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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