Thread: Slow Blow 30 Amp fuse
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07-05-2005 03:46 PM #1
Slow Blow 30 Amp fuse
I am not an electrical guru, so I have a question for those who are.---Is there such a thing as a slow-blow 30 Amp blade type fuse.---this is a 30 Amp fuse that will momentarily take surge loads of higher than 30 Amps without blowing? In a situation where the surge current lasts longer than 5 seconds (or thereabouts), the fuse will blow. I have an electric fan that momentarily spikes up to 60 Amps when the fan comes on, as it goes from zero RPM up to full speed, then settles in and runs at about 15 Amps. The fuse doesn't care that it runs at 15 Amps----it blows during the momentary current spike at start-up. A circuit breaker, even a self resetting one, will trip when the initial surge current passes thru it.---I know that there are slow-blow fuses for smaller amperages, but I haven't been able to find one as large as 30 Amps.Old guy hot rodder
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