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The duct fans in this category feature rectangular duct connections and are available in uninsulated and insulated versions. They have fan wheels with backward or forward curved centrifugal impellers.

The product descriptionTechnical parameters

· Low profile duct fan with circular connections.
· A small and useful duct fan which are perfect for spaces with minimum height clearance.
· With one connection on the inlet side.
· High capacity and efficiency with low sound levels.
· Operational in both 50 and 60 Hz.
· Impeller with backward curved blades.
· The external rotor motor has maintenance-free sealed ball-bearings.
· Integrated motor protection.
· Junction box has enclosure class IP 54.
· For speed control a transformer or electronic speed controller can be connected.
· Fan housing is manufactured from galvanized sheet steel.
· Duct connections are equipped with rubber seals.
· The fan is intended to be installed in a duct system.
· A duct connected fan can be installed outside or in damp environments.
· The mounting brackets simplify installation in any position.

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