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View Full Version : What "interrupt rating" for amp fuse?

cranqued
05-10-2009, 01:27 PM
Need a 3A fuse for a Matchless, and I have a choice of two "interrupt ratings" from mouser.com.

- 100 Amps (http://www.mouser.com/Search/ProductDetail.aspx?qs=sGAEpiMZZMseCiJT91fwIvdhk5E7 yHqSBW6f3WtDRSc%3d)
- 10 KAmps (http://www.mouser.com/Search/ProductDetail.aspx?qs=sGAEpiMZZMseCiJT91fwInvVtKgv vYZHC5Qt1mJvVjc%3d)

Is the 100 Amps spec enough? Too many options! :crazy
mike80
05-10-2009, 04:30 PM
The 100 amp should do you just fine.

The interrupt rating is the maximum current the fuse can cut off safely. I highly doubt you'll see more than 100 amps to your amp, unless it gets struck by lightning.
cranqued
05-10-2009, 04:46 PM
With my luck, I might want to plan on lightning.

Thanks, Mike.