OM-263 657 Page 11
SECTION 4 − SPECIFICATIONS
4-1. Serial Number And Rating Label Location
The serial number and rating information for this product is located on the rear. Use rating label to determine input power requirements and/or rated
output. For future reference, write serial number in space provided on back cover of this manual.
4-2. Unit Specifications
.
Do not use information in unit specifications table to determine electrical service requireements. See Sections 5-4 and 5-5 for information on con-
necting input power.
Input
Power
Rated Output
Voltage
Range in CV Mode
Amperage
Range in
CC Mode
Max.
Open-
Circuit
Voltage
RMS Amps
Input at Rated
Load Output,
50/60 Hz
3-Phase at
NEMA Load
Voltages and
Class I Rating
KVA KW
380 V 400 V
3-Phase
350 A at 34
VDC, 60%
Duty Cycle*
10−44 V 10−350 A 78 VDC 27.1 25.9 17.8 15.9
*See Section 4-3 for Duty Cycle Rating.
6 Minutes Welding 4 Minutes Resting
4-3. Duty Cycle And Overheating
Duty Cycle is percentage of 10
minutes 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
minutes for unit to cool. Reduce
amperage or voltage, or duty cycle
before welding.
NOTICE − Exceeding duty cycle
can damage unit and void warranty.
60% Duty Cycle
Overheating
0
15
A or V
OR
Reduce Duty Cycle
Minutes
Ref. 216 568-A
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