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DSO-PRA
12
DSO cabinet is equipped with a ventilation panel located in upper part of housing to force air flow to heat
emitting devices. Normally, ventilation panel is mounted in a 36U, 42U, 45U, 50U, and (optionally) 24U cabinet.
Fans are controlled by a nearby bimetallic thermostat that allows setting activation temperature in range
0-
60ºC with adjustment knob. Fans are powered from 230 V mains; in case of power loss, they are switched off.
Fig. 12. Fan unit with a thermostat.
Table 8. Components of fan panel.
Element no.
Description
Bimetallic thermostat
On-off temperature control knob (in range 0-
60ºC).
Airflow openings of fan panel
230 V AC power outlet
T 315mA fuse socket
Fan power switch
Table 9. Technical parameters of fan panel.
Supply voltage
230 V AC / 50Hz
Current consumption
Max. 0,3 A
Efficiency
Max. 732m
3
/h
Adjustment of activation temperature
0÷60ºC
Thermostat type
Bimetallic
Mounting in RACK cabinet
Mounted as standard
– 36U, 42U, 45U, 50U
Mounted optionally
– 24U
