LJ602003C

Series:	LJ
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Fuseholder Type:	Block
Moisture Sensitivity Level (MSL):	--
Fuse Type:	Cartridge
For Use With/Related Products:	Class J
Fuse Size:	1.5" Dia x 5.752" L (38.1mm x 146.1mm)
Number of Circuits:	3
Voltage:	600V
Current Rating:	200A
Mounting Type:	Chassis Mount
Orientation:	--
Termination Style:	Box Lug
Contact Material:	--
Contact Finish:	--

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LJ602003C Application Field and Working PrincipleFuseholders are essential to the safe and secure operation of many electrical circuits and equipment in all areas of industry. The LJ602003C fuse holder is a UL recognized, high-strength thermoplastic device designed for use with 600VAC-rated Class-R and Class-J fuse links with up to 5/16” diameter blasts. This article will cover the application field and working principles of the LJ602003C fuse holder.

Application Field
The LJ602003C fuse holder is designed for use in various types of equipment and installations. It is mainly used for the overcurrent protection of motor circuits, heater circuits, and electrical equipment in both residential and commercial applications. It is also suitable for use in AC circuits with high inrush current demands, and can be used as a high-temperature fuse holder for temperatures up to 105°C. It is a great choice for applications requiring an enclosed fuse holder with quick-access features, such as UL 508 type motor control centers, UL 891 switchboards, UL 1998 panelboards, and UL 508 personal computer enclosures.

Working Principle
The LJ602003C fuse holder works by interposing an electrical protection device--a fuse, between the power source and the electrical load. In the event of an overcurrent, the fuse creates an open circuit between the two, thereby preventing any further current from flowing through. This prevents any further damage to the load, as well as the power source. In addition, the LJ602003C fuse holder is designed to provide secure retention of the fuse link within the holder and has also been designed for easy replacement of the fuse link when needed.

The LJ602003C fuse holder employs a unique spring and plunger system to ensure secure retention of the fuse link. The spring-loaded plunger is designed to apply a constant pressure to the fuse link, ensuring that the fuse link makes good contact with the electrical contacts within the fuse holder. The plunger is also designed to allow for easy removal of the fuse link, should the need arise. The fuse holder is then secured in the designated fuse holder with a twist-to-lock system, which is designed to securely retain the fuse holder in the mounted position.

In addition, the LJ602003C is designed to meet the voltage and temperature requirements of UL Recognized 60950-1, UL Listed 600VAC-Rated Class-R and Class-J Fuses, as well as the vibration requirements of HEN 1.14, UL Recognized 60950-1, ANSI/UL 1283, and IEC 294-2.

Conclusion
The LJ602003C fuse holder is a high-performance device designed for reliable overcurrent protection in various types of installations and locations. It is UL recognized and has a strength thermoplastic design, which ensures secure retention of the fuse link even in extreme temperature and voltage conditions. It is an ideal choice for use in motor circuits, heater circuits, AC circuits with high inrush current demands, and other applications requiring a reliable overcurrent protection device.

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