60
Installation BRS20/22/30/32/40/42/50/52
Release 06 03/2020
7.6
Climatic conditions during operation
Climatic conditions during operation
Minimum clearance at the
ventilation slots
See “Installing the device onto the DIN rail” on page 37.
Ambient air temperature
a
a. Temperature of the ambient air at a distance of 2 in (5 cm) from the device
Standard
up to 6562 ft ASL
(2000 m ASL)
+32 °F ... +140 °F (0 °C ...
+60 °C)
6562 ft ASL ...
13123 ft ASL
(2000 m ASL ...
4000 m ASL)
+32 °F ... +131 °F (0 °C ...
+55 °C)
Extended
up to 6562 ft ASL
(2000 m ASL)
-40 °F ... +158 °F (-40 °C ...
+70 °C)
6562 ft ASL ...
13123 ft ASL
(2000 m ASL ...
4000 m ASL)
-40 °F ... +149 °F (-40 °C ...
+65 °C)
Note:
Note the following de-ratings due to:
Mounting:
See table 6 on page 38.
PoE power output:
See table 16 on page 56.
See table 17 on page 56.
SFP transceiver
See “De-rating due to SFP transceiver” on page 76.
Maximum inner temperature of device (guideline)
Device variants in plastic casing with standard
temperature range: BRSXX-XXXXXXXX-
S
/
C
X
C
...
See “Device name and product code” on page 18.
Device variants in metal casing with standard
temperature range: BRSXX-XXXXXXXX-
S
/
C
X
D
...
See “Device name and product code” on page 18.
Device variants in metal casing with extended
temperature range: BRSXX-XXXXXXXX-
T
/
E
X
E
...
See “Device name and product code” on page 18.
185 °F (85 °C)
176 °F (80 °C)
185 °F (85 °C)
Humidity
1 % ... 95 % (non-condensing)
Air pressure
Without derating
min. 795 hPa (+6562 ft; +2000 m)
max. 1060 hPa (-1312 ft; -400 m)
With derating
min. 600 hPa (+13123 ft; +4000 m)
max. 1060 hPa (-1312 ft; -400 m)
Table 22: Climatic conditions during operation
Summary of Contents for HIRSCHMANN BRS20
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