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Where space permits, a miniature circuit breaker is sometimes used to replace a blade-type fuse in the same fuse holder. Blade fuses use a common coloring scheme for the Micro2, Micro3, low-profile (LP) Mini, Mini, and regular size fuses, and a partial color similarity with the maxi size fuses.
Some blade-type terminals are held by spring clips. Blade type fuses often require the use of a special purpose extractor tool to remove them from the fuse holder. Renewable fuses have replaceable fuse elements, allowing the fuse body and terminals to be reused if not damaged after a fuse operation. Fuses designed for soldering to a printed ...
Note: these fuses were manually traced from the following pdf-datasheets: (No part of the original PDF remains in this SVG file) Littlefuse.com: datasheet of Micro2 fuse [ dead link ] Littlefuse.com: datasheet of Micro3 fuse [ dead link ] ( actually used version, with vector graphic of fuse )
Resettable fuses - PolySwitch devices. A resettable fuse or polymeric positive temperature coefficient device (PPTC) is a passive electronic component used to protect against overcurrent faults in electronic circuits. The device is also known as a multifuse or polyfuse or polyswitch.
In electrical engineering, IEC 60269 is a set of technical standards for low-voltage power fuses. [1] The standard is in four volumes, which describe general requirements, fuses for industrial and commercial applications, fuses for residential applications, and fuses to protect semiconductor devices.
The fuse elements used in most distribution cutouts are tin or silver alloy wires that melt when subjected to high enough current. Ampere ratings of fuse elements vary from 1 ampere to 200 amperes but a solid door will allow the full 300 ampere capacity of the cutout to be utilized.
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