Features

Centrifugal EC-roof fan with horizontal discharge and efficiency-optimised aluminium casing and newly developed high-performance centrifugal impeller. Casing from seawater-resistant aluminium with integrated protection guard. Motor support and base plate with inlet cone from galvanised steel. Base plate with threaded bolts for connection of intake air accessories (hole pattern to DIN 24155, page 3). Bird guard according to DIN EN ISO 13857 on the outlet as standard. High efficiency backward curved centrifugal impeller made from polymers. Dynamically balanced to DIN ISO 1940-1. Energy-saving, totally enclosed, speed controllable EC-external rotor motor IP 54 with highest efficiencies. Ball bearing mounted with moisture protection. Maintenance-free and interference-free. Integrated electronic temperature monitoring for EC-motor and electronics. External terminal box and external isolator IP 65 as standard. Stepless speed control by potentiometer or stepless speed control by universal control system.