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Old 04 January 2012, 13:23   #1
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Circuit breaker and bus bar

I am looking for a DC circuit breaker panel, with main isolator preferably, that has built in +ve and -ve main BUS bars.

Ideally waterproof.

Ive checked out BES, bluesea and a few others. No real luck
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Old 04 January 2012, 15:31   #2
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Personally I'd try and find something suitable in the BEP or Bluesea range as both produce good quality items. You may have to have a separate main isolator though rather than combined.

I'm suprised you want a +'ve bus bar as really each item should be separately fused so a bus bar wouldn't be required for anything other than -'ve.
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Old 04 January 2012, 15:34   #3
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Your problem might be that in DC boat wiring -ve bus bars are not usually on the breaker panel like the neutral is on household wiring.

Bluesea makes nice stuff, unless you are totally wedded to the all in one concept I would get one of their breaker panels with a seperate -ve bus bar.
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Old 04 January 2012, 15:39   #4
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Quote:
Originally Posted by Erin View Post
I'm suprised you want a +'ve bus bar as really each item should be separately fused so a bus bar wouldn't be required for anything other than -'ve.
If you have say 10-15 circuits distant from the battery you want.

+ve battery terminal ->
big fuse ->
big cable ->
remote +ve bus ->
wires leading to individual breakers ->
remote breaker switches ->
wires leaving panel to individual devices.
DEVICE
-ve wires returning to panel area ->
-ve bus ->
big -ve wire ->
-ve battery terminal.
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Old 04 January 2012, 15:42   #5
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I have seen one at a boatshow...... Sounds silly but the electrics may move around a bit as the console gets shifted, I thought a complete unit would make it easier. I think Ill make my own box....

PS by +ve bar, I mean to supply the input end to fuse/breakers. Not load side
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Old 04 January 2012, 15:46   #6
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PS by +ve bar, I mean to supply the input end to fuse/breakers. Not load side
I see. Most of the switch panels I've seen come prewired with the positive looped from breaker to breaker so you just have one connection for the feed wire at the bottom. Being short links the cable on these links doesn't need to be as heavy duty as the long cable from the battery.
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Old 05 January 2012, 16:36   #7
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gtflash you have a pm
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