SB EC 315 A – Helios – SilentBox Acoustic Line EC – Centrifugal In-line Fan

SB EC 315 A – Helios – SilentBox Acoustic Line EC – Centrifugal In-line Fan

EC Centrifugal fan with sound-absorbing casing.

Casing made from galvanised sheet steel with spigots which fit standard duct sizes. Acoustically lined with abrasive resistant 50 mm thick mineral fibreboard. Removable lid. Easy access to motor scroll and impeller set. Motor and impeller retractable.

Impeller: Energy-saving forward curved centrifugal impeller, housed within an aerodynamically shaped scroll from galvanised sheet steel. Dynamically balanced for low noise operation.

Energy-saving, speed controllable EC-external rotor motor with highest efficiency, protection to IP 54.With ball bearings, maintenance-free and interference-free. Integrated electronic temperature monitoring for EC motor and electronics. Stepless speed control with potentiometer or stepless speed control with universal control system EUR-EC. Electrical connection via standard terminal box (IP 54), which is mounted with a permanently attached cable.

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