279-2-1REC4-53F-9-9-7

Series:	*
Part Status:	Active
Lead Free Status / RoHS Status:	--
Moisture Sensitivity Level (MSL):	--

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Introduction

A circuit breaker is an electrical device that is designed to protect the user and the circuit from unexpected damage and damage from short circuits or overloads. It automatically shuts off the power supply to the circuit when it detects an issue. The 279-2-1REC4-53F-9-9-7 is a type of circuit breaker. In this article, we will discuss its application field and working principle.

Application Field

The 279-2-1REC4-53F-9-9-7 is a Class 5, two-pole, thermal-magnetic circuit breaker. It is used in applications where interrupting capacity and fault overload protection is necessary for branch circuit protection. It is highly effective at protecting against nuisance trips, and it can interrupt up to 15 kiloamperes of operating current. It is also suitable for commercial and residential applications.

Working Principle

The 279-2-1REC4-53F-9-9-7 circuit breaker is a thermal-magnetic type breaker. The thermal magnet component of the breaker utilizes a bi-metallic strip which is heated by current flow through the circuit. As current passes through it, the strip heats up and will eventually open the contacts and create an open circuit. The magnetic component of the breaker works in tandem with the thermal component. An electromagnet is used to sense an excessive current in the circuit; when the current exceeds the specified limit, the electromagnet is activated and the contacts are opened. This occurs before the thermal component reaches the temperature necessary to opens the contacts and provides additional protection.

Conclusion

The 279-2-1REC4-53F-9-9-7 is a Class 5, two-pole, thermal-magnetic type circuit breaker. It is designed for branch circuit protection in commercial and residential applications, and it offers a high interrupting capacity and reliable overload protection. Its thermal and magnetic components work in tandem to ensure that the circuit is protected.

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