5NLE20E

Applications:	Transformer Protection
Size / Dimension:	3.000" Dia x 17.875" L (76.20mm x 454.03mm)
Package / Case:	Cartridge, Non-Standard
Mounting Type:	Holder
Breaking Capacity @ Rated Voltage:	80kA
Operating Temperature:	--
Approvals:	--
Class:	E
Features:	Indicating
Series:	POWR-GARD®
Response Time:	--
Voltage Rating - AC:	5.5kV
Current Rating:	20A
Fuse Type:	Cartridge
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Electrical Specialty Fuses: 5NLE20E Application Field and Working Principle

Fuses are an integral part of any electrical system, and many specialty fuses exist to cater to specific applications. One such specialty fuse is the 5NLE20E.

Application Field:

The 5NLE20E is designed for specialized applications. It is a blade-style fuse with a 20 ampere current rating, and is UL Class RK-5 rated. It has a high-speed blow rating, meaning it has the ability to rapidly react to and protect against electrical surges and spikes. The 5NLE20E is typically found in high technology and medical applications, as it has higher endurance to electrical transients and provides superior protection against short-circuits and overloads. One example of its implementation is in medical imaging, where radiographers use the 5NLE20E to power high-voltage pumps, scanners and other equipment used to look inside people’s bodies. It can also be found in robotics, where it helps protect delicate electronic components and systems. Moreover, it is also heavily used in industrial machinery, such as Automated Insertion of Components (AIC) machines. Here, the 5NLE20E protects sensitive motors and parts from the high demands of the automated process.

Working Principle:

The 5NLE20E operates by using electrical current sensing to activate the fuse element. This process works by monitoring the current draw of the system, and if the current draw exceeds the designed rating of the fuse, the fuse element will heat up. This will cause a copper alloy within the element to expand, thus breaking the circuit. This is an important safety feature, as it prevents hazardous conditions such as over-current or heat buildup from occurring. Fuses such as the 5NLE20E are also important for their thermal characteristics. This allows them to provide superior protection from arcing during an electrical surge, and are able to withstand higher temperatures than regular fuses without opening. This helps to reduce the risk of electrical fires and shorts from occurring. In addition to electrical protection, the 5NLE20E also provides mechanical protection. This is due to the rigid construction of the fuse element. Unlike other fuses, which may bend from mechanical forces or shocks, the 5NLE20E can withstand regular shocks and vibrations, and will remain securely in its housing until it is exposed to excessive current or temperature.

Conclusion:

The 5NLE20E is a specialty fuse designed for specific applications. It is a blade-style fuse with a 20 ampere current rating and UL Class RK-5 rating. It offers superior protection against electrical surges and spikes, and is used in high technology and medical applications. It operates using electrical current sensing, and has a high speed blow rating that allows it to react quickly to electrical transients. The 5NLE20E also provides superior mechanical protection and a higher temperature threshold than regular fuses, making it an ideal choice for various applications.

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