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MILLER 907709 120-240VAC MAXSTAR 161S

  • CAD / EA
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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.
  • DC: Unit supplies direct current weld output
  • CC: Unit supplies constant-current weld output
  • 1 Phase: Unit requires single-phase input power
  • 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.
  • 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 jobsite - 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
  • Single amperage range allows operator to accurately set amperage on both 120 or 240V primary power
  • Hot Start™ adaptive control provides positive arc starts without sticking
  • •Low OCV stick is a simple design that reduces the open circuit voltage to 12 to 16V when the welding power source is not in use. This circuit design is now built into the Maxstar 161 S eliminating the need for add-on voltage reducers.
  • Power factor corrected (PFC) for optimum performance especially on 120V - 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.
  • Processes: Stick (SMAW)
  • Comes Complete with: Maxstar 161 S (stick only) power source, 6.5 ft. (2 m) 120 and 240V power cords, stick electrode holder with 13 ft. (4 m) cable and 25 mm Dinse-style connector, and work clamp with 10 ft. (3 m) cable and 25 mm Dinse-style connector.

  • Product details

Part Number
Manufacturer Part Number
Amps Input at Rated Output, 50/60 Hz
14.68 & 23.16
Maxstar® 161 S (only)
10.3” H x 5.6” W x 13.5” D (262 mm x 142 mm x 343 mm)
KVA at Duty Cycle
1.75 & 2.78
1.71 & 2.76
Max Open- Circuit Voltage
48 VDC (12–16 VDC*)
Net Weight
13 lb. (5.9 kg)
Rated Output
110 A at 24.4 VDC¸ 100% duty cycle & 160 A at 26.4 VDC¸ 20% duty cycle
Welding Amp Range
20-90 A
VIEW SDS SDS Sheet for