The 624HH is a 24VDC high speed Axial Fan with speed signal, Go/No-go alarm and alarm with limit speed. This fan comes with an external temperature sensor, internal temperature sensor, PWM control input and analogue control input. It features moisture protection, ball bearing and wire leaded power connection. Fibreglass-reinforced plastic (PBT) housing and fibreglass-reinforced plastic (PA) impeller. Right direction of rotation looking at rotor, air exhaust over bars direction of air flow with single strands 22AWG, TR 64, bared and tin-plated leads. 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.