Emerson 480V Benutzerhandbuch
UPS Specifications
37
5.4.4 Bypass Input
Table 14
Bypass input
Rated Power, kVA
40
60
80
100
120
160
200
Rated voltage, VAC
480
Supply
3-phase, 3-wire plus ground
Bypass voltage tolerance %
Upper limit: +10%, +15% or +20%; Upper limit default: +15%
Lower limit: -10%, -20%, -30% or -40%; Lower limit default: -20%
Frequency, Hz
60
Input frequency tolerance %
±2.5%, ±5%, ±10% and ±20%; default ±10%
Bypass overload
capacity (all ratings)
Time: Load
Long-term operation: <135% load
10 minutes: 135% - 170% load
100 milliseconds: 1000% full UPS rated output current
See Table 8 for current ratings.
Bypass frequency synchronization range setting should be wider than bypass frequency shift range.
Bypass frequency synchronization range setting should be wider than bypass frequency shift range.