LELBX1-38873-20-V

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Circuit Breakers

A circuit breaker is an electrical device used to protect an electrical circuit from damage due to overload. Circuit breakers come in a variety of sizes and configurations depending on the application. One of the most popular circuit breakers is the LELBX1-38873-20-V.

Application Fields

The LELBX1-38873-20-V circuit breaker is designed for use in residential, commercial and industrial applications. It is typically used to protect branch circuits, such as those that power lights, appliances and machinery. The LELBX1-38873-20-V has a 2-pole configuration, meaning it can protect both hot and neutral conductors. The device is rated for 240 Volts AC, 22 Amps and 100,000 Amps of interrupting capacity. This makes it suitable for use in lighting and small appliance circuits with up to 15 kW of total connected load.

Working Principle

The LELBX1-38873-20-V circuit breaker trips to disconnect the circuit if the current exceeds its rated ampacity, and will remain open until it is manually reset. The device contains a thermal-magnetic trip module that opens the circuit when an overload is detected. A thermal element senses a rise in temperature and activates a bi-metallic snap disk that trips when the current increases beyond the rated ampacity. An independent magnetic element detects extremely high levels of current, and will also trip the breaker if the current exceeds the interrupting capacity rating.

When the breaker trips due to an overload, the current causes an electromagnet located in the breaker to activate, separating the contacts and silencing the breaker. Once tripped, the breaker can be manually reset, allowing the current to flow again. The reset mechanism can be overridden if necessary, allowing the breaker to remain open until the underlying cause of the overload is addressed.

The LELBX1-38873-20-V circuit breaker is easy to install and requires minimal maintenance. It is UL-rated to UL 489 and UL 1077 standards and is designed to meet stringent safety, quality and reliability standards. It is also CE certified, which demonstrates adherence to European standards.

In summary, the LELBX1-38873-20-V circuit breaker is a reliable, efficient and easy-to-install device available for a variety of applications. It is UL- and CE-rated, providing superior protection from electrical overloads.

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