The internally ventilated collector motor FEM 3070 with mains connection has an ergonomic handle for simple one-hand operation. The quick-release coupling is used for easy connection of motor and pump. Due to the mains connection, a very long operating time is possible, in addition the overcurrent protection switch offers a high level of operational safety. Its low weight means minimal effort in a barrel change. In addition, it is storable to save space. The engine is also suitable for filling smaller quantities.