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Joined: May 2005
Posts: 100
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Joined: May 2005
Posts: 100
Does anyone know how the current rating of these fuses can be determined? I have "repaired" my bad ones by using a strand from copper wire in an old vacuum cleaner cord. A broken Amphenol connector shorting out confirmed the "fuses" work, but I would like to see exactly what the original current rating was.


You can always tell when something is old if it says "Made in USA"
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Joined: Jan 2005
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Moderator-Vertical, Vodavi, 1A2, Outside Wire
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White ones are 1-1/3 amp, the red ones are 1/2 amp. Other than that, I can't remember the other ones.


Ed Vaughn, MBSWWYPBX
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Looked out in shop, Brown looks like 3/4 and orange looks like 2 amp. Have assorted fuses in original boxes.

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OK I have the browns, have not seen the orange ones yet. Since they are old maybe the colors have faded?


You can always tell when something is old if it says "Made in USA"
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1A2 really only used white, red and brown ones. The other colors were used mostly in the Dimension and Horizon PBX equipment and had much lower ratings.


Ed Vaughn, MBSWWYPBX
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They were used in the C.O. as well, I will look for my old notes to see what I can find. I know some had white stripes on the colored end and that was for slow blow. Violet = .25amp Brown=.75amp

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Here is a list based on my stock.


70A White 1 1/3 amp

70B Orange 2 amp

70C Blue 3 amp

70D Green 5 amp

70E Yellow .180 amp

70F Violet .25 amp

70G Red .50 amp

70H Brown .75 amp

70K Red/White .25 amp

70P Violet/White .15 amp

They were used in great quantities in the XBT office

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Check out https://host1.publiquik.com/bussman_web/family.cgi?familyUid=379
for the whole series of telecom indicator fuses.

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That link does not work.
Jeff


Jeff Moss

Moss Communications
Computer Repair-Networking-Cabling
MBSWWYPBX, JGAE
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Sorry, I'm new to the group and under performance pressure: 2 "n"s in Bussmann:

Check out https://host1.publiquik.com/bussmann_web/family.cgi?familyUid=379
for the whole series of telecom indicator fuses.


Moderated by  ChrisRR, EV607797, Silversam 

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