CENTRIFUGAL FAN WITH EXTERNAL ROTOR EC MOTOR
Plug-type fan with self-cleaning impeller with back curved blades (backward), high performance and single inlet, direct driven. Dynamically balanced to minimize noise and vibration. Polyamide reinforced impeller for models 155 and 190 and aluminum plate for the rest.
High efficiency, low noise external rotor EC motor. Speed control through a 0-10V or PWM signal. Single-phase 230V 50 / 60Hz power supply for models 155 to 310 and three-phase 400V 50 / 60Hz for sizes 355 and 450. IP44 motor and class B insulation.
Frame and motor support arms made of galvanized steel.
Air conditioners, plenums.
Working temperature range from -20ºC to 60ºC.
• Fan (size between 250 and 450) with k-factor reading.