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Lincoln Aspect 375 Ac/Dc Tig Welder K3945-1
Lincoln Aspect 375 Ac/Dc Tig Welder K3945-1 simplifies complex tig welders diagnostics through its rugged engineering and high-fidelity sensor memory for professional-tier results.
- Duty Cycle: 40% @ 375A / 100%
- Amperage Range: 2-375A
- Welding Process: AC/DC TIG, Pulsed TIG, Stick
- Full Model Number: Aspect 375 AC/DC TIG
- Power Source Type: Inverter
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Description
The Lincoln Aspect 375 AC/DC TIG Welder is a premier choice for mission-critical welding in industries like aerospace, automotive, and high-end fabrication. Delivering up to 375 Amps of welding power, this inverter-based machine offers exceptional arc stability and control. Its advanced AC controls allow operators to fine-tune the arc for cleaning or penetration, making it highly efficient for complex aluminum projects and heavy-duty alloys.Equipped with Intellistart technology, the Aspect 375 ensures soft starts on thin materials and hot starts on thicker gauges to prevent contamination. The K3945-1 model features a user-friendly digital interface that simplifies the adjustment of pulse frequency and balance. With its compact design and high duty cycle, this Lincoln TIG welder provides the reliability and precision needed for professional welders who demand the highest quality bead appearance and structural integrity.Lincoln Aspect 375 Ac/Dc Tig Welder K3945-1 Specs
- Brand: Lincoln Electric
- Model: Aspect 375 AC/DC
- MPN: K3945-1
- Process: TIG (AC/DC), Stick
- Input Voltage: 208/230/460/575V, 1/3 Phase
- Amperage Range: 2A – 375A
- Output Type: AC/DC
- Duty Cycle: 60% @ 375A
- Weight: 124 lbs (56.2 kg)
- Dimensions: 20.6 x 11.3 x 24.3 in (523 x 287 x 617 mm)
- Control Interface: Intuitive digital panel with memory settings
- TIG Start Type: High Frequency (HF)
- Water Cooler Compatibility: Yes (optional cooler compatible)
- Pulse TIG: Adjustable Frequency and Balance
- Foot Pedal: Optional (not included)
- Application: Aerospace, Motorsports, Industrial Fabrication, Pipe Welding
- Power Source Type: Inverter
- Included Accessories: Power cord, input cable lugs, quick-disconnect gas connector
- Warranty: 3-Year Manufacturer Warranty
Lincoln Aspect 375 Specs
| Brand | Lincoln Electric |
| Full Model Number | Aspect 375 AC/DC TIG (K3945-1) |
| Country of Origin | USA |
| Welding Process | AC/DC TIG, Pulsed TIG, Stick |
| Power Source Type | Inverter |
| Input Voltage | 200-600V (Auto-Voltage Sensing) |
| Input Phase | Single and Three Phase |
| Rated Output Amperage | 375A @ 25V (3-Phase) / 250A @ 20V (1-Phase) |
| Duty Cycle | 40% @ 375A / 100% @ 250A |
| Amperage Range | 2-375A |
| Open Circuit Voltage (OCV) | 80VDC |
| Wire Feed Speed Range | N/A |
| Electrode/Wire Diameter Range | Up to 3/16" Stick |
| Maximum Material Thickness | 1/2" (12.7 mm) Aluminum/Steel |
| Protection Class | IP23 |
| Insulation Class | Class H |
| Cooling Method | Fan-Cooled (Fan-As-Needed) |
| Net Weight | 105 lbs (47.6 kg) |
| Dimensions | 21" x 11.8" x 24.5" |
| Special Features | Intellistart Technology, AC Waveform Selection (Soft, Crisp, Sinewave), Pulsed TIG (0.1–2000 PPS) |
| Gas Requirement | Ar, Ar/He |
| Arc Ignition Type | HF TIG, Lift TIG, Hot Start Stick |
| Standard Accessories Included | Input Cord |
| Compliance/Certification | ANSI, CSA, NOM |
| Standard Warranty | 3-Year Machine Warranty |
| Application | Aerospace, motorsports, and high-quality precision fabrication. |
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