LELC1-1REC5-29755-8-V

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Circuit Breakers: LELC1-1REC5-29755-8-V Application Field and Working Principle

Circuit breakers are devices used throughout the electrical industry for automatic switching and protection against overload, short-circuits and other electrical disturbances. The LELC1-1REC5-29755-8-V circuit breaker, manufactured by TE Connectivity, is a three-pole worldwide-rated circuit breaker offering superior surge protection for a wide range of lighting, distribution and other electrical applications. This medium voltage circuit breaker is UL 1077 certified and is engineered to be consistently reliable, even in harsh and hazardous atmospheres.

The LELC1-1REC5-29755-8-V has an application field of 600V AC/DC to 750 V AC/DC and is suitable for open transition, closed transfer or simultaneous transfer load interruption. It is suitable for motor generator applications with maximum load interrupting capabilities up to 25kA. The breaker is designed to meet UL 489 standard requirements for branch circuit protection and CE requirements for industrial, residential and commercial applications.

The LELC1-1REC5-29755-8-V provides superior overall protection, robustness and reliability in the face of harsh electrical disturbances and rated short circuit currents. It is designed with a minimum breaking capacity of 165kA at 480Vac, and a maximum breaking capacity of 200kA at 600Vac, making it a suitable choice for various electrical applications.

Unlike most conventional electromechanical fuses, a circuit breaker will automatically cut off the main power supply whenever a malfunction or overload occurs, thereby protecting the circuit from any further damage. The breaker’s operations are triggered by an overload current or a short circuit, both of which can create overloads in the circuit.

Once the overload current or short circuit is detected, the breaker trips the circuit. This is done by the use of a solenoid coil and an electric arc. When the coil is energized, it will open the main circuit breaker contacts when the appropriate arc of electric current is detected. This will then de-energize the electrical circuit, and the breaker can be reset once the overload or short circuit has been rectified.

The LELC1-1REC5-29755-8-V also features an adjustable trip setting, allowing the users to customize the settings to suit their needs. A properly and precisely adjusted trip-setting helps to avoid frequent and unintended tripping due to a current overload and short circuit.

The LELC1-1REC5-29755-8-V is designed to provide superior safety and protection for a wide range of electrical loads, no matter the application. With its advanced design and superior capabilities, this circuit breaker is ideal for residential, commercial and industrial applications, offering robust protection and reliable performance in the face of any power disturbances or overload.

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