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Appendix II: Approximate Back-up Time Table
Model
Load (VA)
Backup Time @ 24Vdc 100Ah (min)
Backup Time @ 24Vdc 200Ah (min)
3KVA
300
449
1100
600
222
525
900
124
303
1200
95
227
1500
68
164
1800
56
126
2100
48
108
2400
35
94
2700
31
74
3000
28
67
Model
Load (VA)
Backup Time @ 48Vdc 100Ah (min)
Backup Time @ 48Vdc 200Ah (min)
5KVA
500
613
1288
1000
268
613
1500
158
402
2000
111
271
2500
90
215
3000
76
182
3500
65
141
4000
50
112
4500
44
100
5000
40
90
Note:
Backup time depends on the quality of the battery, age of battery and type of battery.
Specifications of batteries may vary depending on different manufacturers.