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Compact orange TIG welder with front control panel and handle

Miller Enterprises

Miller Enterprises Maxstar 161 STL TIG Welder 110/115/120V AC

SKU CH-TKS4-YFA0P

TIG and stick welder for steel and stainless up to 3/16 in thickness with 20–160 A output on 110/115/120 V single-phase power

  • Product typeTools
  • TIG welds stainless and steel up to 3/16 in thick
  • Handles thin sheet down to .020 in with precise DC output
  • Dual-process capability adds 160 A stick welding on the same unit
  • Runs on standard 110/115/120 V single-phase household power
  • Weighs only 16 lb for easy transport to any job site

Maxstar 161 STL TIG Welder

The Miller Electric Maxstar 161 STL is a DC TIG and stick welding machine that runs on 110, 115 or 120 V single-phase power. It suits hobbyists and light-fabrication shops working on stainless steel or mild steel up to 3/16 in thick.

Single-phase 120 V input limits

The unit draws a maximum of 23.16 A at 120 V, so a standard household circuit may trip if other loads share the breaker. Output ranges from 20 A to 160 A for stick welding, and the minimum steel thickness is 0.020 in, ruling out very thin sheet work.

Portable inverter, simple setup

Weighing little and needing only a 120 V outlet, the inverter-based design makes it easy to move between jobs. The main installation issue is ensuring the supply circuit can sustain the peak input current without nuisance tripping.

How it compares

Measured against everything we stock in Welding Equipment & Positioners, at today’s prices. Recalculated every night.

Price $2,855.99
Pricier than about 93% of the 1,978 comparable items (median $50.99).

Specifications

Product
Brand nameMILLER ELECTRIC
Product typeTools

Questions about this item

Which Maxstar 161 STL version should I pick for 110, 115 or 120 volt supply?

The Maxstar 161 STL runs on single-phase 110, 115 or 120 volt AC at 50 or 60 Hz, drawing up to 23.16 amps at 120 volts, so the same unit covers all three voltages.

What does the 160 amp stick rating mean when I am actually welding?

You can set stick output from 20 to 160 amps, letting you weld steel up to 3/16 inch thick and as thin as 0.020 inch on a standard household circuit.

What does the single-phase 120 volt input cap in practice?

Single-phase 120 volt input limits the machine to 160 amps maximum stick output and 23.16 amps input draw, so it runs on a normal household breaker without special wiring.

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