RSN7-2500-2 Dual-Gun Inverter Stud Welder (Φ3-28mm) | 2-Operator High Efficiency
The RSN7-2500-2 is a heavy-duty, dual-core inverter stud welding system engineered for high-intensity construction and industrial environments. Featuring advanced independent dual-control technology, this machine allows two operators to work simultaneously without performance interference, effectively doubling your project’s efficiency. With a robust welding range of up to Φ28mm (single gun) and intelligent ±15% voltage fluctuation compensation, the RSN7-2500-2 ensures rock-solid arc stability and consistent fusion quality even in harsh field conditions like bridges, high-rise steel structures, and shipyards.
- Welding Range (Single Gun): Φ3-28mm
- Welding Range (Dual Guns): Φ3-18mm
- Max Welding Current: 2500A
- Input Voltage: 380V (±15%)
- Protection Level: IP23
- Weight: ca 168kg
Max Φ28mm (Single)
Φ3-18mm (Dual Gun)
Dual Core Tech
Two Independent Systems
Double Efficiency
Construction Speed Up 30%
Technical Features & Performance Advantages
Intelligent Voltage Compensation: Built-in adaptive control system that compensates for input voltage fluctuations of ±15%. This ensures a “dead-stable” arc and prevents common welding defects even when using long primary cables or unstable site generators.
Harsh-Environment Reliability: Beyond the standard IP23 rating, all internal control boards feature a thickened triple-proof coating (anti-moisture, anti-dust, anti-corrosion), specifically designed for high-humidity bridge and tunnel projects.
Advanced Soft-Switching Inverter: Utilizing the latest soft-switching technology to achieve higher energy conversion. It reduces power consumption by 30%-40% compared to traditional thyristor rectifiers, lowering operational costs and heat generation.
Dual-Core Independent Control: Equipped with two completely independent power modules. This “dual-engine” design ensures that if one operator pauses, the other’s arc remains perfectly stable, effectively doubling construction speed without power loss.
Foolproof Operation & Quick Setup: Features a simplified control interface with preset parameters. New operators can achieve professional-grade welding results within 20 minutes of training, significantly reducing labor entry barriers.
High-Duty Cycle Cooling System: Integrated with a heavy-duty forced air-cooling tunnel and high-capacity heat sinks, ensuring the machine maintains peak performance during continuous, high-intensity welding shifts.
High-Speed Railway
Optimized for high-speed rail projects where large welding volumes and tight schedules require dual-operator efficiency without power loss.
Skyscraper Construction
The preferred choice for steel deck and column welding in high-rise buildings, supporting continuous, high-intensity operation for two guns.
Large-Scale Bridges
IP23 rugged design for bridge sites with H-class insulation. Welds up to Φ28mm studs; dual-core tech allows two operators to work at once, doubling project output.
Heavy Shipbuilding
Provides maximum penetration and consistent bond strength for thick marine plates, significantly reducing equipment footprint on site.
Technical information
| Parameter | Specification |
|---|---|
| Welding Range (Single Gun) | Φ3mm-Φ28mm |
| Welding Range (Dual Guns) | Φ3mm-Φ18mm |
| Max Welding Current | 2500A |
| Welding Speed | 10-30Pieces/minute |
| Welding Material | Carbon Steel, Stainless Steel, Aluminum, etc. |
| Input Voltage | AC 3-380V ±15% (50/60Hz) |
| Rated Input Capacity | 90KW |
| Protection Level | IP23 |
| Weight | ca. 168 kg |
| Welding Time | 0.1S-3.0S |
| Insulation Level | H |
| Cooling Method | F (Fan Cooling) |
| Energy Efficiency | Saves 30% - 40% electricity compared to SCR welders |
| External Dimensions | 980mm×415mm×750mm |
More High-Efficiency Dual-Gun Stud Welders
RSN7-3150-2
Dual:Φ3-20mm
RSN7-4000-2
Dual:Φ3-24mm
RSN7-5000-2
Dual:Φ3-28mm
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
