Contact Intermountain Fuse Supply Inc.
Salt Lake City, Utah
Call: 1-800-246-8336
Fax: 1-801-466-1998

 

 

Salt Lake City, UT, US

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More than Amps
Monday, 23 February 2009 19:28

More than Amps:  If fuses are rated for amps, why are fuses also labeled with a voltage rating?

 This is because not all fuses will work properly with the same voltage. For example a small 1/4" x 11/4" glass fuse rated at 20 amps may work well in a 24-volt control circuit, but if the same fuse was used in a 250-volt application it could shatter and blow glass fragments into the users eyes. A ceramic rather than a glass fuse is recommended for the higher voltage in most applications. Before installing a fuse, check the fuse to see how many volts it is rated for.