No products in the cart.
Lincoln K3945-1 Aspect 375 Industrial AC/DC TIG Welder
$9,279.00
The Lincoln K3945-1 Aspect 375 is a premium industrial AC/DC TIG welder delivering up to 375 amps of output, advanced digital waveform control, high-speed pulse functionality, and exceptional aluminum welding performance. Compared with traditional transformer-based TIG machines, it offers significantly lower weight, greater efficiency, and more advanced arc customization, making it one of Lincoln Electric’s most advanced TIG welding platforms for professional fabrication and manufacturing environments.
In Stock
Free Standard Shipping Worldwide
|
US/CA 11–23 · AU 8–17 · Other countries 30–45 business days
Description
The Lincoln K3945-1 Aspect 375 is a premium industrial AC/DC TIG welder delivering up to 375 amps of output, advanced digital waveform control, high-speed pulse functionality, and exceptional aluminum welding performance. Compared with traditional transformer-based TIG machines, it offers significantly lower weight, greater efficiency, and more advanced arc customization, making it one of Lincoln Electric’s most advanced TIG welding platforms for professional fabrication and manufacturing environments.
| Specification | Details |
|---|---|
| Brand | Lincoln Electric |
| Model | Aspect 375 |
| Part Number | K3945-1 |
| Processes | AC TIG, DC TIG, Stick (SMAW) |
| Output Range | 2–375A |
| Maximum Output | 375A AC/DC |
| Duty Cycle | 375A @ 40% |
| Output | at 100% Duty Cycle 300A |
| Input Voltage | 200–600V Auto-Reconnect |
| Input Phase | 1-Phase or 3-Phase |
| TIG Pulse Frequency | Up to 10,000 Hz |
| AC Frequency Range | Adjustable |
| AC Waveforms | Multiple programmable waveforms |
| Protection Rating | IP23S |
You may also like…
The Miller 907728 Multimatic 255 is a high-power industrial multi-process welder built for professional fabrication and production environments. With up to 350A output, wide 208–575V Auto-Line power compatibility, pulsed MIG/TIG capability, and advanced digital controls, it is designed for shops that need maximum versatility and industrial performance in a single machine.-
The Miller 951768 Multimatic 255 (RG + TIG kit) is a fully loaded industrial welding workstation built for professionals who need MIG, Pulsed MIG, Stick, and TIG (including pulsed TIG) with high output and industrial duty cycle. It is best suited for serious fabrication shops and production environments, not portable or hobby use.
-
The Lincoln K3945-1 Aspect 375 is a premium industrial AC/DC TIG welder delivering up to 375 amps of output, advanced digital waveform control, high-speed pulse functionality, and exceptional aluminum welding performance. Compared with traditional transformer-based TIG machines, it offers significantly lower weight, greater efficiency, and more advanced arc customization, making it one of Lincoln Electric's most advanced TIG welding platforms for professional fabrication and manufacturing environments.
-
The Lincoln K4499-1 Power MIG 140 MP TIG One-Pak is a compact 120V multi-process welder that combines MIG, Flux-Core, Stick, and DC TIG welding in a single machine. With the included TIG torch and foot pedal, it offers one of the most complete entry-level welding packages available for homeowners, farm operators, automotive enthusiasts, and hobby fabricators.
-
The Multimatic 235 w/ Running Gear is a serious workshop upgrade machine—it sits in the middle of Miller’s ecosystem as a high-capability shop welder with MIG + TIG + Stick versatility and improved power over the 215/220 line, but still below full industrial 255-class systems.
-
The Miller Multimatic 235 with dual cart and TIG kit is a mid-to-high level shop multi-process welder that improves on the 215/220 line with more output, better duty cycle, and stronger all-around fabrication capability, making it a solid “serious workshop” machine before stepping into full industrial systems.
Related products
-
The Miller 907614 Millermatic 211 Auto-Set is a dual-voltage professional MIG welder built for users who want fast setup, clean welds, and portability. With its Auto-Set technology, smooth inverter arc, and spool-gun capability, it is one of the most user-friendly and reliable MIG welders for automotive, farm, and light fabrication work.
-
The ESAB Rebel EMP 235ic (0558012702) is a 235A dual-voltage multi-process inverter welder capable of MIG, Stick, and DC TIG welding. With its sMIG adaptive control system and rugged portable design, it is built for professional fabrication, repair work, and versatile jobsite welding applications.
-
The Lincoln K4499-1 Power MIG 140 MP TIG One-Pak is a compact 120V multi-process welder that combines MIG, Flux-Core, Stick, and DC TIG welding in a single machine. With the included TIG torch and foot pedal, it offers one of the most complete entry-level welding packages available for homeowners, farm operators, automotive enthusiasts, and hobby fabricators.
-
The Miller 907596 Syncrowave 210 is a professional AC/DC TIG and Stick welder designed for fabricators who want exceptional arc stability, strong aluminum welding performance, and long-term durability. While heavier and less efficient than modern inverter machines, it remains highly valued for its smooth TIG arc quality and industrial-grade reliability, making it a trusted choice for serious welding shops and fabrication environments.
-
The Miller 907627 Diversion 180 AC/DC TIG and Stick Welder is a lightweight inverter-based TIG machine offering true AC capability for aluminum and DC TIG for steel/stainless, plus Stick welding support. It is designed for users who want an easy-to-use, portable, and affordable entry into AC/DC TIG welding, rather than heavy industrial performance.
-
The Lincoln K2535-1 Precision TIG 225 is a professional AC/DC TIG and Stick welder offering 5–230 amps of output, built-in pulse control, advanced aluminum welding capability, and industry-proven transformer reliability. It remains one of Lincoln Electric’s most respected TIG welders for users who prioritize weld quality, durability, and precise AC/DC TIG performance.
Reviews
There are no reviews yet.