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  • Light industrial products are suitable for the home hobbyist or occasional user. They are designed to be easy to operate, are affordably priced and typically have a 20% duty cycle and rated output of 230 amps or lower.
  • Auto-line: The Auto-Line circuit boosts primary power to a higher, constant voltage. Even if incoming voltage varies widely, the circuit ensures a rock-steady welding or cutting arc.
  • 1 Phase: Unit requires single-phase input power.
  • DC: Unit supplies direct current weld output.
  • CC: Unit supplies constant-current weld output.
  • Auto-Line allows for any input voltage hookup (120 to 240 V) with no manual linking, providing convenience in any job setting. Ideal solution for dirty or unreliable power.
  • Portable in the shop or at the job site. At 13 pounds, the handle/shoulder strap allows the end user to easily move from location to location.
  • Fan-On-Demand™ power source cooling system operates only when needed, reducing noise, energy use and the amount of contaminants pulled through the machine.
  • Thermal overload protection helps prevent machine damage if the duty cycle is exceeded or airflow is blocked.
  • Digital meter for more precise control when presetting or monitoring welding amperage.
  • Simple-to-use operator interface providing only the necessary controls in a compact machine.
  • Lift-Arc™ provides TIG arc initiation without the use of high frequency.
  • Built-in gas solenoid eliminates the need for a bulky torch with a gas valve.
  • Full function remote control for precise amperage control for critical welds on thin materials (6-pin fingertip or foot control available).
  • Selectable trigger configuration allows the operator to choose standard or 2T trigger method to meet the application.
  • Low OCV stick is a simple design that reduces the open-circuit voltage to 12–16 volts when the welding power source is not in use.
  • This circuit design is now built into the Maxstar 161 eliminating the need for add-on voltage reducers.
  • Hot Start™ adaptive control provides positive arc starts without sticking.
  • Power factor corrected (PFC) for optimum performance especially on 120 volts - reduces nuisance breaker tripping.
  • Stick-Stuck detects if the electrode is stuck to the part and turns the welding output off to safely and easily remove the electrode. Menu selectable.
  • Superior stick arc performance even on the difficult-to-run electrodes like E6010.
  • Additional STH model features: Pro-Set™ eliminates the guesswork when setting weld parameters. Use Pro-Set when you want the speed, convenience and confidence of preset controls. Simply select the feature and adjust until Pro-Set appears on the display. High-frequency for non-contact arc initiation that reduces tungsten and material contamination Pulse. Pulsing can increase puddle agitation, arc stability and travel speeds while reducing heat input and distortion.
  • Processes: Stick (SMAW), Lift-Arc™ TIG (GTAW), High-frequency TIG (GTAW)*, Pulsed TIG (GTAW-P)* *STH model only.
  • Comes Complete with: Maxstar 161 power source, 6.5 ft. (2 m) 120-volt and 240-volt power cords, Stick electrode holder with 13 ft. (4 m) cable and 25 mm Dinse-style connector, Work clamp with 10 ft. (3 m) cable and 25 mm Dinse-style connector, One air-cooled TIG torch connector, Handle/shoulder strap, and Quick-reference guide.
  • TIG/Stick Package Comes Complete with: Maxstar 161 power source, 6.5 ft (2 m) 120-volt and 240-volt power cords, X-CASE™ - provides protection in transport and storage, Remote fingertip control, Weldcraft™ A-150 12.5 ft (3.8 m) TIG torch with connector, Stick electrode holder with 13 ft. (4 m) cable and 25 mm

  • Product details

Part Number
Manufacturer Part Number
Amps Input at Rated Output, 50/60 Hz @ 240 V
9.35 & 15.05
Amps Input at Rated Output, 50/60 Hz @ 5–130 A
14.61 & 22.6
Dimensions (Imperial)
10.3 in (H) x 5.6 in (W) x 13.5 in (D)
Dimensions (Metric)
262 mm (H) x 142 mm (W) x 343 mm(D)
KVA at Duty Cycle @ 120 V, 15 A
1.75 & 2.73
KVA at Duty Cycle @ 240 V
2.24 & 3.62
2.12 & 3.49
KW@120 V, 15 A
1.70 & 2.70
Maximum Open-Circuit Voltage
48 VDC (12–16 VDC*) *Sense voltage for Stick and Lift-Arc TIG.
Net Weight
13 lb. (5.9 kg)
Rated Output @ 5–130 A
90 A at 13.6 VDC¸ 100% duty cycle and 130 A at 15.2 VDC¸ 30% duty cycle
Rated Output @ 5–160 A
110 A at 14.4 VDC¸ 100% duty cycle & 160 A at 16.4 VDC¸ 20% duty cycle
Welding Amp Range
5–130 A & 5–160 A
Welding Mode
VIEW SDS SDS Sheet for