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Lincoln Factory Demo AC-225 Stick Welder - U1170

SKU: U1170
$675.00 $790.00
Financing / Leasing Available

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The Lincoln Factory Demo AC-225 Stick Welder delivers smooth arc performance, versatile electrode compatibility, and easy operation, ideal for carbon steel, stainless steel, and cast iron welding projects.

Overview

The Lincoln Factory Demo AC-225 Stick Welder - U1170 is a dependable, easy-to-use machine that delivers a smooth AC arc for welding a wide range of metals including carbon steel, stainless steel, low alloy steels, and cast iron. Designed with simplicity in mind, the AC-225 is a go-to choice for home workshops, maintenance crews, and repair professionals looking for consistent, high-quality welds in a compact footprint.

This unit comes equipped with an attached 6 ft. (1.8 m) power cable and a factory-installed NEMA 6-50P plug, making setup fast and straightforward. The welder features a full-range selector switch that spans from 40 to 225 amps, giving you full control over the welding current and ensuring a consistent arc every time. This smooth arc performance allows the use of various electrode types, including mild steel, low hydrogen, stainless steel, and hardfacing electrodes, adapting easily to your specific project needs.

With its 225 amp AC output, the AC-225 handles up to 3/16 inch general-purpose mild steel electrodes and 5/32 inch specialty rods. Built to last and compliant with major safety and quality standards, this machine is NEMA rated, UL listed, and ULCSA approved—giving you confidence in both safety and durability. Compact yet powerful, the AC-225 is the ideal solution for reliable stick welding across a wide range of applications.

Key Features
  • Factory-attached 6 ft. (1.8 m) input power cable and NEMA 6-50P plug for easy installation.
  • Full-range selector switch (40–225A) provides precise control and consistent arc stability.
  • Delivers a smooth AC arc for clean, reliable welds across carbon steel, stainless, cast iron, and more.
  • Supports 3/16 in. mild steel and 5/32 in. low hydrogen and specialty electrodes.
  • NEMA rated, UL listed, and ULCSA approved for safety and reliability.
  • Compact, durable design ideal for maintenance, repair, and fabrication tasks.

Specifications
Machine Inputs & Outputs
Phase 1: Input Voltage #1 (Voltage/Phase/Hertz) 230/1/60
Phase 1: Rated Output #1A (Current/Voltage/Duty Cycle) 225A/25V/20%
Product Weights & Dimensions
Dimensions (H x W x D) 24 in x 17.25 in x 12 in (610 mm x 438 mm x 305 mm)
Net Weight 96 lbs (43.546 kg)
General Specification
Machines Processes Stick (SMAW)
Input Voltage 230
Input Current 50A
Input Hertz 60
Input Phase 1
Input Power 230/1/60
Output Range 40-225A
Polarity AC
Application
Typical Application Maintenance & Repair
Repair Welding
Warranty
Warranty 3 Years
Reviews
Q&A