Miller Spectrum 2050 User Manual

OM-2228 Page 12
6 Minutes Cutting 4 Minutes Resting
4-2. Duty Cycle and Overheating
Duty Cycle is percentage of 10
minutes that unit can cut at rated
load without overheating.
If unit overheats, thermostat(s)
opens, output stops, and cooling
fan runs. Wait fifteen minutes for
unit to cool. Reduce amperage or
duty cycle before cutting.
NOTICE − Exceeding duty cycle
can damage unit and void warranty.
Three-Phase Input Power:
60% Duty Cycle
Overheating
0
15
A
OR
Reduce Duty Cycle
Minutes
duty1 4/95
Single-Phase Input Power:
50% Duty Cycle
5 Minutes Cutting 5 Minutes Resting
4-3. Cutting Speed
The cutting speed curve shows the
recommended maximum cutting
speed capabilities of the power
source and torch for mild steel,
aluminum and stainless steel of
various thickness.
NOTICE − Exceeding recommended
cutting speeds will cause rapid
erosion of the tip and electrode.
. Cutting speed is approximately
10 inches per minute at 0.875
in. (22 mm) mild steel thickness
at max setting/tip saver mode.

Miller Spectrum 2050 Specifications

General

Input Voltage	208/230/460 V
Weight	70 lbs (31.8 kg)
Dimensions	20.5 in. x 12.5 in. x 13.5 in.
Duty Cycle	60% at 55 Amps
Input Phase	1-Phase
Input Hz	50/60 Hz
Input Power	208/230/460 V
Processes	Plasma Cutting