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fuse question
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Old 22nd August 2002, 07:57 AM   #1
JAZZ2250 is offline JAZZ2250
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Default fuse question

I'm ashamed to ask this, but....
I'm making a circuit following a schematic where 2A fuse is used with the line voltage of 120 V. I don't know if I'll have to use 250V/2A fuse or 250V/1A. I can't find any fuse with 120V rating. Does the voltage rating matter when we choose a fuse?
Thanks in advance.
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Old 14th September 2002, 08:24 PM   #2
fdegrove is offline fdegrove  Europe
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Hi,

Just noticed nobody ever replied to this...
In short a 1A 250VAC fuse would do the job unless you're circuit deviates an awful lot from the original in current consumption.

Rgds,
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Old 14th September 2002, 10:03 PM   #3
peranders is offline peranders  Sweden
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fuse question
Default Re: fuse question

Quote:
Originally posted by JAZZ2250
Does the voltage rating matter when we choose a fuse?
Yes. The rating meens that the fuse safely can break a circuit with MAX the rated voltage. If the fuse is rated for a lower voltage you may have a "ljusbåge" and the fuse never breaks the circuit.

Ljusbåge = blue white plasma, lightning, spark, don't have the english word

It's no harm with a fuse which has lower current rating. If your gear works and the fuse never breaks, then it's OK.
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Old 14th September 2002, 10:09 PM   #4
leiade is offline leiade
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Default Fuses

"Arcing" is the word
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Old 14th September 2002, 10:16 PM   #5
fdegrove is offline fdegrove  Europe
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Default FUSE

Guys!

You Swedes are something else,you know!
Love that salmon though...

Good night folks,
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Old 14th September 2002, 11:47 PM   #6
peranders is offline peranders  Sweden
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fuse question
Default Re: Fuses

Quote:
Originally posted by leiade
"Arcing" is the word
Thank you. The word wouldn't come. Sometimes you get "hjärnsläpp" (hjärna = brain, släpp = drop).
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Old 14th September 2002, 11:52 PM   #7
fdegrove is offline fdegrove  Europe
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Default FUSE

Per,

Don't touch that bottle of Absolute now.
You'ld only pop a fuse and get a black out.

Cheers pal,
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