What is the main purpose of an overcurrent protection device?

The main purpose of an overcurrent protection device is to prevent excessive current that could cause damage or fire. These devices are critical in electrical systems as they monitor the current flow and automatically interrupt the circuit when the current exceeds a predetermined level. This proactive measure safeguards wiring, devices, and equipment from overheating and potentially igniting a fire due to excess current. By ensuring that the current remains within safe limits, overcurrent protection devices help maintain the integrity and safety of electrical systems, protecting both property and lives.

In contrast, increasing electrical flow or allowing continuous current flow do not align with the purpose of overcurrent protection. Additionally, while reducing voltage levels is an important aspect of some electrical safety measures, it is not the function of an overcurrent protection device. Their primary role is to act as a safeguard against the dangers posed by excessive current in an electrical circuit.