The multi-process Power Wave® S500 is packed with Lincoln Electric performance technology and innovation. Built to be the best in class advanced process welding machine, the Power Wave® S500 features advanced welding waveforms optimized to provide the highest quality arc for nearly any application.
Compare With K2904-1 - Full 5 Year Factory Warranty
The Lincoln Power Wave S500 represents the pinnacle of welding technology, delivering unparalleled precision and versatility for industrial applications requiring superior weld quality. This advanced multi-process welder combines cutting-edge digital controls with Lincoln Electric's proprietary waveform technology to optimize arc performance across a wide range of materials and thicknesses. The system's modular platform allows for complete customization to specific welding requirements, enabling operators to configure the perfect setup for their unique production environment. With its industrial-grade build quality and IP23 rating, the Power Wave S500 withstands demanding shop conditions while maintaining consistent performance.
Engineered for the modern manufacturing environment, the Power Wave S500 integrates seamlessly with Lincoln Electric's suite of production monitoring and quality assurance tools. The standard Ethernet connectivity enables access to Power Wave Manager software for remote configuration and diagnostics, while Lincoln Electric Checkpoint® production monitoring provides real-time weld data analysis for quality control processes. The revolutionary Tribrid® Power Module delivers exceptional welding performance with high power factor and efficiency, reducing operational costs while improving weld quality. Featuring patented PowerConnect® Technology, the S500 automatically adapts to input power variations from 200-600V, ensuring consistent welding output regardless of power supply fluctuations. Additional features like the innovative Surge Blocker™ Technology in the auxiliary power receptacles and intelligent fan control system further demonstrate Lincoln Electric's commitment to creating the most advanced and user-friendly welding equipment available for industrial applications.
- Modular Platform - Allows for system customization to your welding needs. Modules can be stacked directly beneath power source for clean and convenient configuration whether stationary or on a cart.
- Advanced Connectivity and Control - All Power Wave® systems come standard with access to Lincoln Electric Power Wave® Manager and Lincoln Electric Checkpoint® Production Monitoring allowing for advanced remote configuration, process control, and quality assurance.
- Compact and Durable - IP23 rated to withstand harsh environments.
- Patented PowerConnect® Technology - Automatically adjusts to input power from 200-600V, 50 or 60 Hz, single phase or three phase. Welding output remains constant through the entire input voltage range.
- Tribrid®Power Module - Exceptional welding performance with high power factor and efficiency.
- 115V (10A) AC Duplex Auxiliary Power Receptacle - Features patent-pending Surge Blocker™Technology to ensure simultaneous welding performance is not compromised by high starting current devices such as grinders (typically requiring 60A or more peak surge current).
- Smart Fan Operation - Only runs when needed to minimize noise and energy consumption.
| Dimensions (H x W x D) | 22.5 in x 14.0 in x 24.8 in (571 mm x 355 mm x 630 mm) |
| Net Weight | 150 lbs (68.04 kg) |
| Data Technologies | Ethernet |
| Machines Communication Technology | ArcLink |
| Amphenol Pins (type of connector) | 5 |
| Input Voltage | 200/208,220/230/240,380/400/415,460,575 |
| Input Current | 3PH/40% - 80/73/41/37/29A,3PH/100% - 60/54/30/27/21A |
| Input Hertz | 50,50/60,60 |
| Input Phase | 3 |
| Input Power | 208/230/380/415/460/575/3/50/60 |
| Mode Icon | CC/CV |
| Output Range | 5-550A DC |
| Polarity | DC |
| Warranty | 5 Years Parts and Labor |
The Power Wave S500 Advanced Process supports MIG (GMAW) and flux-core (FCAW) welding as primary processes. Multi-process models in this family may also support Stick (SMAW) and DC TIG (GTAW). Check the spec sheet for full process compatibility for your specific unit.
Most Lincoln Electric MIG welders in this class accept .023", .030", and .035" solid wire, and .030"–.045" flux-core wire. Some heavy-duty models accept up to .052" wire. Always refer to the owner's manual for the wire size and drive roll requirements specific to your model.
Duty cycle and output amperage vary by model. Lincoln Electric MIG welders in this range typically offer 100–350+ amps of output. Duty cycle at maximum output is listed in the spec sheet — higher-tier industrial models run at 60–100% duty cycle at rated amperage for continuous production welding.
Input power requirements depend on the specific model. Smaller MIG welders (140–215A class) typically run on single-phase 120V or 240V. Larger industrial machines (260A and above) may require single-phase 240V or three-phase 208/230/460V. Check the spec sheet for the exact input power requirements for your unit.
Yes — this is a factory demo or low-hour unit sourced directly from Lincoln Electric. Units may show light cosmetic wear but are mechanically sound and have been tested before sale. The warranty on this unit is the same as on a new machine. Lincoln’s Industrial Limited Warranty (form IMWS1, Apr-2026) lists a 5-year warranty period for “Power Wave® machines”, and Lincoln states: “Lincoln will assume both the parts and labor expense of correcting defects during the warranty period.” Source: Lincoln Electric Industrial Limited Warranty (form IMWS1, Apr-2026).
For solid wire MIG welding, a 75% Argon / 25% CO2 (C25) mix is the most common choice for steel. 100% CO2 is also used for cost-sensitive applications. Flux-core wire can be run with or without shielding gas depending on the wire type. TIG welding (if supported) requires 100% Argon. Always confirm gas requirements in the owner's manual.