Huawei S9300 Series Switches includes S9303,S9303E,S9306,S9306E,S9310,S9312,S9312E,S9300,S9300E,S9300X. In this article, HongTelecom will introduce the 1600 W DC Power Distribution Box for Huawei S9300 Series Switches.
2200 W DC Power Distribution Box
Figure 1 shows a 2200 W DC power distribution box.
Figure 1 2200 W DC power distribution box
A 2200 W DC power distribution box can use -48 V two-way short-circuiting bars, each of which provides JG input terminals. A -48 V two-way short-circuiting bar allows a maximum of 120 A input current and converts one input into two outputs to circuit breakers. Figure 2 shows a -48 V two-way short-circuiting bar.
Figure 2 -48 V two-way short-circuiting bar
A 2200 W DC power distribution box provides short-circuit protection and overload protection.
Table 1 lists specifications of a 2200 W DC power distribution box.
|Input||Rated input voltage||-48 V DC/-60 V DC|
|Input voltage||-38.4 V DC to -72 V DC|
|Input mode||Eight DC inputs by default (Short-circuiting bars can convert the eight inputs into four.)|
|Maximum input current||60 A per input (120 A per input when short-circuiting bars are used)|
|Input terminal||Cord end terminal, allowing power cables with a maximum of 35 mm2 diameter (When short-circuiting bars are used, M6 OT terminals are used for -48 V input and cord end terminals are used for RTN input.)|
|Output||Rated output voltage||-48 V DC to -60 V DC|
|Output voltage||-38.4 V DC to -72 V DC|
|Number of outputs||Eight|
|Current of each circuit breaker||63 A|
|Output protection||Overcurrent protection (Power supply needs to be restored manually once the power distribution box enters the overcurrent protection state.)|
|Output terminal||Cord end terminal, allowing power cables with a maximum of 35 mm2 diameter|
|Environment parameters||Operating temperature||-25°C to +55°C (-13°F to +131°F)|
|Storage temperature||-40°C to +70°C (-40°F to +158°F)|
|Relative humidity||≤ 95%|
|Standard atmospheric pressure||70 kPa to 106 kPa|
|Dimensions (W x D x H)||442 mm x 89.2 mm x 110 mm (17.4 in. x 3.5 in. x 4.4 in.)|
Figure 3 and Figure 4 show power distribution in a 2200 W DC power distribution box.
Figure 3 Power distribution in a 2200 W DC power distribution box (eight inputs and eight outputs)
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