S&P CVAT/4-4000/400 ND Ventilation Box

Ventilation Box CVAT/4-4000/400N D 438W. Airtight, self-cleaning ventilation boxes with low noise levels, made with aluminium profiles and sandwich-type panels, featuring non-flammable acoustic insulation (M0) with 25 mm thick fibreglass. Equipped with a dynamically balanced backward-curved centrifugal impeller, made from aluminium sheet (CvaB-n) or steel (Cvat-n), circular flanges at inlet and outlet, IP55 motor, Class F, and built-in thermal protection. Motors: CVAB-N: Adjustable by voltage variation. Single-phase 230v-50Hz, operating temperature from -40ºC to +60ºC. CVAT-N: 4 or 6 poles, depending on the version. Adjustable by frequency converter. Three-phase supply voltage 230/400v-50Hz. Thermal protection (PTC).