06 specifications & electrical requirements, 07 system component layout, Ultra-cut 300 – Tweco 300 Ultra-Cut(March 2013) User Manual
Page 18

SPECIFICATIONS
2-2
Manual No. 0-5134
ULTRA-CUT 300
2.06 Specifications & Electrical Requirements
Max OCV (U
0
)
380 vdc
Minimum Output Current
10 Amps
Max Output Current
300 Amps
Output Voltage
60 - 230 vdc
Duty Cycle Rating
100% @ 300A, 180V, (54kW),
Ambient Temperature
for Duty Cycle Rating
104F° (40°C)
Operating range
14°F to 122°F (-10°C to + 50°C)
Power Factor
0.70 @ 300 A DC Output
Cooling
Forced Air (Class F)
Ultra-Cut 300 Specifications & Design Features
Input
Power Input Current Suggested Sizes (See Note)
Voltage
Freq.
3-Ph
3-Ph
Fuse (Amps)
Wire (AWG)
(Volts)
(Hz)
(kVA)
(Amps)
3-Ph
3-Ph
208
50/60
74
206
260
#3/0
230
50/60
72
181
230
#2/0
400 (Incl. CE)
50/60
75
109
135
#3
460
50/60
89
112
150
#2
600
50/60
78
77
100
#4
Line Voltages with Suggested Circuit Protection and Wire Sizes
Based on National Electric Code and Canadian Electrical Code
Ultra-Cut 300 Power Supply
2.07 System Component Layout
Primary power
Work
CNC
Remote
Arc
Starter
Art # A-09124_AC
Torch
Coolant Supply
Coolant Return
Control Cable
Pilot
Return
Coolant Supply
Coolant Return
Plasma Gas
Shield Gas
Work Cable
DMC-3000
Gas
Console
Ultra-Cut
Power
Supply
DPC-3000
Gas
Control
Positioning Tube
Plasma Gas
Marking
Shield
Shield Gas
Negative
Pilot
Return
Control Cable
100’ / 30.5 m Maximum Length
Shield
H
Q
R
U
S
A
B
C
D
E
P
K
L
O
I
J
G
175’ / 53.3 m Maximum Length
Preflow
Fiber Optic
L
Water Shield
T
F
125’ / 38.1 m Maximum Length
175’ / 53.3 m Maximum Length
Fiber Optic
Control Cable
F
Ground Cable
Only When
DMC Mounted
On Top Of PS
Touch
Screen
Controller
V
W
F1
F1
F
F