Section 4 − Installation; Specifications; Duty Cycle And Overheating - Unitor UPC 838 Manuel De L'utilisateur

4-1. Specifications

Input
Model/Rated
Volts @
Output
50/60 Hz,
3 Phase
380
UPC 838
80 A @ 112 80 A @ 112
Volts DC, 60%
Duty Cycle
440

4-2. Duty Cycle And Overheating

6 Minutes Cutting
Overheating
OM-202 515 Page 12
SECTION 4 − INSTALLATION
Amperes
@ Rated
KVA KW
Cutting
Capacity
21.6 14.21 13.50
19.3 14.71 13.9
Three-Phase Input Power:
60% Duty Cycle
0
Minutes
Rated Cutting Type of
Capacity Output
7/8 in
Direct
(22 mm)
At 10 IPM Current,
Straight Straight
7/8 in
Polarity
(22 mm)
(DCEN)
At 10 IPM
4 Minutes Resting
15
Reduce Duty Cycle
Maximum
Plasma Gas
Open-Circuit
Voltage DC
Air Or Nitrogen Air Or Nitrogen
Only
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.
A
OR
350 350
duty1 4/95