ESAB LHF 400 Rectifier
The ESAB LHF 400 is a robust, heavy-duty rectifier designed for manual MMA welding with covered electrodes using direct current. It offers outstanding welding characteristics, making it ideal for high-demand industrial applications. Built to endure tough environments, the LHF 400 ensures reliability and superior performance, with features like hot start, anti-stick, and stepless voltage control for precise settings.
This thyristor-controlled unit is flexible enough to handle both MMA and TIG welding when used with optional TIG add-on units. The LHF 400 features a wide current and voltage range, enabling it to handle a variety of filler materials with ease. Its large wheels make it highly mobile, allowing easy movement in demanding work environments. Equipped with mains voltage compensation, it provides stable welding controls regardless of voltage fluctuations.
Key Features:
- Heavy-duty rectifier designed for MMA welding with direct current.
- Wide current and voltage range, allowing for multiple welding applications.
- Features hot start and anti-stick for improved arc ignition and ease of use.
- Stepless voltage control for precise adjustments during welding operations.
- Mains voltage compensation for stable and reliable welding performance.
- Vertical static characteristics ensure constant current regardless of cable length or arc voltage.
- Large wheels for easy mobility in industrial environments.
Key Industry Applications:
- General Fabrication: Ideal for large-scale fabrication tasks where robust and precise welding is required.
- Construction: Perfect for civil construction projects, offering reliability in demanding work environments.
- Repair and Maintenance: Suitable for heavy-duty repair tasks, ensuring reliable performance in industrial settings.
- Shipbuilding and Offshore: Provides the power and reliability needed for welding in marine environments and offshore projects.
- Power Generation: Designed for the stringent requirements of power generation industries.
Technical Specifications:
| Input Voltage | 400/415/500 V, 3-phase, 50 Hz |
|---|---|
| Duty Cycle | 35%: 400 A, 60%: 315 A, 100%: 250 A |
| Open Circuit Voltage | 80-87 V |
| Power Factor | 0.9 |
| Efficiency | 74% |
| Dimensions | 1310 x 765 x 705 mm |
| Weight | 195 kg |
| Enclosure Class | IP 23 |
| Operating Temperature | -10°C to +40°C |
The ESAB LHF 400 is the go-to rectifier for industries requiring high-quality, high-efficiency welding in tough environments, delivering consistent performance across multiple welding applications.
