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Performance Data
FUEL CONSUMPTION CURVE
3.00
2.75
2.50
WELD AND AIR
2.25
2.00
1.75
1.50
WELD ONLY
1.25
1.00
0.75
0.50
IDLE
IDLE WITH AIR
0.25
0.00
0
50 100 150 200 250 300 350 400 450 500 550 600
DC WELD AMPERES AT 100% DUTY CYCLE
AIR SUPPLY CURVE
140
120
100
80
IDLE
60
40
20
0
0
10
20
30
40
50
CFM
VOLT/AMP CURVE – MIG MODE
100
90
80
70
60
MAX
50
40
30
20
MIN
10
0
0
100 200 300 400 500 600 700 800 900 1000
DC AMPERES
VOLT/AMP CURVE – AC TIG MODE
100
80
60
40
20
0
0
100
200
300
400
500
AC AMPERES
The Vault
Superior Circuit Board Design
Miller's critical circuit boards are engineered
to carry low power and low heat to reduce
thermal stress and minimize expansion and
contraction. In contrast, our competitor's
boards carry high power and high heat , making
them more vulnerable to failure.
"The Vault" Makes Upgrading to Miller CC/CV
Units Worry-Free
Concerns with circuit board reliability have
resulted in some operators steering clear of
CC/CV welder/generators — even though they
GENERATOR POWER CURVE OPTION
280
260
240
220
200
180
0
10
20
VOLT/AMP CURVE – STICK MODE
100
80
60
40
20
0
60
70
0
100 200 300 400 500 600 700 800 900 1000
VOLT/AMP CURVE – DC TIG MODE
100
80
60
40
20
0
0
100
200
BATTERY CHARGE OUTPUT
50
45
40
35
30
25
20
15
10
5
0
600
700
0
100 200 300 400 500 600 700 800 900 1000
offer a superior arc and multiple welding
processes. Miller's circuit board reliability isn't
a concern since all PRO 300 and Big Blue
multiprocess industrial engine drives feature
the Vault.
Created out of two aluminum halves sealed
with silicone, as well as watertight harness
connections, the Vault provides a clean circuit
board environment, protecting the electronics
— and controlling output — in heavy industrial
applications. No other competitor protects their
electronics with a sealed vault, leaving critical
12 kW
1-PHASE
20 kW
3-PHASE
30
40
50
60
70
AC AMPERES
Ingersoll-Rand Rotary Screw Air
Compressor
This industrial grade compressor, has a life
expectancy of 30,000 hours, is belt driven and
300–Max
utilizes an electric clutch control to allow the
185–525
125–400
compressor to be turned off if not needed.
55–125
This design increases efficiency, reduces fuel
consumption and saves you money at the
pump. An automatic belt tensioner provides
proper belt tension even after years of service.
DC AMPERES
The compressor is protected by a high
temperature shutdown switch.
60–450
40–330
30–220
20–110
and easy brush and slip ring inspection.
300
400
500
600
Brushes can be removed and/or replaced
DC AMPERES
in a matter of seconds.
DC AMPS
circuit boards exposed to harsh elements that
can disrupt the machine's electronics, and
therefore, its operation.
Toolless
Generator
Brushes
100% copper-
wound
generator
features quick
3
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