Miller Auto-Line XMT 350 OS Manual del usuario - Página 15
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3-1. Specifications
Input
Power
Rated Output
3-Phase
350 A at 34
VDC, 60%
Duty Cycle
1-Phase
300 A at 32
VDC, 60%
Duty Cycle*
*See Section 3-2 for Duty Cycle Rating.
3-2. Duty Cycle And Overheating
Overheating
SECTION 3 − INTRODUCTION
Amperage
Voltage
Range in
Range in CV Mode
CC Mode
10−38 V
5−425 A
60% Duty Cycle
6 Minutes Welding
0
Minutes
RMS Amps Input at Rated Load Output,
Max.
60 Hz 3-Phase at NEMA Load Voltages
Open-
and Class I Rating
Circuit
208 V
230 V
Voltage
75 VDC
40.4
36.1
60.8
54.6
4 Minutes Resting
15
OR
Reduce Duty Cycle
400 V
460 V
575 V
KVA
20.6
17.8
14.1
14.2
29.7
25.4
19.9
11.7
Duty Cycle is percentage of 10 min-
utes that unit can weld at rated load
without overheating.
If unit overheats, output stops, a
Help message is displayed and
cooling fan runs. Wait fifteen min-
utes for unit to cool. Reduce amper-
age or voltage, or duty cycle before
welding.
.
Single Phase Operation: The
unit is supplied with a 8 AWG
power cord. The rated output
with 8 AWG is 300 amps, 32
volts at 40% duty cycle. To
achieve 60% duty cycle
change cord to 6 AWG.
NOTICE − Exceeding duty cycle
can damage unit and void warranty.
A or V
Ref. 216 568-A
OM-244 642 Page 11
KW
13.6
11.2