Dimensions and technical details: 230 Volt ~ 50/60 Hertz. Various options available. Heavy duty wall-mounted fans with axial-flow construction. Colour: black. Housing and intake grille made from steel with epoxy coating. High-performance impeller wheel made from nylon material. Ball-bearing asynchronous motor, insulation class F. Protection rating: IP55, protected against water jets. Maximum permissible temperature of transported air: +60°C. Reversible when used with a compatible reversing switch (not included in the delivery). Standard direction of airflow: intake through motor. Ideal for short ducts or direct extraction to the outside. Optional continuously adjustable controller or 5-step controller can be added (sold separately). Model specifications include power in watts, power consumption in amps, nominal diameter in mm, maximum RPM, maximum airflow in m3/h, total pressure in Pa, sound pressure level in dB(A) at 2m, and weight in kg.