Installation and start-up of UPS B8000FXS 10-60kVA
Installazione e avviamento UPS B8000FXS 10-60kVA
OMD91050 REV. G
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4.1
BACKFEED PROTECTION DEVICE
The back-feed protection device, as indicated by the EN 62040-1 Standard, is optional and
can be installed during the UPS production phase; the installation on site can only be carried
out by skilled personnel.
The device is a contactor that automatically disconnects the bypass line in case of failure of
the static switch, in order to avoid voltage feed-back on the input terminals during the a mains
failure.
The use of a device installed inside the UPS allows a higher flexibility of use, as only the
bypass line is cut leaving the rectifier battery charger in operation.
The use of an external device forces the user to separate the UPS supply lines (rectifier and
bypass) if the flexibility and availability of the UPS are supposed to be kept unaltered.
The following table shows the main electrical characteristics of the external sectioning device
in case this solution is chosen.
Backfeed protection device
UPS power (kVA) – B8031FXS
10 15 20
Maximum operating voltage (Vac)
690
Minimum rated current (A)
65
100
130
Category AC-1
Backfeed protection device
UPS power (kVA) - B8033FXS
10 15 20 30 40 50 60
Maximum operating voltage (Vac)
690
Minimum rated current (A)
25
35
50
70
100
125
150
Category AC-1
Summary of Contents for ASD91
Page 1: ...OPERATING MANUAL UPS MANUALE OPERATIVO UPS B8000FXS 10 15 20 30 40 50 60kVA ...
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Page 6: ...Warnings and general information Avvertenze e informazioni generali 2 OMD91048 REV B ...
Page 134: ...UPS user manual Utilizzo dell UPS 6 OMD91052 REV C ...
Page 135: ...UPS user manual Utilizzo dell UPS OMD91052 REV C 7 ENGLISH LANGUAGE ...
Page 181: ...UPS user manual Utilizzo dell UPS OMD91052 REV C 53 LINGUA ITALIANA ...
