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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.