Emerson Liebert GXT4, User Manual

Page: 62 / 64

Specifications
Liebert
®
GXT4
™
56
Using the configuration program, the user may specify the number of external battery cabinets
attached to the UPS. The factory default is programmed for internal batteries only.
Table 21 shows the estimated run times at different loads.
Internal Battery
+ 4 External
Battery Cabinets
10% 454 442 463 447 456
20% 323 300 340 310 420
30% 194 161 218 165 304
40% 153 138 164 144 200
50% 134 110 147 122 160
60% 110 92 130 99 145
70% 95 74 109 79 130
80% 77 62 96 68 111
90% 67 50 79 53 102
100% 53 46 71 49 93
Internal Battery
+ 5 External
Battery Cabinets
10% 464 454 480 459 466
20% 343 324 429 332 430
30% 224 194 316 206 332
40% 166 153 203 158 225
50% 150 134 161 140 195
60% 134 110 147 122 161
70% 112 95 133 102 149
80% 100 77 113 82 137
90% 82 67 102 73 126
100% 74 53 91 64 110
Internal Battery
+ 6 External
Battery Cabinets
10% 480 463 480 467 480
20% 430 341 442 420 452
30% 317 219 334 301 423
40% 204 164 227 183 321
50% 162 148 191 153 227
60% 148 131 159 138 195
70% 134 110 147 122 162
80% 120 97 135 104 152
90% 103 80 122 92 142
100% 92 71 107 77 133
Run times in this table are approximate. They are based on new, fully charged standard battery modules at a temperature of 77°F (25°C)
with 100% resistive UPS loading. Run times listed above can vary by ±5% due to manufacturing variances of the individual batteries.
Table 21 Battery run time, minutes
Number of External
Battery Cabinets
Load Percent
of Capacity
208/120 VAC RT Models 208 VAC RT Model
5 kVA 6 kVA 8 kVA 10 kVA 6 kVA (L630)