The Kaierda – BX1-250-1 is part of the BX1 series of moving-core transformer welders, known for their durability and reliability in industrial environments. Its moving-core design, controlled by a large front handwheel, allows stepless regulation of welding current for precise adjustment.
Equipped with dual-voltage capability (220V/380V), the machine adapts to different industrial power grids. As a three-phase welder, it ensures stable current delivery, reduced fluctuations, and improved efficiency for heavy-duty welding tasks.
With an output current range of 60–250A, the BX1-250-1 is suitable for electrode diameters from 2.5 mm to 5.0 mm, making it versatile for welding low-carbon steel and low-alloy steel. Its rated duty cycle of 35% provides reliable performance for medium-to-heavy industrial applications.
The air cooling system maintains stable operation and prevents overheating during extended use. Despite its industrial build, the welder is equipped with wheels for portability, allowing easier movement around workshops and job sites.
TECHNICAL DETAILS:
| Specification | Details |
| Brand | Kaierda |
| Model | BX1-250-1 |
| Type | AC Arc Welding Machine (Transformer-based, Three-Phase) |
| Rated Input Voltage | 220/380V |
| Frequency | 50 Hz |
| Secondary No-Load Voltage | 65 V |
| Rated Output Current | 250 A |
| Current Range | 60–250 A |
| Rated Working Voltage | 30 V |
| Rated Input Capacity | 18.5 KVA |
| Rated Duty Cycle | 35% |
| Rated Primary Current | 51 A |
| Cooling Type | Air cooling |
| Core Material | Pure copper |
| Insulation Type | Class F |
| Protection Type | IP21S |
| Phases | Three-phase |
| Electrode Compatibility | 2.5 mm – 5.0 mm |
| Applications | Construction, steel fabrication, shipbuilding, machinery repair |
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