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UPS Specifications
41
6.4.4 Inverter Output
6.4.5 Bypass Input
Table 14 Inverter output
Rated Power 10kVA 15kVA 20kVA 30kVA
Rated voltage, VAC 120/208
Supply 3-phase, 4-wire plus ground
Frequency, Hz 50 / 60
Rated Power, kW 8 12 16 24
Three -phase transient overload,
min. load
10 minutes - 105-125% load
1 minute - 126-150% load
Voltage Regulation % ±1.0% three-phase RMS average for a balanced three-phase load
±2.0% three-phase RMS average for a 100% unbalanced load
Frequency Regulation % Nominal frequency regulation is ±0.05% in single module mode,
and+/- 0.25% in parallel mode.
Maximum rate of change of
frequency, Hz/sec
For single mode, the slew rate is adjustable from 0.1Hz/s to 3Hz/s
Current rating of neutral cable, A 1.5 x input current
Table 15 Bypass input
Rated Power 10kVA 15kVA 20kVA 30kVA
Rated voltage, VAC 120/208
Supply Three-phase, 4-wire plus ground
Rated Current, A
208VAC 28425683
Bypass voltage tolerance %
Upper limit: +10%, +15% or +20%
Lower limit: -10%, -20%, -30% or -40%
Upper limit default: +15%
Lower limit default: -20%
Frequency, Hz 50 / 60
Input frequency tolerance % ± 10 or ± 20%; default ±10%
Current rating of neutral cable, A 1.5 x input current
Bypass overload capacity
(all ratings)
Time
Long-term operation:
10 minutes:
100milliseconds:
Load
<135% load
135% - 170% load
1000% full UPS rated output current