Manual 0-2972
3-1
DESCRIPTION
SECTION 3: DESCRIPTION
3.01 Scope
The purpose of this section is:
• To familiarize the service technician with the capabilities and limitations of the equipment;
• To provide an overall understanding which will allow the technician, in turn, to properly train customer oper-
ating personnel.
The power supply includes all control circuitry, electrical and air inputs and outputs, pilot circuitry, work cable with
clamp, and
input power cable.
3.02 Power Supply Specifications
Input Power Cable
Output Current
Power Supply Gas
Filtering Ability
Ambient Temperature
IEC
Rating
TDC
Rating
IEC
Rating
TDC
Rating
IEC
Rating
TDC
Rating
Duty Cycle
Current
40 Amps
n/a
25 Amps
n/a
n/a
n/a
DC Voltage
96 vdc
n/a
90 vdc
n/a
n/a
n/a
20 - 40 Amps, Continuously Adjustable
Particulates to 20 Microns
CutMaster 51 Power Supply Duty Cycle *
400 VAC (360 - 440 VAC), Three Phase, 50/60 Hz
460 VAC (414 - 506 VAC), Single Phase, 60 Hz
460 VAC (414 - 506 VAC), Three Phase, 60 Hz
Power Supply includes input cable.
Cable for 208/230V input power includes molded plug.
* NOTE: The duty cycle will be reduced if the primary input power (AC) is low
or the output voltage (DC) is higher than shown in this chart.
Input Power
CutMaster 51 Power Supply Specifications
All Units
40%
60%
100%
40° C (104° F)
208 / 230 VAC (187 - 253 VAC), Single Phase, 60 Hz
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.
