For direct installation in the 482.6 mm (19") level. Installation allows air to circulate permanently inside the enclosure, thus preventing the formation of hot spots. . Distance between axes of fans: 105 mm Air throughput (unimpeded airflow): 480 m³/h Number of fans: 3 Dimensions (W x H x D): 482.6 x 44 x 200 mm Pre-fuse: 6 A Noise level: 51 dB(A)