What size wire for mppt 100/50 ground?

Question

question

lstyles asked Jul 8, '19

What size wire for mppt 100/50 ground?

I plan on grounding this mppt to the negative bus bar which is connected to chassis ground. What size wire do I need from mppt screw on side to the negative bus bar?

MPPT Controllers

2 |3000

Attachments: Up to 8 attachments (including images) can be used with a maximum of 190.8 MiB each and 286.6 MiB total.

Modifications Space

Node Red Space

Answer 1 · 2019-07-08T07:53:49Z

wkirby answered · Jul 08, 2019 at 07:53 AM

Use a wire which is capable of carrying the fault current and allow circuit protection devices to activate.
Eg. If your MPPT is protected by a 60A fuse, then the ground wire must be able to carry this current until the fuse opens.

2 |3000

Attachments: Up to 8 attachments (including images) can be used with a maximum of 190.8 MiB each and 286.6 MiB total.

Answer 2 · 2019-07-08T16:52:44Z

lstyles answered · Jul 08, 2019 at 04:52 PM

Thanks! That makes total sense!

2 |3000

Attachments: Up to 8 attachments (including images) can be used with a maximum of 190.8 MiB each and 286.6 MiB total.

question