Miller Electric 255 - Manual (Page 9)

OM-157 066 Page 5
SECTION 2 – INSTALLATION
2-1. Specifications
Rated Welding Amperage Range Maximum Open-
Amperes Input at Rated Load
Output, 50 or 60 Hz, Single-Phase
Output DC Circuit Voltage DC
200 V 230 V 460 V 575 V KVA KW
200 A @ 28 Volts DC,
60% Duty Cycle
250 A @ 28 Volts DC,
40% Duty Cycle
40 – 250 42
46
1.1*
40
1.3*
20
0.5*
16
0.4*
9.5
0.31*
8.3
0.18*
Wire Type And Diameter
Solid Steel /
Stainless Steel
Flux Cored/
Aluminum
Wire Feed Speed Range Overall Dimensions Weight
.023 – .045 in
(0.6 – 1.2 mm)
.030 – .035 in
(0.8 – 0.9 mm) And
3/64 in (1.2 mm) Alu
90 – 1030 IPM (2.9 – 26.2 m/min)
Length: 37 in (940 mm)
Width: 19 in (483 mm)
Height: 32 in (889 mm)
225 lb
(102 kg)
*While idling
Operating Temperature Range – –20C to +40C Storage Temperature Range – -30C to + 50C
2-2. Volt-Ampere Curve
The volt-ampere curves show the
minimum and maximum voltage
and amperage output capabilities of
the welding power source. Curves
of other settings fall between the
curves shown.
ssb1.1 10/91 – SB-049 424-C