The 4184NXH is a 24VDC standard or basic high speed Axial Fan with speed signal, ball bearing and terminal power connection. Die-cast aluminium housing and fibreglass-reinforced plastic (PA) impeller. Clockwise direction of rotation looking at rotor, inlet over bars direction of air flow, flat plugs 2.8 x 0.5mm connection with mounting bore hole of 3.7mm. The DC axial compact fan is suitable for high air performance with moderate pressure build-up. The flow of air through the fan blades is parallel to the rotation axis. 4400RPM Speed rating 11W Rated power -30 to 70°C Maximum ambient temperature range Protected against reverse polarity and locking