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SPD 2P DC Lightning Surge Protector Protective Low-voltage Arrester Device

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  • SPD 2P DC Lightning Surge Protector Protective Low-voltage Arrester Device

    I want to purchase a SPD 2P DC Lightning Surge Protector Protective Low-voltage Arrester Device for my solar system but i am unsure as to which one to pick. I have (2) solar system. One system is using a mppt charge controller that can handle a max input of 500vdc running a 48v system and i am currently sending little bit over 200volts dc to its input from the panels and the other system is using a mppt that can handle max input of 150volt dc to it running a 24v system and i am currently sending around 70volts to it and in the future i might increase the input going to it to about 100 plus if i upgrade it to 48v. If i am to buy a SPD 2P DC Lightning Surge Protector Protective Low-voltage Arrester Device for each solar system which size should i buy for each. They have them in DC 500/800/1000 Volts as u can see in the link below:

    https://www.aliexpress.com/item/4000...40037615%22%7D

    I am thinking a 500VDC one would be ok for each of the system that i mention above?
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