The mobile and self-driven Kjellberg automat KA 1-UP can be used for single wire welding of plane sheets and inner tubes. The submerged-arc welding automat is available in three versions: for a maximum wire diameter of 3 mm, 5 mm and as steerable version. The latter is especially designed for fillet and butt welds on conic components like windmill towers. Pipe inside welding is possible with a diamter of 1500 mm or more. The KA 1-UP automats can be easily and flexibly adapted to any welding task. Nominal values for welding current, arc voltage and welding speed can be pre-selected in coordination with the power source. The integrated automatic ignition and automatic burn-free fiunctions guarantee an optimum welding process. Start-up phase and end crater filling phase are separately adjustable. Equipped with laser pointers and infinitely configurable distance rolls for profiles, webs and flanges, the KA 1-UP automats offer professional conditions for precise seam tracking and a high degree of automation. The speedometer-driven carriage with all-wheel drive can be operated with three different track widths. Track wheels are an optionally available extra for all carriages. They guarantee a constant distance to the workpiece.