This PAPST AXIAL FAN Model  8506N is powered by 115V ac and is of quality German manufacture.

It is New Old Stock in excellent preserved condition and I have 4 for sale, 2 of which are still in their manufacturer's packaging.

Specification:

Voltage:           115V ac

Frequency:      50/60 Hz  

Power input:    11W

Airflow:            35cfm

Sound level:     35dBA 

Bearings:         Ball

Speed:             3300 rpm

Dimensions:     80 x 80 x 38 mm

Weight:             470 gms

From a non-smoking home.