.3
230 1 PH 30 21.2
Power Factor/KVA/KW at Rated Output
Volts AC RMS − (U
1
) Power Factor KVA/KW
208 0.98 6.8/6.6
230 0.98 6.8/6.6
Peak KW at Arc Stretch 10.1 KW — — — —
Output
Rated Open Circuit Voltage (U0) Type 400 Volts DC/Electrode Negative — — — —
Output Characteristic Constant Current — — — —
Output Current Rating (I2) 40 A — — — —
Output Voltage Rating (U2) 140 Volts DC — — — —
Output Current Range 20-40 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
Volts AC RMS − (U
1
) Duty Cycle % — —
208 Volts AC 1 PH 50 — —
230 Volts AC 1 PH 50 — —
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 or Nitrogen — — — —
Gas Quality Clean, moisture-free, oil-free — — — —
Gas Inlet Pressure and Flow 90 to 120 PSI at 6.0 SCFM — — — —
Gas Filtering Particulates to 5 microns — — — —
Torch
Mild Steel capacities (see Section 5-2 for
cutting speeds vs material type and thickness)
— — — — — —
Rated Capacity (edge start) 5/8 in. at 12 ipm (305 mm/min)* — — — —
Sever Cut Capacity (edge start) 7/8 in. at 4 ipm (102 mm/min)* — — — —
Pierce Capacity 5/16 in. — — — —
*Travel speeds are approximately 80% of maximum.