What is the purpose of an overcurrent device?

The purpose of an overcurrent device is to limit the amount of amperage in a circuit. This safety device is critical in protecting electrical systems from damage due to excessive current flow, which can occur during faults such as short circuits or overload conditions. When the current exceeds a predetermined level, the overcurrent device interrupts the circuit, effectively preventing overheating of wires and components, which can lead to fires or equipment failure.

In refrigeration systems, maintaining proper electrical current is particularly important because excessive current can not only harm the components of the system but can also compromise its efficiency and reliability. By ensuring that the current remains within safe operating limits, the overcurrent device helps maintain the integrity and longevity of the refrigeration equipment.