SAW 1250HD
The SAW 1250HD is a fully digital, high-power Submerged Arc Welding (SAW) system built for large-scale industrial fabrication. Featuring a 100% duty cycle at 1250A and advanced IGBT inverter technology, this machine delivers reliable performance for heavy-duty applications like shipbuilding, pressure vessels, and alloy surfacing. The system includes a welding tractor with track support, intelligent dual-side current balancing, and analog controls with digital displays for current, voltage, and travel speed.
Available in Pack: Includes inverter power source with control box, welding tractor with control box, 2 earth clamps with 6 m cable, 2 welding power cables (10 m), 1 signal control cable (10 m), and 2 welding tracks.
Key Features
- 100% duty cycle at 1250A for uninterrupted industrial use
- CV and CC mode switch for flexible process selection
- Intelligent current/voltage balancing on both output sides
- Energy-saving mode after 5 minutes of idle operation
- Emergency stop and startup protection circuitry
- Presettable current, voltage, and travel speed
- Compatible with multiple wire diameters
- Digital displays for voltage, current, and speed
- Generator-friendly and inverter powered
Industries
- Shipbuilding & Offshore
- Pressure Vessel & Boiler Manufacturing
- Bridge & Crane Fabrication
- Metallurgical Machinery
- Pipe & Section Manufacturing
- Alloy Surfacing (wear & corrosion resistant)
Processes
- SAW (Submerged Arc Welding) – Automatic
- CV / CC Modes (Selectable)
Additional Details
- Designed for multi-pass welds requiring consistent heat and deposition rate.
- Best results when operated with integrated tractor and dedicated SAW wire feed setup.
- Ensure proper ventilation and grounding for continuous 1250A output.
- Store in a cool, dry place.
- Refer TDS for more information.
Product Details
| Parameter | Specification |
| Input Voltage | 3P – 415V ±15% |
| Frequency (Hz) | 50/60 |
| Rated Input Capacity (kVA) | 63.01 |
| Rated Input Current (A) | 82.6 |
| Welding Output Voltage (V) | 92 |
| No-load Power Loss (W) | 200 |
| Output Current Range (A) | 250–1250 |
| Output Voltage Range (V) | 20–44 |
| Efficiency | 85% |
| Insulation Class | F |
| Protection Grade | IP23 |
| Dimensions (mm) | 825 × 451 × 1040 |
| Weight (kg) | 123.4 |
