WISTRO GmbH

External fan units for asynchronous
and direct current motors

above size 63

High volume flow though flow-optimised design
Small number of versions thanks to multi-voltage design 230V (single-phase) to 575V (three-phase)
Various connection possibilities, e.g. terminal box, plug or cable
Modular system for various applications
Short size through use of internal intake space
EMC-compliant
Very good vibration resistance due to robust sheet-metal/die cast housing
Galvanized sheet metal, seawater-resistant die cast alloy
IECEx/ATEX versions
Versions for ambient temperatures down to -40° C
Versions suitable for use in the food industry
cURus certified
Consistent IP66 protection for all versions

above size 63

High volume flow though flow-optimised design
Small number of versions thanks to multi-voltage design 230V (single-phase) to 575V (three-phase)
Various connection possibilities, e.g. terminal box, plug or cable
Customised adaptation of housing
Short size through use of internal intake space
EMC-compliant
Very good vibration resistance due to robust sheet-metal/die cast housing
Galvanized sheet metal, seawater-resistant die cast alloy
IECEx/ATEX versions
Versions for ambient temperatures down to -40° C
Versions suitable for use in the food industry
cURus certified
Consistent IP66 protection for all versions

up to 300 mm diameter

Multifunctional use industrial fan /axial fan
High volume flow
Small number of versions thanks to multi-voltage design 230 V (single-phase) to 575 V (three-phase)
Very good vibration resistance due to robust sheet-metal/die cast housing
Seawater-resistant die cast alloy
Versions for ambient temperatures down to -40° C
Versions suitable for use in the food industry
cURus certified
Consistent IP66 protection for all versions

We can realise your special requirements.

Customers' requirements, which cannot be met with our standard range are implemented as special solutions. These include, e.g. housings with radial air intakes or special ventilation applications..
On principle: we examine all customer's requirements with regard to feasibility and technical and economic aspects. The facility to produce our own prototypes ensures rapid implementation.

Matched applications for your requirements.

We offer tailor-made applications for our product in order to cater for the requirements of the installation location.
Whether you need a rain shield, an additional terminal box for connecting a brake and/or encoders, or wish to use the WISTRO connection system/plug system - our accessories provide the solution.

Product development, prototype construction with DIN-compliant measuring.

In addition to our range of products, we also provide a range of services with the following features:

Product development in close cooperation with customers
Prototype construction
Determination of product-specific data such as volume flow and noise levels by means of DIN-compliant measuring equipment
Motor temperature measurements