3E8PT5.5

Applications:	Transformer Protection
Size / Dimension:	1.563" Dia x 9.500" L (39.69mm x 241.30mm)
Package / Case:	Cartridge, Non-Standard
Mounting Type:	Holder
Breaking Capacity @ Rated Voltage:	50kA
Operating Temperature:	--
Approvals:	--
Class:	E
Features:	Indicating
Series:	POWR-GARD®
Response Time:	--
Voltage Rating - AC:	5.5kV
Current Rating:	3A
Fuse Type:	Cartridge
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

3E8PT5.5 (Medium-Voltage Fuse) is a special type of fuse that protects electrical and electronic equipment from high-voltage power surges. It is used in a variety of applications, ranging from industrial and commercial use to residential applications. This article will discuss the applications and working principles of 3E8PT5.5 fuses.

Application Field

3E8PT5.5 fuses are used in a variety of applications. They are commonly found in industrial and commercial settings, such as in manufacturing plants, power stations, and warehouses. They are also used in industrial machinery, such as elevators, motor controls, and electric welding equipment. In addition, 3E8PT5.5 fuses may be used in residential applications, such as home security systems and air conditioners. Furthermore, these fuses may be used in other specialty applications, such as in an oxygen concentrator, a steel furnace, or a 3-phase induction motor.

Working Principle

The working principle of 3E8PT5.5 fuses is relatively simple. These fuses serve as protective devices by providing a quick and efficient way to disconnect an overloaded circuit. When the current being drawn by a circuit exceeds the rated current level of the fuse, the metal element inside the fuse will melt, effectively cutting off the circuit and preventing further damage.The fuse itself consists of several components. The most important of these components is the element, which is a metal strip or wire that passes through the fuse and can melt when a current exceeding the rated current level passes through it. In addition, the fuse contains a contact, a metal spring, and an insulating base. The contact is what allows electricity to pass through, and the metal spring ensures that the contact remains held in place. The insulating base helps to keep any sparks generated by a fuse from shorting out the circuit.

Conclusion

In conclusion, 3E8PT5.5 fuses are a special type of fuse designed to protect electrical and electronic equipment from high-voltage power surges. They are used in a variety of applications, such as industrial and commercial settings, as well as residential applications. The working principle of these fuses is relatively simple; they contain components such as an element, a contact, a metal spring, and an insulating base which effectively disconnects an overloaded circuit.

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