Miller Electric XMT 304 CC/CV - Manual (Page 19)

OM-233 045 Page 15
SECTION 4 − INSTALLATION
4-1. Specifications
Rated Welding
Output
Voltage
Range
Amperage
Range
Maximum
Open-Circuit
Voltage DC
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
4-2. 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 6-3), and cooling fan runs.
Wait fifteen minutes for unit to cool.
Reduce amperage or duty cycle be-
fore welding.
NOTICE − Exceeding duty cycle
can damage unit and void warranty.
60% Duty Cycle
Overheating
0
15
A
OR
Reduce Duty Cycle
Minutes
Ref. SA-178 651