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3.7a
RESERVE POWER DURATION ESTIMATES
(in minutes)*
UPS CAPACITY IN VOLT AMPS (VA)
250 450 600 900 1250 2000
1 5 20 30 47 75 180
2 8 10 24 40 70
3 5 7 203664
4 132235
5 101325
6 5 10 20
*These are approximate values. Specific UPS devices, due to their internal construction,
can have greater or lesser values.
3.7b
RESERVE POWER DURATION ESTIMATES
(in minutes)*
BATTERY CAPACITY IN AH
40 80 120 160 200 240
1 20XXXXX
2 1020XXXX
3 7 13 20 X X X
4 5 10 15 20 X X
5 4 8 121620 X
6 3 7 10131620
*These are approximate values. Specific UPS devices, due to their internal construction,
can have greater or lesser values.
Note: X denotes that this system configuration cannot charge batteries of this capacity.
3.5
NO. OF PSUs
NO. OF PSUs