Hobart Welding Products STELLAR AT OM-180 670Q - Manual (Page 17)

OM-180 670 Page 13
SECTION 3 – INSTALLATION
3-1. Specifications
Rated Welding
Output
Voltage
Range
Amperage
Range
Maximum
Open-Circuit IP Rating
Amperes Input
at Rated Load
Output 50/60 Hz
Output Range Range
Voltage DC
400 V KVA KW
300 A @
32 Volts DC,
60% Duty Cycle
10 – 35 5 – 400 90 23
17.0
(0.15*)
12.4
(0.09*)
11.5
(0.04*)
*While idling
6 Minutes Welding 4 Minutes Resting
3-2. Duty Cycle And Overheating
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 (see
Section 5-3), and cooling fan runs.
Wait fifteen minutes for unit to cool.
Reduce amperage or duty cycle be-
fore welding.
Y Exceeding duty cycle can
damage unit and void war-
ranty.
60% Duty Cycle
Overheating
0
15
A
OR
Reduce Duty Cycle
Minutes
Ref. SA-178 651