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Submerged Arc
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AC-1200
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Advantage Lincoln
NA-4, LT-56
Recommended Wire Feeders
K1276 AC-1200 460/1/60
K1382 AC-1200 440/1/50/60
K1382-1 AC-1200 380/1/50/60
K1382-2 AC-1200 415/1/50/60
• Scott connection taps standard for two AC welding
heads operated in tandem.
• Rheostat adjusts the output settings while welding or
at idle.
• Three output studs with overlapping ranges.
• ±10% input line voltage compensation for maintain-
ing weld consistency.
• Thermostatic protection from current overload and
excessive temperatures.
• Terminal strip for remote control and wire connec-
tions and output studs for welding cables.
• Fuse protected control circuit and 115V AC auxiliary
power circuit.
• Solid state circuitry provides extra long life for
repetitive welding applications.
• Removable side panels for easy access to internal
parts.
• Windings and rectifiers protected against moisture and
corrosive environments.
• UL listed.
• Three year warranty on parts and labor.
• Manufactured under a quality system certified to
ISO 9001 requirements.
www.lincolnelectric.com
E5.70 8/02
MULTI-PROCESS WELDERS
AC
CC
1
PHASE
Description
The AC-1200 is the industry’s leading power source for AC
submerged arc welding. It is a power source that you can
count on day-in and day-out to provide proven performance.
The AC-1200 produces outstanding arc characteristics and is
specifically designed for operation with Lincoln’s NA-4
automatic wire feeder.
Technical Specifications
Dimensions
Product Product Rated Output
(1)
Input Current @ H x W x D Net Weight
Name Number Input Power Current/Voltage/Duty Cycle Rated Output Output Range in.(mm) lbs.(kg)
AC-1200
K1276
K1382
K1382-1
K1382-2
460/1/60
440/1/50/60
380/1/50/60
415/1/50/60
1200A/44V/100%
182A
190A
220A
201A
60HZ:
200-1500A
50HZ:
240-1500A
53.5
(2)
x 22 x 38
(1360
(2)
x 560 x 970)
1570
(712)
(1) NEMA Class I Rated Output / Based on a 10 min. period.
(2) Add 3.69 in (93.7mm) for lift hook.
Automatic Submerged Arc Welding Power Source