Rockwell Automation T8271 Trusted Fan Tray 24Vdc Roof Mounted User Manual
Sds-8271 trusted, Industrial control system trusted
 
SDS-8271 
Trusted
TM
Industrial Control System
Trusted
TM
Fan Tray 24V dc Roof Mounted-T8271
Issue 7 Apr 2010
FRONT PANEL
DESCRIPTION
 
The Trusted
TM
Fan Tray 24V dc Roof Mounted is designed to exhaust air
above a cabinet housing a Trusted
TM
System. The normal distribution of
roof mounted fan trays is on a basis of one per cabinet bay.
The Trusted
TM
Fan Tray 24V dc Roof Mounted comprises eight fans
mounted horizontally in a chassis supported within a roof cowl (the 
illustration above is a view of the Fan Tray without the roof cowl). 
The Fan Tray is powered from dual 24V dc supplies arranged such that the 
fans are supplied in fours via 500mA anti-surge fuses. The 0V supply is 
connected via a terminal block – see block diagram overleaf. 
Each fan is capable of moving 69m
3
/h when operating at a nominal rotor
speed of 3100 rpm. Protection against overloading and reverse polarity is 
provided electronically for each fan. 
 
FEATURES
Simple installation and 
connection 
Capable of moving 552m
3
/h
24V dc operation
Low noise (32db per fan)
TÜV certified for safety, 
Risk Class 5 
Meets IP20 with Roof Cowl 
fitted