The Ruck RS 250L EC K 01 is a compact 250mm inline centrifugal fan designed for efficient air movement in ventilation systems. It features a backward curved impeller and a robust sheet steel housing coated in RAL 7035 powder for durability. The high-efficiency EC motor allows stepless speed control and includes internal electronic temperature monitoring for safe operation. A potentiometer is included for simple connection in the terminal box. This fan is suitable for applications requiring reliable, controlled airflow in a compact design.