80NHG0B

Applications:	Industrial, Motor Protection, Solar (Photovoltaic)
Melting I²t:	9800
Size / Dimension:	2.677" L x 1.181" W x 1.969" H (68.00mm x 30.00mm x 50.00mm)
Package / Case:	Rectangular, Blade
Mounting Type:	Holder
Breaking Capacity @ Rated Voltage:	120kA
Operating Temperature:	--
Approvals:	CE, VDE
Class:	NH
Features:	Indicating
Series:	--
Response Time:	--
Voltage Rating - AC:	500V
Current Rating:	80A
Fuse Type:	Square
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

80NHG0B is designed to provide overload and short-circuit current protection for applications that require high interrupting current ratings. It is designed for use in industrial, commercial, and residential wiring applications, and features a molded-case design (MCB) and a shrouded terminal design for optimized fuse performance. 80NHG0B is a type of electrical specialty fuse that is used to protect against electrical current overloads.

Application Field

80NHG0B is a type of electrical fuse that is designed to protect any circuit from being overloaded or shorted out by an electrical current. It is commonly used in applications such as power supplies, electric motors, and transformers that require a high interrupting current rating. It is also often used in commercial and residential wiring, as well as in these applications involving MCBs.

Working Principle

The working principle of the 80NHG0B is based on the fuse element melting under high temperatures. Under normal operating conditions, the temperature of the fuse element stays below the melting point. However, when a short circuit or an overload occurs, the large surge in current produces heat, that in turn raises the temperature of the fuse element to above the melting point. At this point, the electrical current is interrupted, and the circuit is protected.

Components & Structure

80NHG0B is composed of three primary components including the fuse element, the molded-case housing, and the contact pins. The fuse element used in 80NHG0B is made of metal and its shape is designed specifically for the application to maximize performance. The housing of the fuse is made of a molded-case material and is designed in such a way that it can effectively withstand the heat generated by an overload or a short circuit. The contact pins connect the fuse to the application, and the shape of the pins is designed to ensure a secure connection.

Installation and Maintenance

When installing 80NHG0B, it is important to read the manufacturer’s instructions and follow all safety protocols. The fuse should be securely mounted onto the application and the contact pins should be connected properly. The manufacturer may also have specific connection instructions that need to be followed in order to achieve optimal performance. Regular checks and maintenance are recommended to ensure the proper functioning of the fuse. The fuse should be inspected regularly for any signs of wear and tear, particularly in applications where electrical current fluctuates. The contact pins should also be checked regularly for any signs of corrosion or damage. Additionally, the fuse should be replaced when it reaches the end of its lifetime.

Conclusion

80NHG0B is a type of electrical specialty fuse that is designed to provide over-current and short-circuit current protection in applications that require high interrupting current ratings. It is composed of a fuse element, a molded-case housing, and contact pins and is used in applications such as power sources, electric motors, and transformers. Installation and maintenance must be carefully followed to ensure optimal performance, and the fuse should be replaced regularly in order to protect the application.

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