All fans installed in acoustic cabinet fans CVB / CVT CENTRIBOX comply with the efficiency requirements of the ErP Directive.All cabinets can be installed outdoors as standard.MotorsAvailable, depending upon the model, with single phase motors in 4 or 6 poles.Motors are IP20, IP44 or IP55 (1), Class F insulation, with ball bearings and thermal protection.Electrical supply:Single phase 230V-50Hz.Three phase 230/400V-50Hz.All single phase models are speed controllable by tension.All three phase models are speed controllable by frequency inverter.(1) See technical characteristic chart.Working temperature from -20ºC to +40ºC.
