HRFW 250/2 EX
HRFW 250/2 EX
High efficiency axial fan 1-PH, explosion-proof, with guard II 2G Ex h IIB T3 Gb


Ref.-No. 01095
Features
flanges on both ends, directly driven, explosion proof according to ATEX. Cylindrical duct in galvanised sheet steel covering impeller with two flanges on both ends. Dimensions and flange fixing holes to DIN 24155. Terminal box on outer casing. Highly efficient, profiled impeller with 7 blades, dynamically balanced (Class G 6.3 to VDI 2060) and manufactured from impact resistant polymers. Suitable for -30°C to +60°C. Totally enclosed, single-phase condenser motor. Maintenance free with low-noise sealed for life ball bearings. Explosion proof execution according to ATEX.Additional data and accessories
Technical Data
General Information
Ref.-No.: | 01095 |
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Type: | HRFW 250/2 EX |
Flow rate free-blowing: | 1950 m³/h |
RPM: | 2650 min-1 |
Number of poles: | 2 |
Voltage: | 230 V , 1 ph , 50 Hz |
Rated current (FLC) uncontrolled: | 1.23 A |
Nominal power: | 180 W |
Max. air flow temperature (uncontrolled): | 40 °C |
Explosion proof: | |
IP protection category: | 55 |
Insulation class: | F |
PRODUCT_DETAILPAGE_wheel_diameter: | 250 mm |
Weight: | 8,00 kg |
Wiring diagram no.: | 757 |
Acoustic data
Case breakout | 55 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
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