How do I choose an SPD for my solar system?

Nov 21, 2023
Solar arrays are also electronic devices and therefore can be damaged by surges as well. Solar panels are particularly vulnerable to lightning strikes due to their large surface area and placement in exposed locations, such as on rooftops or the ground in open spaces. So it is very important to protect it from lightning or surge damage.

To choose the appropriate surge protective devices model for your solar/photovoltaic system, the following points should be kept in mind:

1. Lightning circular flash density;
2. The operating temperature of the system;
3. System voltage;
4. The rated short-circuit current of the system;
5. The waveform level to be protected.

6. Nominal discharge current.


Since its establishment in 2006, Jinli Electric has been deeply involved in surge protectors for nearly two decades, adhering to the corporate mission of "creating the world's first lightning protection brand to protect users from lightning intrusion". The independently developed and produced photovoltaic surge protectors, lightning arresters, backup protectors, etc. are at the forefront of the industry in terms of quality and performance.

Jinli Electric’s photovoltaic surge protectors

System voltages are: 600v 800v 1000v 1500v
Working temperature: -40C°~+85C°
Waveforms include 10/350us 8/20us
The nominal discharge current is 20KA.
Can meet the requirements of most solar systems, thereby providing a safer, more stable, and more efficient operating environment for photovoltaic power plants.
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