# 08 main breaker

**URL:** <https://community.electricforum.com/t/08-main-breaker/5111>\
**Category:** GEM Forum\
**Created:** [June 28, 2015, 8:30pm UTC](https://community.electricforum.com/t/08-main-breaker/5111 "2015-06-28T20:30:29Z")\
**Posts on this page:** 1\
**Showing post:** 54

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**Author:** ![Inwo](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.electricforum.com/inwo/32/1067_2.png) [@Inwo](https://community.electricforum.com/u/Inwo)\
**Post date:** [March 27, 2016, 4:53am UTC](https://community.electricforum.com/t/08-main-breaker/5111/54 "2016-03-27T04:53:01Z")

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It’s not a breaker in the sense that it provides over current protection.  
It’s just a safety disconnect.

Will not survive opening under even a modest load.  
It should have a label saying as much.

A 350amp DC circuit breaker would be the size of one of your batteries.

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