Blue sea switches: what’s the difference

[thobry]

Is there a difference in using a 300 amp M-series battery switch ($24 on amazon) vs a 100 amp 187 series circuit breaker switch ($52 on amazon)?

I see there’s a price difference but could I just use the M-series battery switch to disconnect my blue sea fuse box from the battery system in my 4Runner?

Thanks!

 

[jgue467]

Why not use a relay? https://www.amazon.com/Stinger-SGP3...KVHEJ6R15FF&psc=1&refRID=K8238YSBQKVHEJ6R15FF


Luck. :cowboy:

 

[Kanoe]

Is there a difference in using a 300 amp M-series battery switch ($24 on amazon) vs a 100 amp 187 series circuit breaker switch ($52 on amazon)?

I see there’s a price difference but could I just use the M-series battery switch to disconnect my blue sea fuse box from the battery system in my 4Runner?

Thanks!

Sure you could use a switch as a disconnect, but the purpose of the circuit breaker is that it will trip if any piece of downstream work shorts out. It will prevent fires or damage.

Why not use a Maxi-fuse holder right off the battery? They come in 60, 80, not sure if 100 also, maybe. That will be cheap and still protect. Or put the maxi-fuse before the switch if you still want the on/off feature.

People go for the breaker as it is the neatest solution.

Edit: after looking at the 2 products, there is also the size factor. The switches are kind of big and bulky for under hood work. The blue seas breaker is smaller and neater.