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Old 3rd June 2013, 07:38 AM   #1
Naidu is offline Naidu  Singapore
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Default Fuse Wire

Hi,
I need a short length of 2 amp, quick blow fuse wire. Can anyone tell me where I can buy this. Thanks.
Rgds,
Nara
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Old 3rd June 2013, 08:01 AM   #2
Mooly is offline Mooly  United Kingdom
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I have never seen "fast blow" fuse wire sold by "length". Would a fuse holder and fuse not be more suitable ?
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Old 29th August 2013, 10:19 AM   #3
d3imlay is offline d3imlay  United States
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Quote:
Originally Posted by Mooly View Post
I have never seen "fast blow" fuse wire sold by "length". Would a fuse holder and fuse not be more suitable ?
I don't know where to find it but have seen it used. The "water fuse" was a piece of 10A (I think) fuse wire wrapped around a stud type fuse block. When immersed in a bucket of water it was good for more than a hundred amps.

The application was troubleshooting inverters in the 5-30kva range. When a fault developed in the inverter (blown SCR) The water fuse would clear very fast. It saved replacing fuses at $50 or more until the inverter was repaired. I haven't seen this technique in years and would probably be forbidden with todays safety procedures.
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Old 29th August 2013, 11:15 AM   #4
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24guage tinned copper solid wire is rated at 2Amps as fuse wire. Normally hand wired fuses are slow blow if coiled and fast blow if straight.
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Old 30th August 2013, 09:10 AM   #5
Naidu is offline Naidu  Singapore
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Default Fuse wire

Hi,
I solved this long ago, bought a glass fuse of the required Amp, broke the glass and soldered it between the 2 posts on the circuit board, working fine.

Rgds,
Nara
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Old 30th August 2013, 09:16 AM   #6
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Just to qualify "Fast Blow", that means faster blowing than slow blow but NOT ultra fast blow. A bit like BS1362, (the fuse will blow instantly at 10 times the rating).
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Old 30th August 2013, 10:51 PM   #7
Jsixis is offline Jsixis  United States
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Quote:
Originally Posted by JonSnell Electronic View Post
24guage tinned copper solid wire is rated at 2Amps as fuse wire. Normally hand wired fuses are slow blow if coiled and fast blow if straight.
nice to know as 90% of what I do is 2 amps or less
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