Liebert NX 30 - Efficiency, Heat Losses and Air Exchange

60 User Manual 10H52192UM60 - Rev. 1 - 09/2011
Liebert NX Product Specifications
8.8 Efficiency, Heat Losses and Air Exchange
Table 8-8 Efficiency, Heat Losses and Air Exchange
Item Unit
Rated power (kVA)
30 40 60
Overall efficiency
Normal mode (double-conversion) % > 95
Inverter efficiency (DC/AC) (battery at nominal voltage 432 Vdc and full-rated linear load)
Battery mode % 95
Heat losses & air exchange
Normal mode kW 1.5 1.8 2.9
No load kW 0.3 0.6 0.6
Maximum forced air cooling (front
intake, rear exhaust)
L/sec 112 192 192
Note: 400 Vac input and output, battery fully charged, full-rated linear load