DHS Sileo 311EV Roof Fan AC Single Phase 311mm

The Systemair DHS Sileo 311EV is a 311mm centrifugal roof-mounted extract fan delivering up to 1739 m³/h. Its 3D profiled backward-curved impeller and external rotor motor move high air volumes at medium pressure with very low noise, well suited to exhaust ventilation on housing, offices and commercial buildings.The 311EV runs on a single-phase 230V AC motor (EV, 4-pole 2-speed) with horizontal discharge and is fully speed controllable over the voltage. An integral thermal contact with manual reset protects the motor, the aluminium casing suits coastal applications, and it handles air up to 60°C at IP44. 1 Phase AC motor Up to 1739 m³/h Speed controllable Specifications Brand Systemair Model DHS 311EV Sileo Type Roof fan Diameter 311mm Max airflow 1739 m³/h Phase 1 Phase Motor AC Power 134 W Voltage 230V Max temp / IP 60°C / IP44 Manuals & GuidesSystemair DHS 311EV Sileo Datasheet