Miller MigMatic 300, Руководство пользователя

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OM-251958 Page 8
SECTION 3 − SPECIFICATIONS
3-1. Serial Number And Rating Label Location
The serial number and rating information for this product is located on the back. 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.
3-2. Specifications
.
Do not use information in unit specifications table to determine electrical service requirements. See Sections 4-4 and 4-5 for information on con-
necting input power.
.
This equipment will deliver rated output at an ambient air temperature up to 104
5
F ( 40
5
C).
Model
Rated Output
Max. Open
Circuit
Voltage
Amperage
Range
DC
Dimension (mm)
Weight
(kg)
100% 60% 35%
300*
230/400 VAC
50/60 Hz
180 A
23 V
230 A
25.5 V
300 A
29.0 V
43.5 30-300 A 471 x 825 x 1066 88 Net
Wire feed speed range 1.3 mpm to 26 mpm.
Model
Rated Output
Max. Open
Circuit
Voltage
Amperage
Range
DC
Dimension (mm) Weight (kg)
100% 60% 35%
380*
230/400 VAC
50/60 Hz
210 A
24.5 V
270 A
27.5 V
350 A
31.5 V
43.0 V 30-350 A 471 x 825 x 1066 102.6 Net
Wire feed speed range 1.3 mpm to 26 mpm.
3-3. Duty Cycle And Overheating
Duty Cycle is percentage of 10 min-
utes that unit can weld 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
voltage, or duty cycle before
welding.
NOTICE − Exceeding duty cycle
can damage unit and void warranty.
Overheating
0
15
A or V
OR
Reduce Duty Cycle
Minutes
60% Duty Cycle At 270 Amperes 100% Duty Cycle At 210 Amperes
sduty1 5/95
Continuous Welding
% DUTY CYCLE
6 Minutes Welding 4 Minutes Resting