OM-314 Page 10
2-3. Volt-Ampere Curves
ssb1.1 10/91 – SB-002 696-A / SB–002 689-A
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.

A. DC Mode B. AC Mode

2-4. Dimensions And Weights

Dimensions

Height 26-1/4 in (667 mm)
FWidth 19-1/2 in (495 mm)
F
EDepth 28-1/4 in (718 mm)
C
DA17-7/8 in (454 mm)
C
B1-1/8 in (29 mm)
GC3/4 in (19 mm)
G
8 Holes D1-1/2 in (38 mm)
E26-1/2 in (673 mm)
AF27-1/4 in (692 mm)
G1/2 in (13 mm) Dia

Weight

ST-157 733-B
B250 50 Hz: 352 lbs (160 kg)
60 Hz: 345 lbs (156 kg)
ST-157 733-B
B
250P 50 Hz: 360 lbs (163 kg)
60 Hz: 350 lbs (159 kg)