Performance; Power Supply - Alcatel 1850 TSS-320 Technical Handbook

4.4.2 Performance

Each fan provide a flow of 167 m3/hr against a pressure of 82 Pa when running at maximum speed and
with 1.2 Kg/m3 inlet air density.
The life limiting feature of the fan design is the life of the lubrificant in the motor bearings.
In 40ºC environment at full speed condition, the grease in the bearings has an L10 life of 100,000 hours.
In 75ºC environment, the grease in the bearings has an L10 life of 40,000 hours.

4.4.3 Power Supply

The maximum current drawn by one single fan is 0.35A at full speed condition on 48Vdc supply,
corresponding to 16.8W of power consumption.
With all fans at full speed condition, the board absorbs 0.9A when powered through battery A by a voltage
of 65V, i.e. it has a total power consumption of 58.2W.
Alcatel 1850 TSS-320 Rel. 1.1
176/270 8DG 07734 AAAA Edition 01
Technical Handbook Common
Unit Descriptions