Helios Duct fan KRW EC 315/50/25 A
€855.80
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EC centrifugal duct fan with backward-curved impeller blades, for direct installation in rectangular duct systems; fan unit can be swung out.
Housing made of galvanised sheet steel with standardised duct flange profiles on both sides, space-saving design, easy to service thanks to swing-out motor/impeller unit.
High-performance centrifugal impeller with backward-curved plastic blades. Vibration-free operation through dynamic balancing. Aerodynamically optimised, inlet via nozzle.
Driven by an energy-saving, speed-controllable EC external-rotor motor with protection rating IP44 and maximum efficiency. Maintenance-free, radio-interference-free and fitted with ball bearings. Integrated electronic temperature monitoring for EC motor and electronics. Supplied as standard with an internal potentiometer for setting any fan speed between minimum and maximum speed. Infinitely variable speed control with external potentiometer or continuous speed control with EUR-EC universal control system. Connection via standard terminal box (IP54) mounted on the routed cable.
Dokumente
| Degree of protection: | IP 44 |
|---|---|
| Height: | 293 mm |
| Width: | 543 mm |
| Material: | Housing made of galvanized sheet steel; Impeller made of Plastic |
| Duct dimension: | 500/250 mm |
| Airflow rate: | 1210 m³/h |
| Current uncontrolled: | 1.17 A |
| Depth: | 456 mm |
| Installation: | Duct |
| Insulation class: | B |
| Other: | EC-Technologie |
| Permissible medium temperature: | 60 °C |
| Rated frequency: | 50 Hz |
| Rated power: | 0.15 kW |
| Rated speed: | 2740 |