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Appendix A.3 Installing the Liebert FS With a Liebert Npower UPS
The Liebert Npower UPS interconnection kit for the Liebert FS is compatible with the Liebert
Npower models in Table 22.
Figure 99 Liebert FS integrated into a Liebert Npower UPS system
Appendix A.3.1 Description - Liebert Npower UPS Interconnection Kit
The Liebert Npower UPS interconnection kit for the Liebert FS is composed of:
DC Power Interface
One Thermal-Magnetic Molded Case circuit breaker rated for 250 ADC - 600VDC equipped with:
• An undervoltage relay (UVR) rated for 24VDC, 50 mA
• Auxiliary contacts: Normally Open (NO) and Normally Closed (NC).
Status/Control Interface
One Liebert Npower Battery Information Board (BIB). This board is used to ensure the status/
control connections between the Liebert FS and the Liebert Npower.
Table 22 Liebert Npower model ratings
UPS
Output
Rating
kVA 30 40 50 65 80 100 130
kW 24 32 40 52 64 80 104
Liebert
Npower UPS
Liebert FS