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OVR40320SPTS Fiches technique(PDF) 48 Page - ABB

No de pièce OVR40320SPTS
Description  DIN Rail circuit protective devices
PDF  62 Pages
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Fabricant  ABB [ABB]
Site Internet  http://www.abb.com
Logo ABB - ABB

OVR40320SPTS Fiches technique(HTML) 48 Page - ABB

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16.46
Low Voltage Products & Systems
1SXU000023C0202 Rev. A
ABB Inc. • 888-385-1221 • www.abb.us/lowvoltage
Fuse
holders
&
fuse
disconnectors
16
16
String protection
To avoid equipment damage on DC lines and
to ensure isolation of the PV system in case of
maintenance, E90 PV disconnector fuses can
be installed downstream the inverter to protect
each single string. The fuses must be selected
according to the rated current of the line and to
the maximum dissipated power.
Back-up download
When the Icc short circuit current, at the point of
installation, is greater than 100 A DC, the OVR
PVs Surge Protective Devices require a back-up
protection with a specific type gR fuse.
DC side of the inverter
For small size photovoltaic systems, E 90 PV fuse
disconnectors can be used to protect the DC
side of the inverter. The fuse should be chosen
according to the rated current of the inverter.
E 90 PV Fuse disconnectors
Protection and disconnection of 1000 V DC lines



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