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OTC MR-400
DC welding machine with digital control and IC-Thyristor technology, up to 400A current, perfect for precise welding on various metal types.
产品规格
IC-Thyristor DC Arc System
OTC DAIHEN® MR-400
OTC MR-400 DC Arc Welding Machine
Industrial Strength • 400A Thyristor-Controlled Platform
OTC MR-400 is a high-performance DC arc welding machine designed for precision and efficiency in demanding industrial applications. Incorporating advanced IC-Thyristor technology, the MR-400 ensures exceptional arc stability and minimal spatter, resulting in high-quality, consistent welds across a wide range of conductive metals.
Key Features
- Advanced IC-Thyristor Technology: Provides a remarkably stable arc and reduces spatter, directly enhancing overall weld quality.
- Digital Control System: Enables precise, repeatable adjustment of welding parameters for consistent industrial results.
- Arc Drive Control: A standard feature that actively prevents electrode sticking, facilitating smoother operation.
- Constant Current Characteristics: Engineered to maintain a stable, steady welding current throughout the operation.
Operational Advantages
- Enhanced Productivity: High 400A output and a 60% duty cycle support long, uninterrupted welding shifts.
- Usability: Optional remote control box facilitates easy setting of welding conditions directly at the work site.
- Durability: Rugged, industrial-grade construction ensures reliable performance in the most demanding work environments.
- Operator Safety: Built-in protection features safeguard both the equipment and the welder during intensive use.
Technical Specifications
| Parameter | MR-400 Rating |
|---|---|
| Rated Output | 400 A |
| Current Range | 40 – 400 A |
| Rated Duty Cycle | 60% |
| No-load Voltage | 65.0 V |
| Weight | 148 – 151 kg |
Infrastructure Requirements
| Specification | Detail |
|---|---|
| Input Voltage | 220V / 380V / 415V (3-Phase) |
| Protection Class | IP21 |
| Dimensions (WxDxH) | 400 x 607 x 770 mm |
| Breaker Capacity | 75A (220V) / 50A (380V/415V) |
Target Industrial Applications
The MR-400 is ideal for high-duty cycle requirements in:
Metal Fabrication
Reliable steel and stainless welding for workshops.
Automotive
Precise chassis and component assembly.
Construction
Structural steel assembly for infrastructure.
Shipbuilding
Heavy-plate welding for marine structures.
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