do I need 2 DC MCB for LIFePo4 Battery ?

[andydarwin]

when I installed Battery for Offgrid solar panel System. do I need 2 DC MCB or Can I just use 1 ?? what is the advantages having 2 MCB ( plus and Negative line) ?

do I need to add Fuse as well ? the 150A fuse was come with the Inverter free when I purchase it.

 

[FilterGuy]

Please review this:

Fusing & Wire Sizing guidelines for solar panels

To get the paper, click on the orange'' button at the top of the screen. This resource is intended to help the user understand when they need to add Over Current Protection Devices (OCPDs - Fuses or Breakers) to the solar panel array and what...

diysolarforum.com

 

[FilterGuy]

If you are asking about fuse/breaker elsewhere in the system, please post a diagram of the system.