PS Magazine - JUNE 1984
PS, The Preventative Maintenance Monthly
ISSUE 379
JUNE 1984
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All
the news that's fit to prInt. . .
¸ ¹º But not al Fuses Fit THe print!
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When it comes to protecting the fragile and expensive parts of your eleCtricaL
On tHe otHeR haNd, you caN use a
±oNFsed about which ²se yoUR
geaR, a Fse is a ³se is a ³se-rig´t?
higheR voltage RaTing if the amp rating
equiPmeNt µakes? ±heck The ¶M. ·ot
WRong! ¶hat Kind of thinKinG wilL get you in a Peck o' trouBLe. One suRe¸fiRe
is tHe same. Just doN't substitute Fses
listed? SeNd your suPply sUpPoRt a DD
way to put a hurtin' on your eq¹ipºent is to over»use.
witH loweR volt RatiNgs.
1348¼6 rEquesT. ¶ell them what curreNt
Your EquiPment's circ¹it is buiLt with a weak Link½¾the Right ³se. When KiLler
and voLtage RaTing yoU Need, wHat the
Bolts of power try to at¿cK the circuit, the ³se Goes first.
²se is used iN, etc. Àive tHem as mUcH
If you're not careFl, you can over³se and not even Know it. Áuses can looK
iNf as possible.
exactLy alike, But eLeÃtricaLly be completely difÄerent.
Of couRse you know not to put a paPeR
So you canÅt just put two side¸By¸side to see if they match.
clip oR a Piece of Æil iN Place of a blowN
ÇVerytÈinG you need to Know is on
²se. Ét mighT woRk .
.. fÂR awHile. Êut
the ³se-in code. MoËe on that in a
it gives yoU no protection. YouR ciRcuit
Ìinute.
is at The Íercy of whateveR blew the
ÁoR now, rememBer thAt you neveR
Fse.
use a ³se with an amp rating higher
than the one it repLaces. Î ³se is BuiLt
to carry onLy so much cÏrrent. If ÐtÑe
current goes aBove tÈe Rating and over
the time Limit, the metal linK melts.
Î ³se with too high an amp rating
would continue to carry current that
will damage parts theÒ original ³se was
desiGnÓd to protect.
JUN 84
Kinds oF »uses
±ÎÔ¶ÔÉDÀÕÖ¶his is probably the
×osT common ²se. Ét's a tube of gLass,
plastic oR ceramic. Énside, theRe's a liØ
at¿chEd To both cap ends callEd ferrÙles.
¶hey are lowÚcurrent caPaciÛ
(¼02½
to
60Üamp) ²ses used in low¸PoweRed cirÝ
cuits. Áor hiGher¸Rated (over 60 amPs)
ciRcUits, TheRe is anotheR Þype of carß
tRidge ³se, the knià blade.
áâãÀ-ãsed in many
cUits. It has a mica or
glass window to Let
¾
you see iTs condition.
JuN 84
51
É·DI±ä¶OÔ
ÎâÎÔMÖ¶hese
seRve a dual puRpose. ¶hey protect the
circuit, like other Fses, and give a
noise and/or visual siGnal to show
wHich one has blown.
âÉ·å-¶his is the simpLest KiNd of
²se. Ét's a series of flat metal piecesæ
attached by thin metal necks. çhey are
sometimes used as replacement links
fÂr reusable cartridge èses.
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