nuckolls.bob(at)aeroelect
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 Posted: Sun Dec 06, 2009 5:21 pm Post subject: Protection of wires not feed from the bus . . . |
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Bob,
thanks for your reply, my question was not clear.
I plan to use 2 of the multi-slot fuseblocks you show in AeroElectric Connection for power distribution, one as a master buss, the other for an avionics buss.
I also need a multi blade fuse holder for other in-line applications, wires that do not terminate at either buss, for example, i need two 1 amp fuses inline on each wire between the shunt and the EFIS, etc.
I have seen blade fuse holders at auto stores that hold 6-12 fuses, however, these don't appear to be great quality, can you suggest something suitable?
The fuses needed for protection of individual
wires NOT powered directly from a distribution
bus are located as close as practical to the
end of the wire from which the SOURCE of risk-
energy is connected.
E.g. note that fusible links on shunts in the
z-figures are AT THE SHUNTS. B-lead fuses for
alternators are located at the end of the wire
AWAY from the alternator. Alternators cannot
blow their own b-lead protection . . . but the
battery to which they attach can source many
hundreds of amps of fault current.
So your quest for an ASSEMBLY of independent
fuses to be wired into a variety of wires
needing protection doesn't make sense. The
style of fuse holder you're asking about DOES
exist in a number of products:
[img]cid:7.1.0.9.0.20091206191629.01d4cf88(at)aeroelectric.com.0[/img]
This photo is for one such device. But it's
utility is LIMITED to a few instances where
RISK ENERGY SOURCES for all wires to be
protected is located close by.
For the instances in the Z-figures where
single lines are fused, in-line fuse holders
are recommended. Avoid any style that uses
cartridge fuses:
[img]cid:7.1.0.9.0.20091206191629.01d4cf88(at)aeroelectric.com.1[/img]
Holders for blade terminal fuses are preferred
for longest service life:
[img]cid:7.1.0.9.0.20091206191629.01d4cf88(at)aeroelectric.com.2[/img]
Splice these into the protected wire as close
as practical to the risk energy source.
Bob . . .
////
(o o)
===========o00o=(_)=o00o=========
< Go ahead, make my day . . . >
< show me where I'm wrong. >
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