KRD EC 500/80/50 B – Helios – SwingOut InlineVent Centrifugal Fan For Rectangular Ducting
Rectangular EC-centrifugal fan with backward curved impeller and swing out motor and impeller unit, for in-line installation in rectangular ducting.
Casing made from galvanised steel and flanged on both ends, compact design, service friendly (cleaning) through swing out motor and impeller unit.
Centrifugal, backward curved impeller made from polymer. Dynamically balanced for low noise operation. Aerodynamically optimised, intake air flow by means of inlet nozzle.
Energy-saving, speed controllable EC-external rotor motor with highest efficiency, protection to IP 54.With ball bearings, maintenance-free and interference-free. Integrated electronic temperature monitoring for EC motor and electronics. Stepless speed control with potentiometer or stepless speed control with universal control system EUR-EC. Electrical connection via standard terminal box (IP 54), which is mounted with a permanently attached cable.