990-91318C-001

Batteries

End of Discharge Voltage

The voltage is 1.6 to 1.75 per cell depending on discharge ratio.

Battery Voltage Window

  Boost 2.38 Vpc Nominal 2.0 Vpc Minimum 1.6 Vpc
Battery voltage (V) 571.2 480 384

Battery Runtimes in Minutes

NOTE: Runtimes are given at power factor 1 with 100% load.
NOTE: The 20 kW input isolation transformer is not active when the UPS is in battery operation. The potential runtimes can therefor exceed the time limitations in overload capacity of the UPS when in normal operation.
UPS rating 20 kW 30 kW 40 kW 50 kW
Number of modular battery strings
1 NA NA NA NA
2 11.0 6.0 NA NA
3 18.5 10.5 7.3 5.2
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