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<blockquote data-quote="thejoker989" data-source="post: 3539596" data-attributes="member: 567586">Fuse Opening Time:A fuse does not blow when the current reaches its rated current. It is designed to pass its rated current without opening. A fuse will take varying times to blow under different conditions. A fuse will pass significantly more than its rated current for a very short time. It may take 10 minutes or more to blow a fuse at 25% over its rated current. The table below is an example of the specifications for a slow blow fuse. You can see that a 20 amp fuse may pass 40 amps of current for as long as 5 minutes before blowing although it probably wouldn&#039;t take a full 5 minutes to blow. The times for other fuses will be slightly different.%of amp rating&nbsp; &nbsp;&nbsp; Opening time110%&nbsp; &nbsp;&nbsp; 4 hours minimum135%&nbsp; &nbsp;&nbsp; 1 hour maximum200%&nbsp; &nbsp;&nbsp; 5 minutes maximum-bcae1.com</blockquote>

[QUOTE="thejoker989, post: 3539596, member: 567586"] Fuse Opening Time: A fuse does not blow when the current reaches its rated current. It is designed to pass its rated current without opening. A fuse will take varying times to blow under different conditions. A fuse will pass significantly more than its rated current for a very short time. It may take 10 minutes or more to blow a fuse at 25% over its rated current. The table below is an example of the specifications for a slow blow fuse. You can see that a 20 amp fuse may pass 40 amps of current for as long as 5 minutes before blowing although it probably wouldn't take a full 5 minutes to blow. The times for other fuses will be slightly different. %of amp rating Opening time 110% 4 hours minimum 135% 1 hour maximum 200% 5 minutes maximum -bcae1.com [/QUOTE]

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