Roof fan CRVB / CRVT SERIES

Range of centrifugal roof mounted fans in vertical discharge format: - Very low profile design. - Bases manufactured from galvanised sheet steel. - Centrifugal backward curved impeller. - External rotor motor - Cowl manufactured from spun aluminium. Available, depending upon the model, with single or three phase motors in 2, 4, 6, or 8 poles. All motors are IP54, Class F insulation with safety thermal overload protection. Electrical supply: Single phase 230V-50Hz (CRHB) Three phase 400V-50Hz (CRHT). Speed controllable by Voltage Additional information: ON-OFF electrical isolation switch fitted. On request: Models from 355 to 630 can be fitted with 2-speed motors.