S&P Ventilation Box CVAB/4-9000/500N D

Ventilation boxes KABB/4-3000/315. 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, backward-curved centrifugal impeller, dynamically balanced, made of aluminium sheet (CvaB-n) or steel (Cvat-n), circular flanges on suction and discharge, iP55 motor, Class F and built-in thermal protector. Motors: CVAB-N: Adjustable by supply voltage variation. Single-phase 230v-50Hz operating temperature from -40ºC to +60ºC. CVAT-N: 4 or 6 poles, depending on versions. Adjustable by frequency converter. Three-phase supply voltage 230/400v-50Hz. Thermal protector (PTC).