Ultra-quiet circular duct fans (TD-SILENT ECOWATT Series)

Models 350 to 1000
Low profile “Mixed-flow” fans with sound-absorbent insulation, extremely quiet, fan casing manufactured in plastic material, with a specially designed internal skin to direct the sound waves at the right angle for them to be captured by sound-absorbent material, fitted with flexible rubber seals on the inlet and outlet to absorb vibrations, with an external connection box, a body that can be removed without dismantling the adjacent ducting and therefore facilitating any installation or maintenance.
Brushless EC motor, high efficiency and low consumption, suitable for single phase supply 230V±15%/50-60Hz, IP44, thermal overload protection.
Fan speed 100% adjustable with the potentiometer placed in the connection box or with an external control type REB-ECOWATT.
Analogue input with terminals in the terminal box to control the fan with 0-10V input signal.