KRD 450/4/70/40 – Helios – SwingOut InlineVent Centrifugal Fan For Rectangular Ducting

KRD 450/4/70/40 – 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.

High-performance radial impeller with backward curved blades made of plastic and galvanized steel. Vibration-free running due to dynamic balancing according to quality level G 6.3 DIN ISO 1940 T.1.

Drive: three-phase external rotor motor, built-in thermal contacts on the clipboard, closed design, speed can be regulated by means of a 5-stage transformer or electronically (continuously), and control by means of a Helios frequency converter with all-pole sine filter is possible, winding with moisture protection impregnation, maintenance-free, sealed, low-noise ball bearings with long-term lubrication. Mains connection to pre-assembled terminal box (IP54).

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KRD – KRD EC