The Kaierda – BX1-630-1 belongs to the BX1 series of moving-iron transformer welders, widely used in heavy fabrication and industrial environments. It is engineered for manual welding of black metals with electrodes such as J506, and can also be adapted for certain submerged arc welding applications.
Despite its heavy weight, the machine is equipped with wheels for portability, making it easier to move within workshops or construction sites. Its pure copper core ensures efficient conduction and durability, while the air cooling system maintains stable performance during extended use.
With an adjustable current range of 135–630A, the BX1-630-1 provides flexibility for different material thicknesses and welding requirements. Rated for 380V industrial input, it is suitable for integration into heavy-duty power grids.
A properly maintained welding machine ensures stable current transfer, reduced spatter, and consistent weld quality, while regular inspection prevents overheating and prolongs service life.
TECHNICAL DETAILS:
| Specification | Details |
| Brand | Kaierda |
| Model | BX1-630-1 |
| Type | AC Arc Welding Machine (Transformer-based) |
| Rated Input Voltage | 220/380V |
| Frequency | 50 Hz |
| Secondary No-Load Voltage | 76 V |
| Rated Output Current | 630 A |
| Current Range | 135–630 A |
| Rated Working Voltage | 44 V |
| Rated Input Capacity | 52.5 KVA |
| Rated Duty Cycle | 35% |
| Rated Primary Current | 132 A |
| Cooling Type | Air cooling |
| Core Material | Pure copper |
| Insulation Type | Class F |
| Protection Type | IP21S |
| Portability | Equipped with wheels |
| Applications | Construction, manufacturing, steel structures, shipbuilding, heavy fabrication |






