KLKD.500T

Series:	POWR-GARD® KLKD
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Fuse Type:	Cartridge
Current Rating:	500mA
Voltage Rating - AC:	600V
Voltage Rating - DC:	600V
Response Time:	Fast
Applications:	Solar (Photovoltaic)
Features:	--
Class:	--
Approvals:	CE, CSA, UL
Operating Temperature:	--
Breaking Capacity @ Rated Voltage:	100kA AC, 50kA DC
Mounting Type:	Holder
Package / Case:	Cartridge, Non-Standard
Size / Dimension:	0.406" Dia x 1.500" L (10.31mm x 38.10mm)
DC Cold Resistance:	8.16 Ohms

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Introduction
KLKD.500T is an application field and working principle of specialty electric fuses that help protect motors, transformers, generators, and other electrical components in the electric power industry. Specialty electric fuses are designed to work under extreme conditions like high-level shock and vibration, dirt, oil deposits, electrical wear and tear, corrosion, and moisture buildup. They can also be used in hazardous areas. This type of fuse has many advantages over conventional fuses, such as improved safety, longer life, improved reliability, and lower maintenance costs.Design and Operation
KLKD.500T electric fuses are usually made from a combination of brushed copper or aluminum contacts, brazed steel shells, and metal alloys. The contacts are designed to create an electrical arc during the operation of the fuse. The current passing through the contacts will be contained and controlled by the insulated shell, which also serves to limit the temperature rise inside the fuse. The rated voltage and current rating are marked on the fuse body to provide an indication of the amount of current that can pass through it.On top of the fuse is a top cap or cover, which is made from either brass or stainless steel and has a terminal on either end. The purpose of the top cap is to prevent direct contact with the energized contacts while providing access for maintenance. Inside the fuse is a spring-loaded mechanical assembly, assembled with a sliding contactor that contacts against a pair of posts, which are connected to the terminals on the top cap. The terminal then allows an external control device to be connected in order to control the fuse operation.Working Principle
KLKD.500T electric fuses work on a simple principle. The current passing through the fuse will heat up the contacts, causing the contactor to open or close. If the current exceeds the rated amount, the contacts will heat up enough to cause the contactor to open and break the power supply. This action isolates the components of the electric circuit, preventing them from receiving any further supply of electricity. Once the current drops back below the rated amount, the contactor will close and resume providing power to the circuit.Applications
KLKD.500T electric fuses are typically used in electric motors, transformers, generators, and other electrical components that require maximum protection from short circuits and overloads. They have a high breaking capacity and can handle high currents, allowing them to provide reliable protection in these applications. These specialty electric fuses are frequently used in power plants, manufacturing plants, electrical substations, and in other hazardous areas. They are also widely used in machine tools, heating systems, and other industrial applications.Conclusion
KLKD.500T is an application field and working principle of specialty electric fuses which are designed to protect motors, transformers, generators, and other electrical components in the electric power industry. The fuse has a combination of brushed copper or aluminum contacts, brazed steel shells, and metal alloys. It works on the principle of heating up the contacts when the current passes through it, which causes the contactor inside the fuse to open and break the power supply. These electric specialty fuses are mostly used in power plants, manufacturing plants, electrical substations, and other hazardous areas. They are also widely used in machine tools, heating systems, and other industrial applications.

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