Tweco PAK Master 150XL - Manual (Page 14)

INTRODUCTION & DESCRIPTION 2-2 Manual 0-2864
2.03 Specifications/Design Features
A. Power Supply Specifications
The following specifications apply to the Power Supply
only:
1. Front Panel Controls
• ON/OFF, RUN/SET and STANDARD/LATCH
Switches
• Output Current Control
• Work Cable Connection
• Torch Leads Connection
2. Front Panel LED Indicators
• AC
• TEMP
• GAS Pressure/Coolant Flow
• DC Output
3. Rear Panel
• Primary Input Power Cable Strain Relief
• Plasma Gas Supply Connection
• Plasma Gas Regulator/Filter Assembly with Gas
Pressure Gauge and Pressure Adjustment
• Secondary Gas Supply Connection
• Secondary Gas Regulator/Filter Assembly with Gas
Pressure Gauge and Pressure Adjustment
4. Input Power (see NOTES)
208/230/460 VAC (±10%), 50/60 Hz, Three-Phase
220/380-415 VAC (±10%), 50/60 Hz, Three-Phase
575 VAC (±10%), 50/60Hz, Three-Phase
NOTES
Refer to Appendix 1 for suggested input wiring
size, current ratings and circuit protection require-
ments.
Units using 575 VAC input power require instal-
lation of Optional 575V Transformer Assembly.
5. Output Power
Continuously variable from 30 to 120 amps (±5%)
6. Duty Cycle (see NOTE)
NOTE
The duty cycle will be reduced if the primary in-
put voltage (AC) is low or the DC voltage is higher
than shown in the chart.
Ambient
Temperature
104° F
(40° C)
104° F
(40° C)
Duty Cycle 60% 100%
Current 120 Amps n/a Amps
DC Voltage 128 vdc n/a vdc
Power Supply Duty Cycle
7. Cut Capacity on Carbon Steel
• Genuine Cut Capacity: 1-1/2 inch (38 mm)
• Severance Cut: 1- 3/4 inch (44 mm)
• Pierce Rating: 5/8 inch (15.9 mm)
8. Pilot Circuitry
Capacitive Discharge (CD), Pulsed DC
9. CNC Interface Signals
Start/Stop and OK-To-Move
10. Coolant Pressure
Internal Service Adjustable (Factory Only)
130 psi (8.8 bar) at zero flow
120 - 125 psi (8.2 - 8.5 bar) at 0.6 gpm (2.3 lpm)
11. Coolant Flow Rate
0.5 gpm (1.9 lpm) with 150 feet (45.7 m) of total torch
and torch leads at 70°F (21°C)
NOTE
The flow rate varies with lead length, torch con-
figuration, ambient temperature, amperage level,
etc.
12. Cooling Capacity
4,000 to 10,000 BTU
NOTE
Maximum value based on “free flow” condition.
13. Coolant Reservoir Capacity
2 gallons (Use Thermal Arc ® coolant only)
Capable of handling a total of 150 feet (45.7 m) of
torch lead length
14. Overall Dimensions
Height: 45-3/8 inches (1.2 m)
Width: 24-1/2 in (0.6 m)
Depth: 35 inches (0.9 m)