56
Installation BRS20/22/30/32/40/42/50/52
Release 06 03/2020
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 at 24 V DC
Connection for functional ground
See “Grounding the device” on page 39.
Supply voltage with characteristic value U
Rated voltage DC:
24 V DC
Voltage range DC incl. maximum
tolerances:
18 V DC ... 30 V DC
Max. PoE power
90 W
<140 °F (60 °C) ambient air
temperature
60 W
+140 °F ... +158 °F
(+60 °C ... +70 °C) ambient
air temperature
Connection type
6-pin terminal block with screw lock
Tightening torque
4.4 lb-in (0.5 Nm)
min. conductor
diameter
AWG16 (1 mm²)
max. conductor
diameter
AWG12 (2.5 mm²)
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:
10 A
Characteristic:
slow blow
Current integral I²t
<36 A
2
s
Connection for functional ground
See “Grounding the device” on page 39.
Table 16: Supply voltage with characteristic value U
Supply voltage with characteristic value P
Rated voltage DC:
When using PoE:
48 V DC
When using PoE+:
54 V DC
Without using PoE or
PoE+:
24 V DC ... 48 V DC
Max. PoE power
240 W
+32 °F ... +122 °F (0 °C ...
+50 °C)
a
ambient air
temperature
180 W
> +122 °F ... +131 °F (>
+50 °C ... +55 °C)
a
ambient
air temperature
120 W
> +131 °F ... +140 °F (>
+55°C ... +60 °C)
a
ambient
air temperature
Table 17: Supply voltage with characteristic value P
Supply voltage with characteristic value F
Table 15: Supply voltage with characteristic value F
Содержание HIRSCHMANN BRS20
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