Miller CST 280 - Unit Specifications

OM-258 035 Page 12
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. Unit Specifications
 Do not use information in unit specifications table to determine electrical service requirements. See Section 5-8, 5-9, and 5-10 for information on
connecting input power.
A. 208-230/400-460 Volts Model*
Welding
Mode
Input
Power
Rated
Output
Welding
Amperage
Range
Maximum
Open-Circuit
Voltage
Amperes Input At Rated
Load Output, 50/60 Hz
KVA KW Dimensions
Net
Weight
208 230 400 460
Stick
(SMAW)
3-Phase
280 A @
31.2 VDC,
35 % Duty
Cycle
5-280 A
67 VDC
36.0 34.0 19.8 17.5 14.0 10.2
H: 13-1/2 in.
(343 mm)
W: 7-1/2 in.
(191 mm)
D: 18 in. (457
mm)
41 lb
(18.6 kg)
200 A @
28 VDC,
100 %
Duty Cycle
23.5 22.8 13.5 12.7 10.2 6.9
1-Phase
200 A @
28 VDC,
50 % Duty
Cycle
5-200 A
43.9 43.0 n/a n/a 9.9 6.5
150 A @
26 VDC,
100 %
Duty Cycle
35.0 32.9 n/a n/a 7.6 4.8
*Unit can be ordered with Dinse or Tweco weld output receptacles.
B. 220-230/460-575 Volts Model*
Welding
Mode
Input
Power
Rated
Output
Welding
Amperage
Range
Maximum
Open-Circuit
Voltage
Amperes Input At Rated
Load Output, 50/60 Hz
KVA KW Dimensions
Net
Weight
220 230 460 575
Stick
(SMAW)
3-Phase
280 A @
31.2 VDC,
35 % Duty
Cycle
5-280 A
77 VDC
35.0 34.2 17.8 14.7 14.6 10.2
H: 13-1/2 in.
(343 mm)
W: 7-1/2 in.
(191 mm)
D: 18 in.
(457 mm)
41 lb
(18.6 kg)
200 A @
28 VDC,
100 %
Duty Cycle
23.3 22.5 11.7 9.7 9.6 6.4
1-Phase
200 A @
28 VDC,
50 % Duty
Cycle
5-200 A
43.9 43.0 n/a n/a 10.1 6.6
150 A @
26 VDC,
100 %
Duty Cycle
32.7 32.0 n/a n/a 7.3 4.6
*Unit comes with Tweco weld output receptacles.