ARC-140 is a rectifier adopting the most advanced inverter technology. welding power source can offer stronger， more concentrated and more stable arc. when stick and work piece get short， its response will be quicker. Specifications: Type: Stick Arc DC Inverter Welder， Supply Power: 110/120-Volt， 50/60Hz. Rated Input Power: 110-Volt/39 Amp， Current Range: 20-140 Amp， Rated Duty Cycle @ 104F(40c): 60% @ 140 Amp， Nominal DC Open Circuit Voltage: 65-Volt， Output Voltage: 25.6-Volt， Usable Electrode: 1/16 in. - 3/16 in. Power Factor: 0.93， Dimension: 12.8 x 5.1 x 9.8 in. Net Weight: 7.7 lbs. Packaging Size: 16.0 x 9.0 x 12.0 in. Packaging Weight: 13 lbs. Packing List: ARC-140 Stick Arc Welding Machine， 7 Feet Power Cord， 10 Feet 200 Amp Electrode Holder Assembly， 10 Feet 200 Amp Work Clamp Assembly， 2 Pieces Electrode of 1/8 in. 2 Pieces Electrode of 3/16 in. Owner's Manual.

Very easy to starting and improvers， simple to operate， Performance is remarkable， LED amperage display， Very solid structure and professional configuration.

Advanced IGBT inverter technology， excellent Arc stability， hot start， anti-sticking， Use on all of generator， also is very perfect.

Automatic compensation for voltage fluctuation， over-voltage protection， under voltage protection， over current protection， over load protection.

60% duty cycle at 140 amps， ensures long time welding， the current range from 20-140 Amp， Very suitable for welding of various materials and projects.

This is optimized to deliver a flawless weld， making spatter and post-weld cleanup almost non-existent. The strength of its components makes this a reliable work tool for professionals or personal use.