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4.2
BACKFEED PROTECTION DEVICE
The KEOR HPE UPS is provided of a 230Vac voltage to operate the shunt trip coil of the external
sectioning device; the external device is not part of the UPS supply and is provided and installed at
customer care.
The following table shows the main electrical characteristics of the external sectioning device.
Power (kVA)
Maximum operating voltage (Vac)
Minimum rated current (A)
Category
A sectioning device with shunt trip coil can also be installed inside the UPS as an option.
Picture 6 – Single Line Diagram KEOR HPE 60-80kVA with connection to external device
32
OML46086 REV. C
Installation and start-up of KEOR HPE UPS 60÷160 kVA
Installation et démarrage de l'ASI KEOR HPE 60÷160 kVA
Installazione e avviamento KEOR HPE UPS 60÷160 kVA
Backfeed protection device
60
125
80
100
690
160
200
AC-1
125
160
250
315
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