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PES1900NR Operations Manual
Chapter 8. Powering the PES1900GI NR — 123
Figure 107 shows a block diagram of the BUPS 25/80.
•
The BUPS-25/80 rectifier supplies 25 Amperes of continuous current, at 24 Volts DC.
•
The two internal 100 Amp-Hour batteries are sized to provide 80 Amp-Hours of service
without AC power.
•
For a one-channel system, the BUPS-25/80 provides approximately 13 hours of back-up,
without AC power.
•
For a two-channel system, the BUPS-25/80 provides approximately 8 hours of back-up time.
For more details about the BUPS, see the BUPS-25/80 Operation Manual, 550-1011-01.
Figure 107 Equivalent BUPS-25/80 Block Diagram