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Fuse (electrical)

In electronics and electrical engineering, a fuse is an electrical safety device that operates to provide overcurrent protection of an electrical circuit. Its essential component is a metal wire or strip that melts when too much current flows through it, thereby stopping or interrupting the current. It is a sacrificial device; once a fuse has operated…

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Component type
Passive
Working principle‍
Melting of internal conductor due to heat generated by excessive current flow

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Overview

History

Construction

Characteristics

Voltage drop

Markings

Packages and materials

Dimensions

Fuse standards

Automotive fuses

High voltage fuses

Comparison with circuit breakers

Fuse boxes

Other circuit protectors

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Fuse (electrical)

Nodes101
Edges100
Triples14
Avg. degree1.98
Density0.019802
Components1

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Fuse (electrical)

Top relations

Component type · 1
Fuse (electrical) → Passive
Working principle‍ · 1
Fuse (electrical) → Melting of internal conductor due to heat generated by excessive current flow

Important terminology Word statistics

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Important terminology

fuse fuses current circuit used may voltage rated element power type rating electrical capacity wire device high breakers characteristics protection

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Fuse (electrical)Component typePassive1.00infobox
Fuse (electrical)Working principle‍Melting of internal conductor due to heat generated by excessive current flow1.00infobox
motorsinstance ofThese types of fuse are used on equipment0.80text
which can draw larger than normal currents for up to several seconds while coming up to speed.The I2t valueThe I2t rating is related to the amount of energy let through by the fuse element when it clears the electrical faultinstance ofThese types of fuse are used on equipment0.80text
which can draw larger than normal currents for up to several seconds while coming up to speedinstance ofThese types of fuse are used on equipment0.80text
resettableinstance ofbut can be significant in other technologies0.80text
a pininstance ofSome types of distribution switchgear use fuse links immersed in the oil that fills the equipment.Fuse packages may include a rejection feature0.80text
slotinstance ofSome types of distribution switchgear use fuse links immersed in the oil that fills the equipment.Fuse packages may include a rejection feature0.80text
or tabinstance ofSome types of distribution switchgear use fuse links immersed in the oil that fills the equipment.Fuse packages may include a rejection feature0.80text
which prevents interchange of otherwise similar appearing fusesinstance ofSome types of distribution switchgear use fuse links immersed in the oil that fills the equipment.Fuse packages may include a rejection feature0.80text
coffee makersinstance ofor on a computer motherboard so that a shorted mouse or keyboard does not cause motherboard damage.Thermal fusesA thermal fuse is often found in consumer equipment0.80text
hair dryers or transformers powering small consumer electronics devicesinstance ofor on a computer motherboard so that a shorted mouse or keyboard does not cause motherboard damage.Thermal fusesA thermal fuse is often found in consumer equipment0.80text

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