Photovoltaic surge protection for residential installation

For low power PV applications, i.e. residences and small offi ces, it is necessary to consider surge protecting the AC output of the Inverter that connects directly into the electric power grid as well as the DC input side of the Inverter fed by the PV modules.

Example of a photovoltaic surge protection installation

Selection of surge protectors

On this table you will find the surge protection solution for residential PV installations.

Location		CITEL model	Description
PV network		DPVN40CS-21Y-850	Type 2+3 PV surge protector CTC technology In 20kA - Imax 40kA - Remote signaling
AC network		DAC50S-11-275	Type 2 AC surge protector In 20 kA - Imax 50 kA - Remote signaling
AC network		DAC40CS-11-275	Type 2 Compact AC surge protector In 20 kA - Imax 40 kA - Remote signaling

Surge protection for Off-grid site

Grid-isolated sites powered by solar panels are, due to their isolated location and exposure to lightning, especially prone to transient overvoltages.

Example of a photovoltaic surge protection installation

Selection of surge protectors

Location		CITEL model	Description
AC network		DACF15S-11-275	Type 2 (or 3) AC surge protectors In 5 kA - Imax 15 kA - Internal fuse - Remote signaling
DC network		DDC30CS-20-65	Type 2 DC power surge protector Imax 30 kA - Compact - Remote signaling

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