Blower, type=RL90-18/50, operating voltage, max.=-999, operating voltage, min.=-999, width=37 mm, flow rate=40 m³/h, socket diameter=80 mm, blower speed=2450 min -1 , noise level=49 dBA, height=120.6 mm, inner diameter=57.6 mm, nominal voltage=230 V, current, max.=-999, depth=120.6 mm, connection type=stranded wire, 2-pole, type of blower=centrifugal, bearing type=sliding bearing, switching type=mechanical, AC or DC operation=AC, IP protection class=IP54, series=RL 90