With 800 Watt the motor F 457 is the most powerful commutator motor. The handy commutator motor in compact design has a very good air cooling and convinces with its low noise level. It is optionally available with an integrated no-volt release that prevents an accidental start and thus guarantees an optimal safety. Additionally, the motor F 457 EL has an easy to handle electronic speed adjustment to regulate the delivery rate.

The F 458 is a compact commutator motor, has an extremely tough housing with double skin in aluminium and is thus very quiet. The motor is completely closed, has a special corrosion-resistant painting and is therefore suitable for use in extreme conditions, even in areas with corrosive vapours.

The motor F 458 EL has additionally an easy to handle electronic speed adjustment to regulate the delivery rate.
The motor F 458-1 is identical with type F 458, but has with 700 watts a much higher performance. This motor is used when a higher capacity is required or when slightly viscous fluids or media with an increased density have to be pumped.