We've reimagined the axial fan

Meet the C-series.
Find out more

The C-series fans are compact, quiet, and highly efficient, ideal for applications with low to medium static pressure.

Perfect for dry coolers, condensers, chillers, and cooling towers.

Sizes

800—1560 mm

Internal rotor motors

AC/EC

Frequencies

50 Hz
60 Hz

EC fans

Internal
or external drive

Ecodesigned from the start

Ready for ErP2026 — both EC and AC

AC fans

VFD operation supported

the technology behind our EC fans

Crafted in-house, our proprietary EC technology is tailored to your unique needs. It’s the genius behind our 800, 910, and 1000-mm C-series EC fans. Simplicity, robustness, and modularity, all built on a foundation of well-tested and proven components.
Precision engineering
Network ready
Effortless software
Accessible design
Seamless connectivity
Plug & play components
Our aerodynamic expertise ensures the drive's cooling fins dissipate heat to support high temperature operation. Precision engineering at its finest.
The 3-phase 380–480 V drive supports multiple different distribution systems including TN, TT, IT, and corner grounding. Equipped with Modbus RTU (RS485) and 4 configurable IO ports, it offers flexible integration and control
Our open MODBUS protocol is like a chameleon - we can adjust it just for you. It's plug and play, with software updates distributed via MODBUS. Plus, it features a logging function for seamless service and troubleshooting.
We know installation and service are crucial, so we've maximized the lid and made the cable connections removable for your convenience.
Easily daisy chain power and connection of up to four cables. Connectivity has never been this straightforward.
If anything goes wrong, the drive is independently replaceable.  – ensuring readiness for the ESPR Plug and play – it’s that simple.

EC or AC, performance runs in the family

the C-series' EC and AC versions
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C-Series EC Overview
C-Series 50 Hz Overview
C-Series 60 Hz Overview

Find your c-series fan

Use our quick lookup tool to find the optimal fit for you.

Not just EC! Our AC fans are ready for ErP2026, too

The C-series' EC and AC versions are both ready for ErP2026.

ErP2026 is subset of ESPR (Ecodesign for Sustainable Products Regulation),a European Union directive designed to promote the sustainability of products by integrating environmental criteria right from the design phase. ESPR sets stricter performance requirements, new requirements with respect to repairability, and requirements on fan performance at different loads and speeds.
Optimized fan grids
Aerodynamically optimized on all sizes. Combined grid and motor support for 800-, 910-, and 1000-mm fans with motor on the blowing side.
Square, round or none
In-house designed housing produced to fit your application. Square or round plates in sheet metal or stainless steel. Or if you prefer, no housing at all.
Great impellers
The efficient EMAX and SP9 impellers deliver market-leading performance for 800- and 910-mm fans. On larger fans, you get our proven workhorse, the magnificent W-series impeller.
Internal rotor motor
You will find Multi-Wing’s internal rotor motor on all C-series fans. On 1,000-mm and smaller fans, it’s extremely compact. Always robust, powerful and IP55 as standard. Intelligent drive for EC versions – integrated or externally placed.

designed for greatness as standard

IP55
AC -30°C to +65°C EC -40°C to +65°C
CE, UKCA and UL certifications
Ready for ErP2026 (ESPR ecodesign)

Application-specific packages: From tough to even tougher

Cooling tower package
For relative humidity up to 95%
Seashore package
C5 Medium protection for motor and impeller
Low-temperature package
For start-up at -40°C to 50°C
Offshore package
C5 Medium protection for motor and impeller, plus stainless steel casing and support
High-temperature package (for AC)
Operation -20°C to 80°C
IP66 package
Motor ingress protection rating increased to IP66
Inverter package
Reinforced insulation for use with fan inverter
Food industry low-temperature package
Stainless steel casing and support, start-up -40°C to 50°C
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One-stop swap

We believe in keeping things simple and efficient for our customers, so the C-series axial fans offer a unique feature of individual serviceability. Flexibility to service and replace parts such as the drive, motor, impeller, casing, and grid as per your requirements. Moreover, the C-series can be had with an integrated drive that can be easily removed and replaced, eliminating the need to replace the entire motor. This design enhances the fan’s longevity and user-friendliness, making it a practical choice in the market.

Maximum reliability

C-series fans are perfect fits for data centers

C-series applications

Optimal for the following
Condensers
Evaporators
Adiabatic coolers
Cooling towers

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