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3-1. Specifications
Rated Welding
Ampere
Model
Output
Range DC
450 A @
450
38 Volts DC,
25−450 A
35% Duty Cycle
3-2. Duty Cycle and Overheating
500
450
400
350
300
250
200
150
35% Duty Cycle At 450 A
3.5 Minutes Welding
Overheating
OM-236 031 Page 8
SECTION 3 − INSTALLATION
Max
IP
Open-Circuit
Rating
Voltage DC
80 V
IP22
0
10
20
30
40
% Duty Cycle
6.5 Minutes Resting
100% Duty Cycle At 450 A
Minutes
Amperes Input at
Rated Load Output,
50/60 Hz, Three-Phase
230 V
400 V
72 A
42 A
50
60
70
80
90 100
6 Minutes Welding
Continuous
Welding
0
15
Reduce Duty Cycle
Dimensions
KVA/KW
Weight
L x W x H
29/17
170 kg
1100 x 620 x 700
Duty Cycle is percentage of 10 min-
utes that unit can weld 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 welding.
NOTICE − Exceeding duty cycle
can damage unit and void warranty.
60%Duty Cycle At 350 A
4 Minutes Resting
A or V
OR
(mm)
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