The DV6248U is a 48VDC axial fan with a ball bearing and glass-fiber reinforced PA plastic impeller. This DC fan comes with UL1007 TR 64 stripped and tin-plated 365 mm 22AWG lead cable. The motor is protection against reverse polarity and blocked rotor. The direction of rotation is clock wise direction viewed toward rotor. The air intake over struts and the housing with grounding lug for screw M4 x 8 (Torx).