Systemair DHS 500E4 Sileo Centrifugal Roof Fan – Horizontal Discharge, 7,280 m³/h, Low Noise, Speed-Controllable, Aluminum Casing

• High Efficiency & Low Noise: 3D-profiled backward-curved impellers deliver 7,280 m³/h airflow at medium pressure with minimal noise.
• Speed-Controllable Motor: External rotor motor allows precise speed adjustment; compatible with frequency converters with sine filter.
• Durable & Coastal-Ready: Aluminum casing and galvanized steel base frame resist corrosion; impellers made from high-performance composite material.
• Motor Protection: Integrated thermal contacts up to size 311, with external leads for larger models, ensure safe operation.
• Maintenance-Free & Reliable: Vibration-damped motor suspension, extensive accessory options, and long-lasting design for trouble-free performance.

The Systemair DHS 500E4 Sileo Centrifugal Roof Fan is engineered for high-performance ventilation in commercial and industrial applications requiring large air volumes at medium pressure with minimal noise. Featuring backward-curved 3D-profiled impellers and a speed-controllable external rotor motor, this fan ensures efficient airflow while maintaining quiet operation. Its robust aluminum casing and galvanized steel base frame provide durability, and it is suitable for coastal environments. Integrated thermal contacts protect the motor from overheating, while vibration-damped mounting reduces operational noise. The DHS 500E4 offers excellent energy efficiency, reliability, and low-maintenance operation, making it ideal for demanding installations.