Home / All / Welding Equipment / Submerged Arc Welders / High-Strength Welding with Minimal Distortion - Topwell Subarc Series
High-Strength Welding with Minimal Distortion - Topwell Subarc Series
High-Strength Welding with Minimal Distortion - Topwell Subarc Series
| Categories | Submerged Arc Welders |
|---|---|
| Brand | TOPWELL |
| Model | ARC-1250PLUS |
| Input Voltage | 3PH ~ 400V ±15% |
| Rated Output(40℃) 100% | 1000A/50V |
| Download |  |
| Update Time | Sep 23,2025 |
Detail Information
DETAILS
Submerged Arc System
Increase Productivity, Quality and Flexibility
Overview of Topwell Subarc system
| Item No.
| DC series | XD series |
| Available Material
| Unalloyed and low alloy steels
| Unalloyed and low alloy steels
Nikel-based alloys |
| Available wire diameter
| 2.0-6.0mm
| 1.2-6.0mm |
Wire feed control technology | CC | CC/CV use arc voltage sensing technology |
Processes
• SAW
• SMAW
• CAC-A
Applications
• Structural Steel
• Process and Power Generation
• Wind Tower Fabrication
• Heavy Equipment
• Offshore
• Pipe Fabrication
Topwell's submerged arc welding (SAW) system comprises two specialized series, engineered to address both heavy industrial thick-plate welding and the challenges associated with more precise energy management in thin-plate and nickel-based alloys welding applications. These systems are suitable for the fabrication of corrosion-resistant pressure vessels, wind power generation components, H-shaped steel, and pipeline construction.
With arc voltage feedback technology, Topwell’s SAW system ensures stable arc performance with minimal operator involvement, delivering consistent and repeatable weld results for critical applications across a broad range of material thicknesses and long-seam welding requirements.
Topwell’s SAW systems support seamless automation with versatile IoT interfaces, enabling users to unlock advanced capabilities and enhance flexibility in modern industrial manufacturing.
Advanced Features and Benefits
Precision Energy Control for Thin Plates and Nickle-based Alloy Welding
In constant voltage mode, welding current is precisely regulated to support high-precision welding processes. This allows for the use of welding wires as fine as 1.2mm, producing high-integrity welds on thin-gauge sheet metal. The system also delivers superior performance in welding nickel-based alloys, maintaining stability even at elevated temperatures and providing exceptional oxidation resistance. Through accurate control of linear heat input, the heat-affected zone is minimized, thereby reducing distortion and mitigating the risk of cracking.
Hardfacing with High Deposition and Aesthetic Formation
• Produces consistent, high-strength weld seams;
• Attains 60–80% deposition efficiency for material savings;
• Avoids hydrogen cracking and porosity formation;
• Decreases grinding and eliminates extra passes.
Ready for IoT Connection
Versatile IoT interfaces, including communication, sensor, user interaction and power supply interfaces, allows unlimited possibility of interconnections, so as to meet the needs of modern industrial production.
User- friendly Controller
Topwell offers controllers with user-friendly panel, automation interface, memory function and build-in self-protection system.
Optional Tractors
AT-5
AH-6
Optional Welding Head
SPECIFICATIONS
|
System
|
ARC-1000PLUS
|
ARC-1250PLUS
| |
|
Input Voltage
|
3 phase 380V/415V/460V/500V/575V ±15% |
3 phase
380V/415V/460V/500V/575V
±15% | |
Rated Output Current/Voltage
| 1000A/50V
| 1250A/50V
| |
Duty Cycle
| 1000A/100%
| 1250A/100%
| |
Output Range | CC Mode | 100-1000A
| 100-1250A |
CV Mode | 20-50V
| 20-50V
| |
Output | DC | DC | |
Process | SAW surfacing | YES | YES |
Various position wedling | YES | YES | |
Material
| Mild Steel
Nikel-based alloys
Stainless steel | Mild Steel
Nikel-based alloys
Stainless steel | |
Welding thickness
| Thin (4mm) to thick plates
| Thin (4mm) to thick plates
| |
Efficiency welding
| Multi-layer
multi-pass welding | Multi-layer
multi-pass welding | |
Wire Feed Speed
| 1-11mpm for φ1.2-4.0mm
0.5-7mpm for φ2.0-6.0mm | 1-11mpm for φ1.2-4.0mm
0.5-7mpm for φ2.0-6.0mm | |
Demension (H x W x D in mm)
| 960 x 420 x 1100 | 960 x 420 x 1100 | |
Net Weight (kg)
| 150 | 150 | |
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