Section 4 − Specifications; Weld, Power, And Engine Specifications; Dimensions, Weights, And Operating Angles - Miller Big Blue 450 Duo CST Owner's Manual

4-1. Weld, Power, And Engine Specifications

Welding Output
280 A @ 31.2 VDC, 35 % Duty Cycle
Stick (SMAW)
200 A @ 28 VDC, 100 % Duty Cycle
TIG (GTAW)
400A @ 28 VDC, 100% Duty Cycle
450X Model is equipped with Dinse weld output receptacles. 450 Model is equipped with Tweco weld output receptacles
Auxiliary Power Rating
Single-Phase, 12 kVA/kW Peak
10 kVA/kW, Continuous
120/240 V AC, 60 Hz
Three−Phase
12 kVA/kW, 240 V AC, 60 Hz

4-2. Dimensions, Weights, And Operating Angles

Dimensions
32 in. (813 mm)
35-3/4 in. (908 mm)
Height
(to top of lift eye)
26-1/4 in. (667 mm)
(mtg. brackets turned in)
Width
28-3/4 in. (730 mm)
(mtg. brackets turned out)
Depth 56 in. (1422 mm)
A 56 in. (1422 mm)
B 54 in. (1372 mm)
C 52 in in. (1321 mm)
D 2 in. (51 mm)
E 26 in. (660 mm)
F 7/8 in. (22 mm)
G 27-3/4 in. (705 mm)
9/16 in. (14 mm) Dia.
H
4 Holes
Weight
No fuel: 1064 lb (483 kg)
w/ fuel: 1159 lb (526 kg)
Lifting Eye Weight Rating:
1500 lb (680 kg) Maximum
.
For information on specifications and performance data pertaining to standard CST units operating individually, see Miller Owner's Manual
OM-217 455. Use this Owner's Manual in conjunction with OM-217 455 for operation, maintenance, and troubleshooting.
SECTION 4 − SPECIFICATIONS
Rated
Output
Individual CST:
Combined Rating:
Sound Level
72 dB (97 Lwa) at 23 ft (7 m),
Full Load
A
B C
D
Welding
Amperage Range
5-280 A
IP
Mitsubishi S4L2 Water−Cooled
23S
Four−Cylinder 24.5HP Diesel Engine
G
!
!
H
20
Front Panel End
20
F
E
Maximum Open-Circuit Voltage
77 VDC
Engine
Do not exceed tilt angles or engine could
be damaged or unit could tip.
Do not move or operate unit where it could
tip.
°
°
OM-247 969 Page 17
Fuel
Capacity
11.5 gal
(43.5 L)
°
30
°
30
907 473−7