ebmpapst Axial Fan DC 50x50x15mm 12V 20m³/h IP20

Micro fans with electronically commutated outside rotor motor. Speed-proportional square signal for external RPM-monitoring of fan motor, Open collector signal output. Fan made of glass-fibre-reinforced plastic. 3 pigtails à 300 mm AWG 28, red = +, blue = -, white = signal.