Chicago Electric Welding

Flux 125 Welder

The Flux 125 Welder gives you the benefit of wire welding without the hassle of gas

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Product Overview

Get the benefit of wire welding without the hassle of gas. The Flux 125 Welder is a versatile flux core arc welder (FCAW) specifically designed to use self-shielding flux-cored welding wire. This eliminates the need for gas and regulators that normal MIG welders require. Set-up is easy for gasless flux-cored welding. With variable speed wire control and thermal overload protection, this flux wire welder provides dependable performance in a compact, lightweight package. The Flux 125 welder can weld mild steel from 18 gauge up to 3/16in. thick which makes it ideal for jobs around the yard, shop or house.

  • Includes everything you need to weld right out of the box
  • The perfect welder for outdoor use and on dirty metals
  • Output up to 125 amps
  • Best in class duty cycle: 90A AC @17V, 20%
  • Shielding gas NOT required….no need to buy gas bottles or regulators
  • Trigger activated gun prevents accidental arc flash
  • Compact, portable and lightweight…weighs just 38lbs!
  • Continuous wire feed speed control for optimal welding performance
  • Built in overload protection to prevent overheating


63582, 63583
Chicago Electric
Input Voltage
Accessories Included
Flux core gun with 6ft. long cable, ground clamp with 6ft. long cable, spare contact tips, hand-held face shield, wire brush / chipping hammer combo, spool of flux core wire
Amperage (amps)
Duty cycle
90A AC @17V, 20%
Maximum amperage output (amps)
Minimum amperage output (amps)
Open Circuit Voltage
Product Height
14-1/4 in.
Product Length
14-3/8 in.
Product Weight
38 lbs.
Product Width
8-1/4 in.
Shipping Weight
37.30 Lbs.
Thermal Overload Protection (y/n)
Weldable metals
Mild, low alloy steel (not suitable for aluminum or stainless steel)
Welding capacities
18 gauge to 3/16 in. thick (0.047” – 0.187”)
Wire Size
0.030 in. (0.8mm), 0.035 in. (0.9mm)
CA Residents
Warning - Prop 65 Info
Note: Specifications are approximate and subject to change


We guarantee this product to be free from defects in materials and workmanship 90 days from the date of purchase. Limitations apply.