RSN7-2500 High Power Drawn Arc Welder (Up to Φ28mm)
The RSN7-2500 stands as a premium, ultra-high-power model in the RSN7 series, specifically developed for the most demanding structural engineering challenges. With a massive 2500A output, it is optimized for high-strength welding of large-diameter shear studs up to 25mm. This machine is the definitive solution for mega-projects, including high-speed railway bridges, skyscraper foundations, and heavy industrial furnaces, where maximum joint integrity and deepest arc penetration are non-negotiable requirements.
- Welding Range: Φ3-28mm
- Welding Current: 200A-2500A
- Input Voltage: 380V (±15%)
- Protection Level: IP23
- Weight: ca 92kg
Φ3-28mm
Welding Range
IGBT Inverter
Energy Saving
100% Duty Cycle
Heavy-duty Ready
Technical Features & Performance Advantages
Ultra-High Power Density: Delivering a consistent 2500A current, the RSN7-2500 provides a concentrated arc that penetrates thicker base metals effortlessly, ensuring a flawless fusion zone for Φ22mm to Φ25mm studs.
Premium Duty Cycle Performance: Engineered with reinforced internal architecture and a high-flow cooling system. It maintains a 100% duty cycle even under extreme workloads, preventing downtime during critical construction phases.
Advanced Arc Physics Control: The proprietary IGBT control logic is tuned for larger molten pools, stabilizing the arc during the long lift-and-drop cycle required for extra-large diameter studs.
Resilient Protection Systems: Beyond the IP23 rating, the RSN7-2500 features heavy-duty insulation (Class F) and vibration-resistant mounting for internal modules, making it a “survivor” on the most rugged and remote job sites.
Adaptive Voltage Compensation: Automatically compensates for the heavy voltage drops associated with high-current welding, ensuring every stud is welded to the exact same high standard regardless of cable length.
Comprehensive Multi-Functionality: This 2500A power source is not just a stud welder; it serves as a high-output station for Carbon Air Gouging and Heavy-Plate Manual Arc welding, offering unmatched value for money.
Steel Structures
Professional stud welding solutions for industrial plants and steel frameworks, ensuring high-strength structural integrity.
Bridge Construction
Reliable welding for shear studs and anchor bolts in bridge engineering, designed for 100% duty cycle in outdoor projects.
High-rise Buildings
Efficiently weld shear connectors for steel floor decks and embedded parts, optimized for high-intensity construction.
Shipbuilding
Perfect for welding insulation pins and outfitting components in shipyards, featuring a compact design for flexible operation.
Peak Efficiency for Mega-Structures
Instant Operator Adaptation: Despite its immense power, the digital interface remains intuitive. A standard operator can be fully productive in 30-60 minutes, significantly reducing the labor cost of highly specialized tasks.
Precision Reproducibility: Locking in digital parameters ensures that every large-diameter weld meets the strict compliance standards of international infrastructure codes.
Maximum Versatility & Surface Tolerance
Extreme Diameter Mastery: Specifically tuned for Φ25mm studs, delivering the torque and shear resistance required for seismic-grade structural designs.
Superior Surface Tolerance: Engineered to weld through light surface contaminants, the RSN7-2500 minimizes the need for grinding and prepping thick-gauge steel plates, saving hours of manual labor.
All-Environment Mobility: Equipped with high-load industrial casters, the unit remains mobile on uneven site floors, bringing 2500A of power exactly where it is needed most.
Technical information
| Parameter | Specification |
|---|---|
| Welding Range | Φ3mm-Φ28mm |
| Welding Current | 200A-2500A |
| Welding Speed | 10-30 Pieces / minute |
| Welding Material | Carbon Steel, Stainless Steel, Aluminum, etc. |
| Input Voltage | AC 3-380V ±15% (50/60Hz) |
| Rated Input Capacity | 85 KW |
| Protection Level | IP23 |
| Weight | ca. 92 kg |
| Welding Time | 0.1S-3.0S |
| External Dimensions | 910mm x 410mm x 465mm |
Explore More Models in RSN7 Series
RSN7-1600
RSN7-2000
RSN7-3150
Compatible Stud Welding Guns for This Series
Ensure peak performance by palring your welding machine with our high- precision manual or automated guns, specificaly enginered for seamless ntegration.
YF-DH-20
YF-DH-22
