KLNR500.X

Response Time:	Fast
Size / Dimension:	2.594" Dia x 10.374" L (65.90mm x 263.50mm)
Package / Case:	Cylindrical, Blade Terminals
Mounting Type:	Holder
Breaking Capacity @ Rated Voltage:	200kA AC, 20kA DC
Operating Temperature:	--
Approvals:	CE, CSA, UL
Class:	RK1
Features:	--
Applications:	Electrical, Industrial
Series:	POWR-GARD® KLNR
Voltage Rating - DC:	125V
Voltage Rating - AC:	250V
Current Rating:	500A
Fuse Type:	Cartridge
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

The KLNR500.X is an electrical specialty fuse designed for applications up to 500V AC and 250V DC. It is designed with a breaking capacity of up to 35 kA, making it suitable for the protection of medium-voltage circuits, especially in the industrial and automotive markets. The KLNR500.X is a compact UL-listed component, easily mountable onto thermal management boards and products. This article will discuss the application field and working principle of the KLNR500.X specialty fuse.

Application Field of the KLNR500.X Specialty Fuse

The KLNR500.X specializes in protection of medium voltage circuits in the industrial and automotive markets. The UL-listed component is suitable for applications up to 500 volts AC and 250 volts DC. Its 35 kA breaking capacity makes it suitable for applications up to 630A. The compact design allows for easy installation onto thermal management boards and products, and minimal wiring requirement. It also offers flexibility in placement, making it suitable for a number of locations. The KLNR500.X is an economical choice for a wide range of medium voltage applications.

Working Principle of the KLNR500.X Specialty Fuse

The KLNR500.X utilizes an electrical arc quenching chamber and solid copper alloy conductors to achieve its UL listing. An electronic element inside the chamber is used to trip the fuse at the appropriate current level, and a current-sensing mechanism is integrated into the design to ensure the fuse trips at the correct current. The arc quenching chamber utilizes a combination of gases and solid material to extinguish the arc created when the fuse trips, thereby protecting the circuits from further damage. Additionally, the solid copper alloy conductors effectively conduct power while the current-sensing mechanism ensures the fuse trips at the appropriate current level.

Conclusion

The KLNR500.X is a UL-listed specialty fuse designed to protect medium voltage circuits in the industrial and automotive markets. It is capable of protecting applications up to 500 volts AC and 250 volts DC and has a breaking capacity of up to 35 kA. The compact design allows for easy installation onto thermal management boards and products, and minimal wiring requirement. It utilizes an electrical arc quenching chamber and solid copper alloy conductors to achieve its UL listing and is an economical choice for a wide range of medium voltage applications.

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