Helios Fans SB EC 200 B

The Helios SB EC 200 B is a high-performance EC centrifugal fan housed in a sound-insulated casing made from galvanized sheet steel. The unit features round connectors suitable for standard ductwork and includes an inner perforated sheet metal lining with a 50 mm thick mineral fibre board for effective noise reduction. Its swing-out cover provides direct access, and the motor-impeller unit is retractable for easy servicing.

This model includes a highly efficient backward curved centrifugal impeller, dynamically balanced for smooth, quiet operation.

Driven by a speed-controlled EC external rotor motor with IP44 protection, the fan ensures maximum energy efficiency. The motor is maintenance-free, uses ball bearings, and is designed to be interference-free. Integrated electronic temperature monitoring protects the motor and control electronics. An internal potentiometer allows adjustment of any fan speed between minimum and maximum, while stepless speed regulation is also possible via an external potentiometer or the EUR-EC universal control system. The fan connects through a standard IP54 terminal box mounted on an extended cable.

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