36 Chapter 3 Installation Drawing
Fig.
4-15:
Battery Module
According to the selected configuration, the LIEBERT APM can house from none to 9 battery modules connected in
parallel.
Each Modular Battery Cabinet can house additional 10 modules of battery
Each module is made of 3 battery boxes and a battery tray. Each battery box contains ten 9AH/12V batteries and
each battery tray has one 50A DC current limiting circuit breaker. The maximum discharging current of each layer of
battery is 45A. Over charging current will trip the circuit breaker and the monitoring unit will display the alarm.
Note
When using modular battery it is important to install at least 2 battery module per each power module installed.Not doing that will
result in the CB tripping before the battery reaches the EOD.
Note
Battery housed in the external Modular Battery Cabinet must be of the same kind of the internal ones.
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