82
Installation BRS20/22/30/32/40/42/50/52
Release
12
01/2022
7.7 Climatic conditions during operation
Climatic conditions during operation
Minimum
clearance at the
ventilation slots
See “Installing the device onto the DIN rail” on page 47.
Ambient air
temperature
a
Standard
up to 2000 m ASL (6562 ft ASL)
0 °C ... +60 °C (+32 °F ... +140 °F)
2000 m ASL ... 3000 m ASL
(6560 ft ASL ... 9842 ft ASL)
0 °C ... +50 °C (+32 °F ... +122 °F)
3000 m ASL ... 4000 m ASL
(9842 ft ASL ... 13123 ft ASL)
0 °C ... +45 °C (+32 °F ... +113 °F)
4000 m ASL ... 4500 m ASL
(13123 ft ASL ... 14763 ft ASL)
0 °C ... +40 °C (+32 °F ... +104 °F)
4500 m ASL ... 5000 m ASL
(14763 ft ASL ... 16404 ft ASL)
0 °C ... +35 °C (+32 °F ... +95 °F)
Extended
up to 2000 m ASL (6562 ft ASL)
-40 °C ... +70 °C (-40 °F ... +158 °F)
2000 m ASL ... 3000 m ASL
(6560 ft ASL ... 9842 ft ASL)
-40 °C ... +60 °C (-40 °F ... +140 °F)
3000 m ASL ... 4000 m ASL
(9842 ft ASL ... 13123 ft ASL)
-40 °C ... +55 °C (-40 °F ... +131 °F)
4000 m ASL ... 4500 m ASL
(13123 ft ASL ... 14763 ft ASL)
-40 °C ... +50 °C (-40 °F ... +122 °F)
4500 m ASL ... 5000 m ASL
(14763 ft ASL ... 16404 ft ASL)
0 °C ... +45 °C (+32 °F ... +113 °F)
Note: Note the following de-ratings due to:
Mounting:
See table 6 on page 48.
PoE power output:
See table 17 on page 77.
See table 18 on page 77.
SFP transceiver
See “Derating due to SFP transceiver” on page 98.
Maximum inner temperature of device (guideline)
Device variants in plastic casing with
extended temperature range: BRSXX-XXXXXXXX-
T/E/GxC ...
See “Device name and product code” on page 25.
Device variants in metal casing with
standard temperature range: BRSXX-XXXXXXXX-S/
CxD...
See “Device name and product code” on page 25.
Device variants in metal casing with
extended temperature range: BRSXX-XXXXXXXX-
T/E/GxD/E ...
See “Device name and product code” on page 25.
85 °C (185 °F)
80 °C (176 °F)
85 °C (185 °F)
Humidity 1 % ... 95 % (non-condensing)
Table 23: Climatic conditions during operation
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