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Lincoln Idealarc AC1200 Subarc Welder - K3140-2

SKU: K3140-2
$46,727.70 $49,598.64

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The Lincoln Idealarc AC1200 - K3140-2 is a reliable submerged arc welder with Scott® connection taps, rheostat output control, and enhanced protection for long-lasting, high-quality welding performance.

Overview

The Lincoln Idealarc AC1200 - K3140-2 is a purpose-built automatic submerged arc welding power source specifically designed for seamless integration with Lincoln Electric's NA-4 automatic wire feeder systems. This robust AC power source delivers reliable, consistent performance in demanding industrial environments, making it the preferred choice for operations requiring dependable high-volume submerged arc welding capabilities. With an impressive output range of 200-1500A AC, the AC1200 provides the substantial power needed for heavy fabrication applications while maintaining the precise control essential for quality production welding.

Engineered for operational versatility, the AC1200 features standard Scott connection taps that enable operation of two AC welding heads in tandem, significantly enhancing productivity in high-volume fabrication environments. The system includes a convenient rheostat that allows operators to adjust output settings either during active welding or at idle, providing optimal flexibility for process refinement. Three output studs with overlapping ranges further expand the unit's adaptability across various application requirements. Built-in ±10% input line voltage compensation ensures consistent weld quality despite power fluctuations, while comprehensive thermostat protection safeguards the system against current overload and excessive temperatures.

The AC1200's practical design incorporates features that enhance both functionality and serviceability in industrial settings. Terminal strips facilitate straightforward remote control and wire connections, while dedicated output studs simplify welding cable attachment. Removable side panels provide quick access to internal components for maintenance and service, reducing downtime when adjustments are needed. Internal components, including windings and rectifiers, receive comprehensive protection against moisture and corrosive environments, ensuring reliable performance in challenging industrial conditions. Lincoln's confidence in the AC1200's durability is demonstrated by their seven-year warranty on the power rectifier, making this system an exceptional long-term investment for operations requiring dependable, high-output AC submerged arc welding capabilities.

Key Features
  • Purpose-designed for seamless integration with Lincoln Electric's NA-4 automatic wire feeder systems.
  • Standard Scott connection taps enabling operation of two AC welding heads in tandem for enhanced productivity.
  • Adjustable rheostat for modifying output settings during active welding or at idle for process optimization.
  • Three output studs with overlapping ranges providing application flexibility across various welding requirements.
  • Built-in ±10% input line voltage compensation ensuring consistent weld quality despite power fluctuations.
  • Comprehensive thermostat protection system safeguarding against current overload and excessive temperatures.
  • Convenient terminal strip for remote control and wire connections with dedicated output studs for welding cables.
  • Removable side panels allowing quick access to internal components for maintenance and service.
  • Enhanced protection for windings and rectifiers against moisture and corrosive industrial environments.
  • Industry-leading seven-year warranty on the power rectifier for exceptional long-term investment protection.

Specifications
Product Weights & Dimensions
Dimensions (H x W x D) 62.2 in x 22 in x 38 in (1580 mm x 559 mm x 965 mm)
Net Weight 1636 lbs (742.09 kg)
General Specification
Machines Processes Submerged Arc (SAW)
Input Voltage 380/400/415,460
Input Current 230/201/190/182
Input Hertz 50,50/60,60
Input Phase 1
Input Power 380/415/460/460/1/50/60
Mode Icon CC
Output Range 200-1500A AC
Polarity AC
Machine Technologies & Connections
Machines Communication Technology analog
Wire Feeder Supply Voltage 115VAC
Amphenol Pins (type of connector) Terminal Strip
Work Lead Connector Type Lug
Application
Typical Application Heavy Fabrication
Warranty
Warranty 3 Years
Specifications
FeatureValue
Typical Applications Heavy Fabrication
Processes Submerged Arc (SAW)
Equipment Classification Heavy Industrial
Welding Technology Conventional
Product Height (in) 62.2
Product Height (mm) 1580
Product Width (in) 22
Product Width (mm) 559
Product Length (in) 38
Product Length (mm) 965
Product Weight (lb) 1636
Product Weight (kg) 742.09
Machines Processes Submerged Arc (SAW)
Max Rating 1500
Input Voltage 380/400/415,460
Input Current 230/201/190/182
Input Hertz 50,50/60,60
Input Phase 1
Input Power 380/415/460/460/1/50/60
Mode Icon CC
Output Range 200-1500A AC
Polarity AC
Rated Output 1200A/44V/100%
Downloads
Includes
  • AC-1200 power source
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Q&A