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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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OVRT240660CU Datenblatt(PDF) 48 Page - ABB |
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OVRT240660CU Datenblatt(HTML) 48 Page - ABB |
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48 / 62 page  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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