Lambda CW II-M system features backward-curved radial fans with unique blade geometry offering increased airflow by smaller impeller size, wider efficiency range, and low sound output. Fan drives use commutation electronics to sense the rotor position and adjust supply current, thus eliminating the need for mechanical brushes to deliver current to the motor windings. Elimination of physical contact reduces internal wear within the fan motor and significantly increases reliability.
The key advantage of using EC-driven fans is substantial energy savings – of up to 35%. Furthermore, electronically-commutated motors feature overtemperature protection, are maintenance-free and have an extended lifetime in comparison to any other motor types.
The fans fully comply with the requirements of the Energy-related Products 2015 Directive.