Very small fuse for panel meter?

Herbie

Rendezvous Conspirator
I'm hoping someone here can point me to a very small fuse holder or something similar that will be unobtrusive to install. Preferably something I can mount? My google-**** is failing me...

I've got a nice tidy installation with a Blue Sea fuse block right now, so I'm loathe to go back to using crimp-on inline fuse holders for my next project.

I'm about to install a volt meter and switch into an unused space in my van. Primarily I want it for easy checks on the house battery, but I figure I would also like to use it to check solar panel output, as I'm trying to get a sense of how often I need to relocate the panel throughout the day, etc. The place where the charge controller, battery, etc. are mounted is "accessible", but it's tucked back in a corner, and I'm getting tired of trying to reach in there with a portable volt meter.

The meter/switch will be ~5-6ft of (small gauge) cable length away from everything else, so I feel compelled to put a fuse on those lines. The battery side is easy, I have a low-amperage circuit on the BlueSea specifically for house lights, etc. that I can tack onto. For the PV panel voltage, though, I don't have an easy solution.

I'm currently running directly from panel to the Morningstar controller without a fuse. With the addition of the small-gauge wire, I'd need a secondary fuse anyhow, as any fuse for the 8-gauge wiring from the panel would be useless for the 22g stuff I'll run to the meter.

Worst case, I can just tap a mini ATC holder inline off the terminal at the controller, but that will make it harder to secure the wiring and is ugly as sin.

So I'm looking for a small, mountable one-terminal mini-ATC holder, and not finding it... the smallest I've found is 4-terminal, which is way overkill.

Secondary thought: I've got unused terminals in my BlueSea 5025 block - is there any way to isolate one terminal from the positive bus to feed it separately and use it as a standalone holder?
 

Herbie

Rendezvous Conspirator
OK, more relentless googling has turned up this:
atc_waterproof_fuse_holder_12_gauge_leads.JPG


At least this would let me secure the holder to the same mounting panel as everything else...
 

Herbie

Rendezvous Conspirator
Secondary thought: I've got unused terminals in my BlueSea 5025 block - is there any way to isolate one terminal from the positive bus to feed it separately and use it as a standalone holder?

Looks like I'm answering my own questions today. Don't I have a day job?

Anyway, the answer to this one is "Sort Of" - I've found several people who have managed to cut the positive bus bar in their BlueSea blocks, but most tend to split it in half:
2013-01-31_21-00-58_183.jpg

http://www.thenewx.org/forum/showthread.php?t=61635

At a minimum, it looks like you'd need to carve out a pair of terminals, due to how their physically built. Not sure I want to lose a full third of my terminals just to tidy up the fusing for my meter, but this might be useful to someone else.

So yes, you can divide your Blue Sea fuse block into multiple circuits, say for switched and always-on sources.
 

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