cutmaster 39
INSTALLATION 2-2 Manual 0-4976
2.04 Power Supply Specifications
CutMaster 39 Power Supply Specications
Input Power (See Note 1) 120 VAC (± 10%), Single-Phase, 50/60 Hz
208 - 230 VAC (± 10%), Single-Phase, 50/60 Hz
Power Sensing Automatic Voltage Selection. See Note 1.
Input Power Cable
Cable with NEMA L6-20P plug, for use with one of two adapters provided,
120V/15A with NEMA 5-15P plug or 240V/20A with NEMA 6-50P plug
Output Current 20-30 Amps, continuously variable
Power Supply Gas Filtering Ability Particulates to 20 Microns
CutMaster 39 Power Supply Duty Cycle (Note 2)
Ambient Temperature 104° F (40° C)
Duty Cycle 35% 60%
DC Voltage 78 vdc 89 vdc
Current 30 Amps 22 Amps
SL 60 Torch Gas Requirements
Gas Type Compressed Air
Gas specications Clean, dry, oil-free (Note 3)
Maximum Input Gas Pressure 125 psi / 8.6 bar
Operating Gas Pressure 65 psi / 4.5 bar
Gas Flow Requirements 300 scfh / 141.5 lpm
Notes
1. Power supply accepts 120-230 VAC input power. No manual switching is required.
2. Duty Cycle is the percentage of time the system can be operated without overheating. Duty cycle is
reduced if primary input voltage (AC) is low or the DC voltage is higher than shown in this chart.
3. Air supply must be free of oil, moisture, and other contaminants. Excessive oil and moisture may
cause double-arcing, rapid tip wear, or even complete torch failure. Contaminants may cause poor cutting
performance and rapid electrode wear. Optional lters provide increased ltering capabilities.
NOTE
IEC Rating is determined as specified by the International Electro-Technical Commission. These specifications
include calculating an output voltage based upon power supply rated current. To facilitate comparison between
power supplies, all manufacturers use this output voltage to determine duty cycle.
TDC Rating is determined using an output voltage representative of actual output voltage during cutting with
a TDC torch. This voltage may be more or less than IEC voltage, depending upon choice of torch, consumables,
and actual cutting operation.
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