Inverter Output; Bypass Input; Table 14 Inverter Output; Table 15 Bypass Input - Emerson Liebert NX 10-30kVA Installation Manual

6.4.4

Inverter Output

Table 14 Inverter output
Rated Power
Rated voltage, VAC
Supply
Frequency, Hz
Rated Power, kW
Three -phase transient overload,
min. load
Voltage Regulation %
Frequency Regulation %
Maximum rate of change of
frequency, Hz/sec
Current rating of neutral cable, A
6.4.5

Bypass Input

Table 15 Bypass input
Rated Power
Rated voltage, VAC
Supply
Rated Current, A
208VAC
Bypass voltage tolerance %
Frequency, Hz
Input frequency tolerance %
Current rating of neutral cable, A
Bypass overload capacity
(all ratings)
10kVA
8
±1.0% three-phase RMS average for a balanced three-phase load
±2.0% three-phase RMS average for a 100% unbalanced load
Nominal frequency regulation is ±0.05% in single module mode,
and+/- 0.25% in parallel mode.
For single mode, the slew rate is adjustable from 0.1Hz/s to 3Hz/s
10kVA
Three-phase, 4-wire plus ground
28
Upper limit: +10%, +15% or +20%
Lower limit: -10%, -20%, -30% or -40%
Long-term operation:
100milliseconds:
41
15kVA 20kVA
120/208
3-phase, 4-wire plus ground
50 / 60
12 16
10 minutes - 105-125% load
1 minute - 126-150% load
1.5 x input current
15kVA 20kVA
120/208
42 56
Upper limit default: +15%
Lower limit default: -20%
50 / 60
± 10 or ± 20%; default ±10%
1.5 x input current
Time Load
<135% load
10 minutes: 135% - 170% load
1000% full UPS rated output current
UPS Specifications
30kVA
24
30kVA
83