Tweco 300 Ultra-Cut - Manual (Page 18)

Manual No. 0-4819 Ultra-Cut 300 2-2 SPECIFICATIONS
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
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-07234
Torch
Coolant Supply
Coolant Return
Control Cable
Coolant Supply
Coolant Return
Plasma Gas
Shield Gas
Fiber
Optic
Cable
Control
Cable
Gas Control
Module
300-A
Power
Supply
Torch
Valve
Assembly
Positioning Tube
Plasma Gas
Preflow Gas
Water Shield
Shield
Shield Gas
Negative Leads
Control Cable
Pilot Return Pilot Return
Work Cables
Shield
25’ / 7.6 m Maximum Length 125’ / 38.1 m Maximum Length
175’ / 53.3 m Maximum Length