0034.3985

Series:	FSD 5x20
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Fuse Type:	Cartridge, Glass
Current Rating:	750mA
Voltage Rating - AC:	250V
Response Time:	Slow
Package / Case:	5mm x 20mm
Mounting Type:	Holder
Breaking Capacity @ Rated Voltage:	35A
Melting I²t:	7.99
Approvals:	CSA, UL
Operating Temperature:	--
Color:	--
Size / Dimension:	0.205" Dia x 0.787" L (5.20mm x 20.00mm)

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Introduction to 0034.3985 Fuses

Fuses are devices used for electrical protection. They come in many shapes and sizes, from tiny cylindrical tubes designed for use in applications such as automobiles, to large, box-shaped models used for industrial applications. 0034.3985 fuses are one type of fuse specifically designed for applications involving high voltage power lines. They have become increasingly popular due to their robust construction, high degree of current limitation, fast response time, and resistance to fire.

Application Fields of 0034.3985 Fuses

The 0034.3985 fuse is designed for use in applications requiring protection from extreme current levels. These applications typically include electricity substations, high voltage power cables, and other electrical equipment running high voltages. This type of fuse is particularly useful for applications such as circuit breakers, circuit closers, and surge protection devices. It is well suited for use in hazardous environments, such as those where flammable materials are present. The 0034.3985 fuse can also be used to protect a wide range of electrical components, such as relay assemblies, protective relays, solid‐state trip units, control relays, and more.

Working Principle of 0034.3985 Fuses

The 0034.3985 fuse works by containing a small strip of metal that melts, or fuses, when a high enough current passes through it. This usually happens when the current exceeds the designed limit for the fuse. When the fuse "fuses", it breaks open the electrical circuit and interrupts the flow of electricity. This process prevents a dangerous overload from occurring and keeps the circuit from becoming damaged.The fusing process is quite simple. When the current is above a certain level, it heats up the fuse element, causing it to melt. This interrupts the circuit, allowing the overload to dissipate harmlessly. The element itself is usually made of copper or another conductive material, and it is designed with a specific limit that it cannot exceed before melting. This design makes it possible to use the same element in multiple applications, both safely and efficiently.

Conclusion

The 0034.3985 fuse is a type of electrical protection device used in high voltage applications. It works by containing a small strip of metal that melts when a certain current level is exceeded. By doing so, it prevents any dangerous overloads from occurring and keeps the circuit from being damaged. The 0034.3985 fuse is a reliable and cost-effective way to protect electrical equipment in potentially hazardous environments.

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