Miller AlumaPower 450 MPa Manual del usuario - Página 19
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4-1. Features And Benefits
LVCt Line Voltage Compensation is circuitry that keeps the power source output constant regardless of input pow-
er fluctuation.
Wind Tunnel Technologyt circulates air over components that require cooling, not over electronic circuitry, which
reduces contaminants and improves reliability in harsh welding environments.
Fan-On-Demandt cooling system operates only when needed, reducing noise, energy use and the amount of con-
taminants pulled through the machine.
Thermal Overload Protection automatically shuts down the unit, only when necessary to prevent damage to internal
components if the duty cycle is exceeded or air flow and cooling are restricted (see Section 4-7).
Auto Remote Sense enables the unit to automatically sense the connection of a remote control.
Synergic Pulsed MIG Operation allows single knob control of the arc. As wirefeed speed is increased or decreased,
the pulse parameters increase or decrease matching the power output to the wire speed (see Section 6-2).
4-2. Arc Controls
Inductance influences the arc stiffness, bead width and appearance, and puddle fluidity in MIG Welding Mode (see
Section 7-2).
SharpArct optimizes the size and shape of the arc cone, bead width and appearance, and puddle fluidity in Pulsed
MIG Welding Mode (see Section 7-4).
4-3. Serial Number And Rating Label Location
The serial number and rating information for this product is located on the rear panel. Use rating label to determine input power requirements and/or
rated output. For future reference, write serial number in space provided on back cover of this manual.
4-4. Unit Specifications
.
Do not use information in unit specifications table to determine electrical service requirements. See Sections 5-7 and 5-8 for information on con-
necting input power.
.
This equipment will deliver rated output at an ambient air temperature up to 1045F ( 405C).
Input
Rated Welding
Power
Output
Three
450 A @ 36.5 Volts DC,
Phase
100% Duty Cycle
*While idling with fan on
4-5. Dimensions and Weight
Hole Layout Dimensions
A
8-11/16 in. (221 mm)
B
11-3/8 in. (289 mm)
C
15-3/4 in. (400 mm)
D
22-7/16 in. (570 mm)
E
2-3/4 in. (70 mm)
F
3-3/8 in. (86 mm) Dia.
G
1/4-20 UNC 2B Thread
Weight
122 lb (55.3 kg)
.
A complete Parts List is available at www.MillerWelds.com
SECTION 4 − SPECIFICATIONS
Amperage
Voltage
Range
Range
15 − 600
10 − 38
D
C
F
E
Amperes Input At Rated
Maximum
Load Output 50/60 Hz,
Open-
Three-Phase
Circuit
Voltage
DC
380 V
31.8
90
(0.42*)
14.5 in.
(368 mm)
G
A
B
KVA
400 V
380 V
400 V
380 V
29.8
21.0
20.7
18.4
(0.47*)
(0.28*)
(0.32*)
(0.07*)
26.8 in.
(681 mm)
Ref. 277786-A / Ref. 252026-B
OM-257219 Page 13
KW
400 V
18.3
(0.07*)
17.2 in.
(437 mm)