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Description
Surge protective devices, protect against lightning surge voltages in solar systems (photovoltaic power supply systems). These units must be installed in parallel on the dc networks to be protected and provide common and different modes of protection. Its installed location is recommended at both ends of the dc power supply line (solar panel side and inverter/converter side), especially if the line routing is external and long. High-energy MOVs equipped with specific thermal disconnectors and related failure indicators.
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