63
UPS for 400 Vac Grid, User Guide, doc. rev. 4
Figure 47: Minimum DC voltage at current value
The factory setting of 352 VDC is recommended for most situations.
8.2.3.3.
Setup > Battery end-of-backup voltage limit
During a mains power blackout, the batteries provide power to the UPS’s inverter. In the process,
the battery voltage continually decreases. The “End-of-backup voltage limit” lets you define how
low you want to let the battery voltage go before the UPS shuts down.
Figure 48: Setup, Battery End of backup voltage limit
