Thread: No19 set fuses
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Old 08-01-20, 08:13
Bruce MacMillan Bruce MacMillan is offline
a Canuck/Brit in Blighty
Join Date: Jul 2004
Location: Hell Fire Corner, Kent UK
Posts: 603

Buss and Littelfuse are competitors that produce the same product. The Buss MBB is now called AGC, Littelfuse 3AG is now the 312 series. The high voltage is a fast blow (312) but the 10A is slow blow (313 series). Look closely and you can see a spring at one end of the fuse. This allows a higher inrush current than the actual rating.
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