Casing
Casing and base frame manufactured from galvanized sheet steel, powder coated RAL 7010; cowl manufactured from seawater resistant aluminium.
Motor
Voltage controllable external rotor motors.
Impeller geometry
Impeller blades with bionic shape are manufactured from high efficiency composite material.
Output control
Three phase version that can be switched between D/Y connection for two speeds.
Motor protection
Motor protection via integral thermal contacts with external leads for connection to a motor protection switch.