

Ref.-No. 08322
Features
Roof fan with EC-technolgy Aerodynamically designed housing made of high-quality polypropylene in grey, diagonal blow-out. Operating range from -30 to +60 °C. Integrated guide vanes for optimum efficiency. For horizontal installation. Mixed flow impeller from aluminium, motor-impeller-unit dynamically balanced. Electronic commutated, DC-external rotor motor with ball bearings for permanent operation. High efficiency also with controlled operation. Maintenance-free and radio suppressed. Stepless control with speed potentiometer P..10 (accessories). In connection with the universal control system EUR EC (accessories), the fan can be used for differential pressure-, differential temperature- or flow velocity regulation.Additional data and accessories
Technical Data
General Information
Ref.-No.: | 08322 |
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Type: | DV EC 250 Eco |
Flow rate free-blowing: | 3580 m³/h |
Speed control: | TRAFO / ELECTRIC |
RPM: | 1640 min-1 |
Voltage: | 230 V , 1 ph , 50 Hz |
Rated current (FLC) uncontrolled: | 1.7 A |
Nominal power: | 390 W |
Max. air flow temperature: | 60 °C |
IP protection category: | 44 |
Insulation class: | B |
PRODUCT_DETAILPAGE_wheel_diameter: | 250 mm |
Weight: | 30,00 kg |
Wiring diagram no.: | 1530 |
Acoustic data
Case breakout | 60 dB(A) in 4 m |
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Quicklinks
Additional data and accessories
Helios Standorte in Europa.

Helios Ventilatoren GmbH + Co KG
Lupfenstraße 8
78056 Villingen-Schwenningen - DE
Tel.: +49 (0) 7720 / 606-0
Fax: +49 (0) 7720 / 606-166
E-Mail:

Helios Ventilatoren Ges. mbH
Siemensstrasse 15
6063 Rum/Innsbruck
Tel.: +43 (0) 512/26 59 88
Fax: +43 (0) 512/26 59 88 – 85
E-Mail:

Helios Ventilatoren AG
Tannstrasse 4
8112 Otelfingen
Tel.: +41 (0)44 735 36 36
Fax: +41 (0)44 735 36 37
E-Mail:

Helios Ventilateurs
9 rue du gibier
67120 Molsheim
Tel.: +33 (0)3 90 40 48 48
Fax: +33 (0)6 78 03 12 50
E-Mail:

Helios Ventilation Systems
5 Crown Gate, Wyncolls
RoadSeveralls Industrial Park
Colchester, Essex CO4 9HZ
Tel.: +44 (0)1206 228 500
Fax: +44 (0)1206 228 501
E-Mail: