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38 Cabinet construction
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1×R8i DDC unit in Rittal VX25 enclosure
Layout with DC switch/disconnector and charging
This figure shows an example of the DC/DC converter unit in the Rittal VX25 enclosure.
The unit includes an R8i DC/DC converter module, a BDCL filter module, bottom cable
entries for the energy storage connection, DC switch/disconnector and charging components.
6
8
13
14
1
12
11
3
10
9
Description
7
Cubicle including:
1. R8i DC/DC converter module
2. BDCL filter module
3. Module cooling fan
4. Cable entries for energy storage cables
5. Energy storage connection
6. DC switch/disconnector
7. Output DC fuses
2
8. DC fuses (DC bus side)
9. Coolant IN, Coolant OUT
10. Outlet manifold
11. Inlet manifold
12. Heat exchanger
13. Charging switch
14. Charging resistors (behind the charging
switch)
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12
3
4
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