Vertiv Liebert EXM - Table 26 AC;AC Efficiency, Loss and Air Exchange; Table 27 Heat Losses and Air Exchange; Table 28 Recommended Lug Sizes (Compression Type) M12, 1;2 Bolt

Vertiv™ | Liebert® EXM
™
50-250kVA, 480V, 60Hz User Manual | 78
Table 26 AC/AC efficiency, loss and air exchange
AC/AC Efficiency
Data
Normal Mode (dual conversion), % 96.5% Maximum
Inverter Efficiency (DC/AC) (Battery at nominal voltage 432 VDC and full-rated linear load)
UPS Capacities, kVA 50/100/150/200/250
Rated Power, kVA 50-250
Battery Mode, % 95% Maximum
Table 27 Heat Losses and Air Exchange
Rated
Power, kVA 50 100 150 200 250
Normal Mode, kW 50 100 150 200 250
No Load, kW 0.34 0.6 0.87 1.26 1.49
Maximum
Forced-Air Cooling
382 (649) 763 (1296) 917 (1558) 1318 (2273) 1667 (2832)
Heat Dissipation 7854 (2.30) 13851 (4.06) 18019 (5.28) 25491 (7.47) 34627 (10.15)
Efficiency — — 96.48% — —
Table 28 Recommended lug sizes (Compression Type) M12, 1/2" bolt
Cable Size
T&B Copper
Two-Hole
T&B Aluminum
Two-Hole
#6AWG
256-030695-
868
—
#4AWG
256-030695-
733
—
#2-3AWG 54811BE —
#1AWG 54857BE —
#1/0AWG 256-30695-593 —
#2/0AWG 54862BE 60238
#3/0AWG 54864BE 60244
#4/0AWG 54866BE 60250
250kcmil 54868BE 60256
300kcmil 54870BE 60262
350kcmil 54872BE 60267
400kcmil 54874BE 60269
500kcmil 54876BE 60273
600kcmil 54878BE 60275
700kcmil 54879BE 60277
750kcmil 54880BE 60278