Industrial-grade MIG welding torches for high-amperage continuous production. SQTB 200 / 350 / 500 / 600 — air and water cooled configurations. Available in 3M, 4M, and 5M cable lengths.
The PNA SQTB series is MK Enterprises' heavy-duty industrial torch range engineered for sustained high-amperage welding in demanding production environments. From 200A light industrial to 600A super heavy-duty water cooled configurations, the SQTB range covers every production welding requirement.
Air Cooled — Light Industrial
Air Cooled — Medium Industrial
Water Cooled — Heavy Industrial
Water Cooled — Super Heavy Duty
| Model | CO₂ Rating | Mixed Gas | Duty Cycle | Wire Size | Cooling | 3M Part | 4M Part | 5M Part |
|---|---|---|---|---|---|---|---|---|
| SQTB 200 | 200A | 180A | 60% | 0.6–1.0 mm | Air | SQTB200-3M | SQTB200-4M | SQTB200-5M |
| SQTB 350 | 350A | 300A | 60% | 0.8–1.2 mm | Air | SQTB350-3M | SQTB350-4M | SQTB350-5M |
| SQTB 500 | 500A | 450A | 100% | 1.0–1.6 mm | Water | SQTB500-3M | SQTB500-4M | SQTB500-5M |
| SQTB 600 | 600A | 550A | 100% | 1.2–1.6 mm | Water | SQTB600-3M | SQTB600-4M | SQTB600-5M |