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OM-202 515 Page 12
SECTION 4 − INSTALLATION
4-1. Specifications
Input
Model/Rated
Output
Volts @
50/60 Hz,
3 Phase
Amperes
@ Rated
Cutting
Capacity
KVA KW
Rated Cutting
Capacity
Type of
Output
Plasma Gas
Maximum
Open-Circuit
Voltage DC
UPC 838
80 A @ 112
380 21.6 14.21 13.50
7/8 in
(22 mm)
At 10 IPM
Direct
Current,
Straight
Air Or Nitrogen
350
80 A @ 112
Volts DC, 60%
Duty Cycle
440 19.3 14.71 13.9
7/8 in
(22 mm)
At 10 IPM
Straight
Polarity
(DCEN)
Air Or Nitrogen
Only
3
5
0
4-2. Duty Cycle And Overheating
Duty Cycle is percentage of 10 min-
utes that unit can cut at rated load
without overheating.
If unit overheats, thermostat(s)
opens, output stops, and cooling
fan runs. Wait fifteen minutes for
unit to cool. Reduce amperage or
duty cycle before cutting.
Y Exceeding duty cycle can
damage unit and void war-
ranty.
Overheating
0
15
A
OR
Reduce Duty Cycle
Minutes
duty1 4/95
Three-Phase Input Power:
60% Duty Cycle
6 Minutes Cutting 4 Minutes Resting