RSN7 Single-Gun Inverter Stud Welding Machines
Heavy-duty IGBT inverter drawn arc stud welders for structural steel, bridge construction, and industrial fabrication. Four RSN7 models support stud diameters up to Ø32 mm and welding current up to 3150A.
RSN7 Single-Gun Drawn Arc Stud Welders (Ø3-32 mm)
Compare four RSN7 single-gun stud welding machines designed for industrial drawn arc welding. With maximum welding currents from 1600A to 3150A, the series supports stud diameters up to Ø32 mm, depending on the model. Explore the specifications below to select the right machine for your project.
Explore our full range of Inverter Drawn Arc Stud Welders
RSN7 Single-Gun Stud Welding Machine Specifications & Comparison
Compare the RSN7-1600, RSN7-2000, RSN7-2500, and RSN7-3150 single-gun inverter stud welding machines to find the right model for your project. Designed for industrial drawn arc welding, these machines offer welding currents from 200A to 3150A, with different stud diameter ranges and rated input capacities. Review the specifications below to choose a suitable machine for your welding requirements.
| Model | Welding Range | Welding Current | Rated Input | Net Weight |
|---|---|---|---|---|
| RSN7-1600 | Ø3-20 mm | 200-1600 A | 60 KW | 78 kg |
| RSN7-2000 | Ø3-24 mm | 200-2000 A | 70 KW | 90 kg |
| RSN7-2500 | Ø3-28 mm | 200-2500 A | 85 KW | 92 kg |
| RSN7-3150 | Ø3-32 mm | 200-3150 A | 110 KW | 155 kg |
Standard input: Three-phase AC 380V ±15%. Customized voltage options, including 415V, 440V, and 460V, are available upon request to meet different industrial power supply requirements.
Key Features of RSN7 Single-Gun Inverter Stud Welders
IGBT Soft-Switching Technology
IGBT soft-switching technology helps deliver stable arc output and improved electrical efficiency compared with conventional thyristor rectifier machines. Designed for heavy-duty drawn arc stud welding.
Modular IGBT Design
A modular IGBT layout with integrated protection supports reliable operation and simplifies routine inspection, troubleshooting, and maintenance of the RSN7 welding power source.
Automatic Voltage Compensation
Automatic voltage compensation helps stabilize welding parameters during three-phase input fluctuations within the specified range, supporting consistent operation at jobsites.
On-Demand Cooling System
The on-demand cooling fan controls internal heat while limiting unnecessary dust intake, reducing continuous fan operation and supporting reliable performance during routine welding.
IP23 Industrial Protection
An IP23-rated enclosure and protected circuit boards help the machine withstand demanding industrial conditions, with appropriate site protection required for outdoor operation.
Digital Welding Control
Stepless adjustment of welding current and time, together with digital displays for welding settings and input voltage, makes it easier to monitor conditions and fine-tune parameters.
RSN7 Single-Gun Stud Welders for Structural Steel Projects
RSN7 single-gun inverter stud welders are designed for drawn arc stud welding in bridge construction, structural steel fabrication, steel decking, and heavy industrial projects. With stable welding performance and adjustable parameters, the series supports demanding shear stud welding applications. Contact us for a suitable machine configuration and project quotation.
RSN7 Single-Gun Stud Welding Machine FAQs
Get practical answers about RSN7 single-gun inverter stud welding machines, including model selection, three-phase power requirements, compatible welding guns, optional functions, and quotation details.
Start with your stud diameter, stud material, base metal thickness, and required welding current. The RSN7-1600, RSN7-2000, RSN7-2500, and RSN7-3150 offer different welding capacities. Our technical team can help you select a suitable model and welding gun configuration.
The standard RSN7 series uses three-phase AC 380V ±15%. Customized voltage options, including 415V, 440V, and 460V, are available upon request. For generator-powered jobsites, confirm the available power capacity and voltage stability before ordering.
Explore our compatible stud welding guns and stud welding accessories, including welding cables, stud chucks, ferrule grips, and grounding components. Contact us to confirm compatibility with your RSN7 machine and stud diameter.
Yes. The RSN7 series can be customized to support manual arc welding and carbon arc air gouging functions in addition to stud welding. Please confirm these optional functions and their availability for your selected model before ordering.
Please provide your stud diameter and material, base metal thickness, local input voltage, welding gun requirements, preferred cable length, and destination country. Our team will recommend a suitable RSN7 machine configuration and prepare a quotation based on your project requirements.