Helios Fans KRW EC 315÷50÷25 A

The Helios KRW EC 315÷50÷25 A is a high-efficiency EC centrifugal fan developed for direct installation into rectangular duct systems. It features a compact housing constructed from galvanized sheet steel, complete with standardized channel flange profiles on both sides. The swing-out motor and impeller assembly simplifies maintenance and servicing.

This model includes a powerful radial impeller with backward curved blades made of plastic and galvanized steel. The impeller is dynamically balanced for vibration-free performance, and the airflow is optimized through an aerodynamically designed inlet nozzle.

At its core is a speed-controllable EC external rotor motor offering maximum energy efficiency and protection to IP44. The motor is maintenance-free, free from radio interference, and fitted with long-life ball bearings. Integrated electronic monitoring protects both the motor and the electronics from overheating. Speed control can be precisely adjusted either by a potentiometer or through the EUR-EC universal control system. Electrical connection is via a standard IP54-rated terminal box mounted directly to the supplied cable.