Specifications
69 Liebert
®
GXT4
™
User Manual
Using the configuration program or the LCD panel, the user may specify the number of external battery
cabinets attached to the UPS. The factory default is programmed for internal batteries only.
Table 8-8 shows the estimated run times at different loads.
Internal Battery
+ 4 External
Battery Cabinets
10% 766 638 696 566 883
20% 389 322 381 302 429
30% 252 208 269 214 336
40% 188 156 198 161 237
50% 149 122 161 129 190
60% 122 100 136 107 166
70% 104 84 111 87 135
80% 88 72 92 72 111
90% 78 60 83 67 100
100% 68 53 75 56 90
Internal Battery
+ 5 External
Battery Cabinets
10% 939 783 854 685 1108
20% 476 393 467 370 538
30% 307 255 329 262 420
40% 227 190 239 195 296
50% 181 149 195 156 235
60% 149 122 166 130 207
70% 127 104 136 109 168
80% 110 88 114 88 139
90% 95 78 102 84 126
100% 84 67 91 73 115
Internal Battery
+ 6 External
Battery Cabinets
10% 1116 931 1015 814 1329
20% 564 468 553 440 643
30% 364 301 389 310 506
40% 268 223 285 229 356
50% 212 177 228 184 283
60% 177 145 194 153 247
70% 149 122 160 129 201
80% 130 106 136 106 167
90% 114 91 119 100 152
100% 101 82 110 86 139
Table 8-8 Battery run time, minutes (continued)
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)
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.