What is the difference between these fuses: 5amp (24v) and 5amp (32v)?

Question

Hello,

I need to replace a 5 amp fuse. My A/C has a 24v circuit board. I went to radio shack and they don't sell 5 amp fuses for 24v, instead they only have a 5amp 32v fuse (same as the car uses).

Do you think if I install the 5amp 32v fuse will damage the circuit board?

Answer 1

No it will not hurt the board. That 32 is only the rating of the max voltage the fuse is designed to handle. The 5 amp is the important one.

tcw

Answer 2

You can use a 32v 5amp fuse for a 24v 5 amp application, but not the other way.  The voltage is the maximum voltage the fuse can be used with, therefor a 32v fuse can be used in a 24v application.

Answer 3

NO

A fuse is just a small piece of metal wire designed to break when over-powered.

Instead of a fuse you could simply use a piece of metal.

You'll only risk your circuit board from blowing up in case of a surge (where normally the fuse would melt).

Answer 4

The 5 amps is where the protection is, you can use the 32 volt with only the 24 volt system  without any problems, and still be protected as original fuse.

Answer 5

The voltage rating on the fuse denotes the amount of voltage the fuse will withstand.

The element on both fuses will melt when the current flow (amperage) exceeds 5 amps.

If the fuse fits in the holder (it may not) it will be ok to use the 32v fuse since it is rated for higher voltage.