90CJ

Response Time:	Fast
Size / Dimension:	1.102" Dia x 4.606" L (28.00mm x 117.00mm)
Package / Case:	Cylindrical, Blade Terminal (Bolt)
Mounting Type:	Bolt Mount
Breaking Capacity @ Rated Voltage:	200kA
Operating Temperature:	--
Approvals:	CSA
Class:	--
Features:	--
Applications:	Electrical, Industrial
Series:	HRCI-J
Voltage Rating - DC:	250V
Voltage Rating - AC:	600V
Current Rating:	90A
Fuse Type:	Cartridge
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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90CJ Application Field and Working Principle

Electrical, Specialty Fuses

90CJ fuses are an important type of specialty fuses specifically designed to protect equipment from current overloads and overvoltages. The fuse is designed to cut off circuit operation quickly in response to increased current, thus protecting the system and components from harm. The fuses can be found in many different applications, ranging from basic residential protection to complex industrial or telecom system protection.The 90CJ fuse is a type of direct acting fuse which is designed to open when the current exceeds the rated current of the fuse. This is the earliest type of fuse and is still widely used in applications where simplicity is more important than the accuracy offered by other types of overcurrent protection. The fuse provides reliable protection against overloads and short circuits, and is made up of three main components - the fuse element, the connective part of the fuse and the base. The fuse element is a wire element which is surrounded by a ceramic tubing. The element is made from either copper or aluminum and is designed to melt when excessive current passes through it. The fused element is supplied with two soldered connections so that it can be connected to the circuit. The connective part of the fuse is made from the same material as the element and is designed to provide strong contact between the element and the base. The base provides strong electrical connection between the fuse element and the power supply and can also be used to support the fuse and protect against displacement or electrical shock. The working principle of the 90CJ fuse is very simple. When the system receives more current than the rated current of the fuse, the element of the fuse heats up and eventually melts. The melting of the element then separates the circuit, preventing further current from flowing through the circuit and thus protecting the system from harm. While the 90CJ fuse is a very simple and effective solution for overcurrent protection, it does have some drawbacks. Due to the physical nature of a fuse, it is difficult to accurately judge and monitor the current passing through it, making it difficult to detect when the current is exceeding the rated current. As well, the fuse can only be used to cut off circuit operation at the rated current, offering very limited protection against sudden surges or overvoltages. Despite these limitations, the 90CJ fuse is an excellent and cost-effective solution for low-voltage overcurrent protection. Its ability to quickly react to current overages offers a simple and effective solution for residential and industrial applications, and its strong physical construction ensures reliable protection for many years.

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