News

New decentralised ventilation unit with optional second room connection.

KWL EC 70: New decentralised ventilation unit with second room connection

With the new KWL EC 70, we are launching a compact, decentralised ventilation solution that can do more: Thanks to the optional second room connection, the unit can be used flexibly in entire residential units.

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The Helios +black collection has been expanded to include the DLV 125 design ventilation valve.
Right on target: ELS, MiniVent M1/100 and now also DLV
We are expanding our successful +black collection with the DLV 125 design ventilation valve, which is now available not only in classic white, but also in elegant black.
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Impulse fan IVRW EC 225: Maximum performance with minimum height.
Impulse Fan IVRW EC 225: Maximum Performance. Minimum height.
We present our new IVRW EC 225 impulse fan - the smart solution for efficient ventilation of garages and industrial applications with low ceiling heights.
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BIM Data for Helios products
Discover the new Helios BIM library
We have expanded our digital services and now offer you an extensive BIM (Building Information Modelling) data library for download..
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Installer in the bathroom uses the new app for the Helios ELS NFC
The new ELS NFC – 33 seconds to make it yours
We take mono tube ventilation systems to the next level: With the new ELS NFC, you can choose the variant with your desired comfort function from just 5 models.
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ultraSilence ELS and MiniVent M1/100
Our classics in black design: ultraSilence ELS, MiniVent M1/100 and DLV 125
Our classics in black design: ultraSilence® ELS and MiniVent® M1/100. If you envision black for your new bathroom project, we have just the thing for you! Our reliable ventilation solutions for...
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Helios KWL unit with new silencer box
The new FRS silencer box from Helios – quiet flexibility
The new FRS-SDB silencer box is the latest addition to our tried-and-tested flexpipe plus air distribution system, which offers flexible and uncomplicated solution for the installation of...
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Exhibition dates

We are on tour

Experience our latest innovations and highlights from our product range. Or get into conversation with our ventilation experts over a light refreshment. We are represented for you at all important industry meetings throughout the year and look forward to welcoming you at one of our trade fair stands.

Exhibition dates

The next events

light + building

08.03.2026 – 13.03.2026

Frankfurt a. M., DE

AMW 280/2

AMW 280/2

MEDIUM PRESSURE AXIAL FAN 1-PH 230 V, 50 Hz TK speed controllable

Ref.-No. 02255

Features

Medium pressure axial fan with cylindrical duct casing, flanges on both sides, direct driven. Long duct casing from sheet steel, enclosing impeller and motor, flanges on both sides with hole pattern to DIN 24155 Pt.3 Axial impeller with 14 aerodynamically profiled blades from polymers. Dynamically balanced to DIN ISO 1940-1, class 6.3 for low-vibration operation. Totally enclosed, AC condenser motor, maintenance-free, with built-in thermal contacts, speed controllable by voltage reduction, with low-noise sealed for life ball bearings, not reversible.

Technical Data

General Information
Ref.-No.:02255
Type:AMW 280/2
Flow rate free-blowing:3970 m³/h
Speed control:TRAFO / ELECTRIC
RPM:2755 min-1
Number of poles:2
Voltage:230 V , 1 ph , 50 Hz
Rated current (FLC) uncontrolled:3.2/4.3 A
Nominal power:700 W
Max. air flow temperature (controlled):40 °C
Max. air flow temperature (uncontrolled):60 °C
IP protection category:54
PRODUCT_DETAILPAGE_wheel_diameter:280 mm
Weight:15,50 kg
Wiring diagram no.:967,1
Acoustic data
Case breakout 59 dB(A) in 4 m

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Here you will find configuration tools, software updates and current firmware versions for Helios products with manual update function. For our planning, design and product selection software offerings, visit the Helios ToolBox.

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Installation instructions and data sheets

Here you will find installation instructions and data sheets for our fans and accessory components.

Installation instructions and data sheets