Ruck Roof-mounted centrifugal fan DHA 220 E4 30
€208.85
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Roof-mounted centrifugal fan with backward-curved impeller and horizontal discharge. Housing made of weather-resistant AlMg3 aluminium with very low overall height and hinged fan unit. The discharge side is protected against access, dirt and other foreign objects by a bird and contact-protection grille. Base plate made of galvanised sheet steel with deep-drawn inlet nozzle and pre-installed threaded studs for connecting duct flanges and accessories in accordance with DIN 24154 / EN 12 220. The fan is designed for easy installation on the roof base (available as an optional accessory) without having to remove the housing.
The efficiency-optimised impeller with backward-curved blades is mounted on the rotor of a voltage-controllable external-rotor motor. The impeller and motor are balanced in two planes to quality grade G 6.3 in accordance with DIN/ISO 1940. The drive motor has maintenance-free, permanently lubricated ball bearings, sealed on both sides. Motor protection is provided by thermal contacts integrated into the winding and internally connected in series. Electrical connection is via the cable routed out through the housing base.
CE marking in accordance with the EC Declaration of Conformity for Electromagnetic Compatibility (EMC) – Directive
2004/108/EC. EC Declaration of Incorporation in accordance with Machinery Directive 2006/42/EC – Directive 2009/125/EC (Regulation 1253/2014/EU).
Dokumente
| Degree of protection: | Complet unité: IP X4/ boîtier/boîte à bornes: IP 44 |
|---|---|
| Nominal pipe diameter: | 180 mm |
| Height: | 190 mm |
| Width: | 388 mm |
| Material: | Housing made of aluminium; Impeller made of Plastic |
| Airflow rate: | 349,2 m³/h |
| Controllability: | stepless |
| Depth: | 388 mm |
| Installation: | Roof |
| Insulation class: | F |
| Number of poles: | 4 |
| Rated power: | 0.02 kW |
| Rated speed: | 1400 |
| Sound pressure level: | 62 dB(A) |