Miller Electric XMC 4000 - Manual (Page 13)

OM-221 694 Page 9
SECTION 3 − INSTALLATION
3-1. 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 23C
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 5-5), 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