LPJ-450SP

Response Time:	Slow
Size / Dimension:	2.500" Dia x 3.750" L (63.50mm x 95.25mm)
Package / Case:	Cylindrical, Blade Terminal (Bolt)
Mounting Type:	Bolt Mount
Breaking Capacity @ Rated Voltage:	300kA AC, 100kA DC
Operating Temperature:	--
Approvals:	CE, CSA, UL
Class:	J
Features:	--
Applications:	Electrical, Industrial
Series:	LOW-PEAK™ LPJ
Voltage Rating - DC:	300V
Voltage Rating - AC:	600V
Current Rating:	450A
Fuse Type:	Cartridge
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Electrical, Specialty Fuses: LPJ-450SP Application Field and Working Principle

The LPJ-450SP is an auxiliary fuse designed for use in electrical systems. It is part of a group of specialty fuses designed to protect the more sensitive aspects of electrical systems, and has a variety of uses due to its high-current capability. In this article, we look at the application field of the LPJ-450SP and its working principle.

Application Field of LPJ-450SP

The LPJ-450SP is a class of supplementary fuse designed to offer high- current protection to areas of an electrical system that are particularly vulnerable to overload. It has a breaking capacity of 450A, making it suitable for protecting both high-power circuits that require additional protection against current surges, as well as powering everyday household appliances.The LPJ-450SP is often used in residential and commercial buildings, where it may be found protecting critical circuits or essential equipment from current overload. As it is designed to open immediately in the event of an overload, it quickly eliminates any potential damage to delicate components. It is also a cost-effective method of protecting circuits from overheating, as well as providing additional safety to residents of the building.

Working Principle of LPJ-450SP

The LPJ-450SP is designed with a highly sensitive element that detects any current increase and opens the circuit quickly in the event of an overload. The fuse is comprised of an element that is sensitive to overtemperature, and when an overloaded current is detected, it immediately obstructs the circuit preventing any further current from passing.When the circuit is obstructed in this way, it continues to hold any residual current, meaning that if the current overload is the result of a short circuit, the LPJ-450SP can protect other components in the circuit from overheating. The element also continues to close the circuit as soon as the current lowers to a safe level.

Conclusion

The LPJ-450SP is a supplementary fuse designed to protect more vulnerable aspects of electrical systems from surges. It has a breaking capacity of 450A, making it suitable for a variety of applications. It works by using an element that is sensitive to overtemperature, and when an overloaded current is detected, it obstructs the circuit quickly. It is an effective and cost-efficient way to protect circuits from overheating, as well as providing additional safety to residents of the building.

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