Automatic circuit breaker in a battery?

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Hello I am new here and there is a lot info here I can find!

Now I have a a Victron 200A fuse in the cable just before the DC off switch.

The plug and play batteries ae deliverd with a DC circuitbreaker, I don't have that on my DIY batterie with a JK BMS.
Do I need one and wich one dou you prefer?

Thanks and greetings from The Netherlands,

Erik.

 

[MaikaiLife]

Hello I am new here and there is a lot info here I can find!

Now I have a a Victron 200A fuse in the cable just before the DC off switch.

The plug and play batteries ae deliverd with a DC circuitbreaker, I don't have that on my DIY batterie with a JK BMS.
Do I need one and wich one dou you prefer?

Thanks and greetings from The Netherlands,

Erik.

The breakers are for the batteries, the fuse is for your conductors aka the wires. You should always have both if possible.

 

[time2roll]

The JK BMS should have some short circuit protection to complement the existing fuse.

 

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Thnx for the reply,

Wich breaker you prefer?

Thanks and greetings,

Erik