Section 3-Installation; Specifications; Duty Cycle - Miller XMT 304 Owner's Manual

3-1.
Specifications
SECTION 3-INSTALLATION
Rated Welding
Output
Voltage
Range
(CC/CV
Models
Only)
Amperage
Range
Maximum
Open-Circuit
Voltage DC
IP Rating
Amperes Input
at
Rated Load
Output 50/60 Hz
460V
KVA
I
KW
I
300A @
32 Volts DC,
60% Duty Cycle
1035 5400 90 23
18.5
(0.15*)
14.9 11.4
(0.09*)
I
(0.041
I
*While
idling
3-2. Duty Cycle
And
Overheating
S
~
- - - - -
-
~aJ
4~
(I)
Id
~3W
2~O
< 225
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 cyde be
fore welding.
IJ ~ 2] 2530 40 ~~70~~1W
ZDUTY CYcLE
A Exceeding duty cycle
can
damage unit and void
war
ranty.
60% Duty Cycle
6 Minutes Welding
Overheating
4 Minutes Resting
A
Ret. SA-1 78651
OM-193 084 Page 13