03 specifications & design features, 03 specifications & design features -2 – Tweco 1000 Merlin(Dec2004) User Manual
Page 16

INTRODUCTION
2-2
Manual 0-2708
B. Requirements to Complete System
To complete the system, the user needs to provide the
following:
• Primary Input Power Cable
• Gas Supplies
2.03 Specifications & Design
Features
The following specifications apply to the Power Supply
only:
1. Front Panel Controls
• ON/OFF and RUN/SET Switches
• Output Current Control
• Work Cable Connection
• Torch Leads Connection
2. Front Panel Indicators
• AC
• TEMP
• GAS Pressure/Coolant Flow
• DC Output
3. Gas Control Panel
• Plasma and Secondary Gas Pressure Controls and
Gauges
• Plasma Gas Flowmeter
• Secondary Lo-Flow Gas Flowmeter
• Secondary Mode Selector Switch
• Secondary Water Mist Flowmeter
4. Rear Panel
• Primary Input Power Cable Strain Relief
• Plasma Gas Supply Connection
• Secondary Gas Supply Connection
• Secondary Water Supply Connection
• Dual Stage Air Filter
• CNC Control Connector
5. Input Power (see NOTES)
208/230/240 VAC (±10%), 50/60 Hz, Three-Phase
380-415 VAC (±10%), 50/60 Hz, Three-Phase
460 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 575 V Transformer Assembly.
6. Output Power
Continuously variable from 30 to 100 amps (±5%)
7. 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)
Duty Cycle
100%
Current
100 Amps
DC Voltage
130 vdc
Power Supply Duty Cycle
8. Cut Capacity
Pierce and Production Rating: 1/2 inch (12.7 mm)
9. Pilot Circuitry
Capacitive Discharge (CD), Pulsed DC (See Note)
NOTE
Optional Remote Arc Starter available.
10. CNC Interface Signals
Start/Stop and OK-To-Move
11. Coolant Pressure
Internal Service-adjustable
130 psi (8.8 bar) at zero flow
120 - 125 psi (8.2 - 8.5 bar) at 0.6 gpm (2.3 lpm)