AC power disconnect questions

[ericfx1984]

So I'm building an off-grid house... At about 25 ft from the house I will have a shed that houses the following equipment

4x MPP solar lv6548s

1x 304ah eve cells 16s with jdb 200a smart bms

1x 280ah eve cells 16s with jdb 200a smart BMS

Eventually I will add a third and a fourth battery

I'll be running appropriately sized class T fuses between the batteries and the bus bars

I will be running 200 amp DC breakers between the bus bars and the inverters

I'm going to be running in a split phase 240 volt / 120 volt setup

I'm planning to put a hundred amp breaker box in the shed that back feeds the various inverters into the panel and then has a 100 amp breaker going out to appropriate wire buried to feed the house

I would like to put some type of disconnect system on the outside of the shed where I'm storing all of this equipment

I've been thinking a water type electrical box and a 200 amp double pole miniature breaker like we see used on solar setups would probably work really well and be an extremely affordable solution for a disconnect

I know that you can't use AC breakers safely on DC circuits... But I was curious if you can use DC breakers safely on AC circuits?

 

[DIYrich]

Rapid shutdown switch?

 

[ericfx1984]

Rapid shutdown switch?

I'm not going to lie that would be something new for me...