Over Current Relay: Definition, Function, And Applications

Overcurrent relays or overcurrent monitor relays are used in a variety of applications, such as commercial power systems, industrial buildings, and many others. We will look at the overcurrent relay, it’s working, and the various types available partyguise.

What is Overcurrent Relay (ORR)?

As its name implies, an overcurrent monitoring device monitors the current flowing in a conductor or device. It reacts when the current exceeds the threshold. Overcurrent relays can be used to protect against electrical faults in a variety of applications and systems makeeover.

Electrical faults can include overloading and short circuits. Overcurrent relays provide protection from all these faults. They detect when the current exceeds the safe level, and either disconnect the circuit automatically or send a signal to a device that will protect the circuit lifestylefun.

This type of relay is made up of two components. A sensing device and control device. The sensing element is used to detect current flow through the circuit. While the control element sets the trip current, typically based on the user’s settings.

This post was written by Justin Tidd, Director at For nearly half a century, Swartz Engineering has been at the forefront of industry safety. They are a family-owned company specializing in power distribution for the electrical industry. Our design ensures maximum flexibility for excellent reliability and a high return on investment.

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