76
Installation BRS20/22/30/32/40/42/50/52
Release
12
01/2022
7.3 Supply voltage
BRS52-0012QTQT... 0 °C ... +50 °C (+32 °F ...
+122 °F)
-40 °C ... +60 °C (-40 °F ...
+140 °F)
BRS52-00122Q2Q...
0 °C ... +60 °C (+32 °F ...
+140 °F)
Metal casing: maximum
240 W PoE power
Plastic casing: maximum
120 W PoE power
< +55 °C (+131 °F) at
120 W ... 180 W PoE power
< +50 °C (+122 °F) at
180 W ... 240 W PoE power
-40 °C ... +70 °C (-40 °F ...
+158 °F)
Supply voltage with characteristic value T
Rated voltage range DC: 12 V DC ... 24 V DC
Voltage range DC incl. maximum
tolerances:
9.6VDC...32VDC
Connection type 6-pin terminal block with screw lock
Tightening torque 0.5 Nm (4.4 lb-in)
min. conductor
diameter
0.75 mm² (AWG18)
max. conductor
diameter
2.5 mm² (AWG12)
Power loss buffer >10 ms at 20.4 V DC
Overload current protection on the device Non-replaceable fuse
Back-up fuse for each voltage input Nominal rating: 2 A ... 10 A
Characteristic: slow blow
Current integral I²t <1 A²s
Connection for functional ground See “Grounding the device” on page 49.
Table 15: Supply voltage with characteristic value T
Supply voltage with characteristic value F
Rated voltage range DC:
Rated voltage AC:
24 V DC ... 48 V DC
24 V AC
Voltage range DC incl. maximum
tolerances:
Voltage range AC incl. maximum
tolerances:
18 V DC ... 60 V DC
18 V AC ... 30 V AC, 50 Hz ... 60 Hz
Table 16: Supply voltage with characteristic value F
Product name Temperature range
Characteristic value S, C
Temperature range
Characteristic value T, E, G
Table 14: Temperature ranges of BRS device variants including deratings
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