Fuses, Sockets and Circuit Breakers Overview

What Are Fuses?

Fuses protect circuits from overcurrent conditions. A fuse is a resistor that has a low resistance value. In the event that the circuit to which it is attached receives too high a level of current, the fuse will burn out, breaking the circuit. These are low-cost components that are designed to be destroyed in the event that their protection features are needed.

How Does a Fuse Work?

Most fuses have a thin strip of metal in them that serves as the resistor component. When the fuse receives a current over its rated amperage, the metal within the fuse heats up and, eventually, melts, creating an air gap between the contacts on the fuse. This effectively breaks the circuit, providing protection against dangerous electrical conditions.

What Are the Characteristics of a Fuse?

Fuses have various characteristics that denote what types of applications they

1 comment

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