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UPS models
300kVA
400kVA
500kVA
BYPASS
Rated voltage
480Vac 3-phase + N
Rated voltage tolerance
± 15% (adjustable from ± 10% to ± 25% from control panel)
Rated frequency
60Hz
Frequency tolerance
± 2% (adjustable up to ± 6% from control panel)
Switching onto bypass with
synchronized Inverter (UPS in “Normal
Mode”)
Approx 0ms
Switching onto bypass with Inverter out
of sync (UPS in “Normal Mode”)
20ms
Switching from bypass to Inverter (UPS
in “Stand-by On mode”)
from 2 to 5ms
Delay in transfer onto Inverter after
switching onto bypass
4 sec
Power overload capacity of the bypass
line (kVA)
110 % for 60 minutes, 125 % for 10 minutes, 150 % for 1 minute
Short circuit capacity of the bypass line
(x rated current)
1 second
500 ms
200 ms
100 ms
10 ms
12
14
16
18
25
10
11
12
14
20
7
8
9
10
15