004257503

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Electrical engineering is a division of engineering that deals with the study, application and design of electrical systems and components. Within the electrical engineering industry, specialty fuses are a particular type of fuse used in order to protect electrical systems. Fuses are safety devices that will "blow" (open) if excessive current flows through the system, providing protection from electrical overload. 004257503 (hereafter referred to as 0425) is a specific type of specialty fuse manufactured by Cooper Bussmann. This article will discuss the 0425\'s application field and its working principle.

The Cooper Bussmann 0425 is a slow-blow type of fuse, meaning it is designed to allow short overloads without blowing, but open when a higher overload current is present. This type of fuse is typically used as a primary protection device in industrial applications, such as transformer or motor protection, squib board protection, and general-purpose protection. It is also used for printed circuit board protection in communications equipment.

The Cooper Bussmann 0425 is a single-use, ceramic-body fuse that comes in ratings from 4A to 40A. It has a unique terminal design that allows for quick and easy installation. The fuse is also available in an "off board" style which makes it suitable for use in equipment with limited space.

The Cooper Bussmann 0425 is a thermal-magnetic type fuse, meaning it uses both a physical element (the wire) and a heat-sensitive device (the ceramic body) to protect the equipment. The wire is held in a ceramic tube, and when an overload occurs, the wire heats up and melts, opening the circuit and preventing further damage. This is known as thermal cutoff. The ceramic body of the fuse is also designed to absorb heat, allowing the wire to cool and reset itself after a short period of time.

The Cooper Bussmann 0425 also has two other important features: a voltage rating of 250V, and a maximum interrupting rating of 10kA. This voltage rating indicates that the 0425 is suitable for use in power supplies with up to 250 volts. The maximum interrupting rating is important for determining the fuse\'s ability to rapidly open a circuit and prevent arcing. This rating is especially important for high-voltage applications such as electric motors and transformers.

In summary, the Cooper Bussmann 0425 is a slow-blow type of single-use, ceramic-body fuse. It is designed for use as a primary protection device in industrial applications, and it is suitable for use in power supplies with a voltage rating of up to 250 volts. The Cooper Bussmann 0425 is a thermal-magnetic fuse that uses both a physical element and a heat-sensitive ceramic body to protect against overloads. It also has a maximum interrupting rating of 10kA, suitable for most high-voltage applications.

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