Ups general description & installation
18
OM226130 Rev. A
3.6 EXTERNAL
BATTERY
The external battery is used to increase the UPS autonomy time during mains failure.
It’s always provided for UPS’s having ratings >30KVA
IMPORTANT
With an external battery, the internal battery isn’t necessary.
The external battery, (consisting of 32 battery blocks maximum, with 6 cells each for
192 cells total), are installed in two different cabinets :
- AS028 for 38Ah battery blocks
- AS029 for 65Ah battery blocks
Other combinations are also possible
The battery circuit breaker is installed inside the external battery cabinet, so it’s not
provided in the UPS.
Concerning the installation of the external battery cabinet, refer to the details given in
paragraph 3.5.
3.6.1 Dimensions and weights
The dimensions and weights of the external battery cabinet are indicates here under.
Picture 16 - Base plan of the external battery cabinets