LELK11-1-61-40.0-U-01-V Circuit Protection

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Circuit breakers play a key role in the smooth running of electrical systems, and the LELK11-1-61-40.0-U-01-V is no exception. It is a popular circuit breaker manufactured by INORSA, designed to protect low voltage electrical circuits from being overloaded. The LELK11-1-61-40.0-U-01-V circuit breaker provides overload and short circuit protection for a wide variety of applications.

Application Field

The LELK11-1-61-40.0-U-01-V is a suitable choice for many types of circuits, including power systems, heating and lighting circuits, and industrial production lines. It can be used in residential and commercial buildings, as well as in industrial and manufacturing environments. The LELK11-1-61-40.0-U-01-V is also suitable for use in hazardous areas where hazardous gases and other flammable materials may be present.

The LELK11-1-61-40.0-U-01-V has a rated voltage of 400 VAC, and is capable of switching off circuits without exceeding the maximum current ratings. Its rated frequency is 50 Hz and 16 Amperes, and it is available with trip class 3, 4, 5, 6, and 7. The LELK11-1-61-40.0-U-01-V is also available with an adjustable instantaneous short-circuit release and adjustable long-term short-circuit protection. This makes it ideal for applications where the exact current rating is not known in advance, or where the circuit is subjected to frequent short-circuits.

Working Principle

The LELK11-1-61-40.0-U-01-V circuit breaker has an electro-mechanical design. When the current passing through the breaker reaches its rated value, the overcurrent protection trips the breaker. This is done by the overcurrent protection mechanism, which is an electromagnet and its associated coil. The electromagnet is powered when the current exceeds the rated value, generating a magnetic field which pulls the contacts of the circuit breaker apart, breaking the circuit. The circuit breaker then must be manually reset before it can be used again.

The LELK11-1-61-40.0-U-01-V also has a short-circuit protection mechanism. This is an electronic switching device called a contactor, which switches off the circuit when a short-circuit is detected. The contactor has three contacts - one for the line voltage, one for the grounded side of the circuit, and one for the short-circuit current. When the short-circuit current exceeds the contactor\'s rated value, the contactor is activated, and the circuit is switched off. The contactor must be manually reset before the circuit can be used again.

In addition to overload and short-circuit protection, the LELK11-1-61-40.0-U-01-V circuit breaker also features an integrated thermal protection mechanism. This is a temperature-sensitive device that trips the breaker when the temperature of the circuit exceeds a predetermined level. This provides an additional layer of protection against overcurrent and short-circuit events.

Conclusion

The LELK11-1-61-40.0-U-01-V circuit breaker is a great choice for many applications in residential, commercial, and industrial environments. It provides reliable overload and short circuit protection and thermal protection, making it an ideal choice for many applications. With its adjustable instantaneous short-circuit release and adjustable long-term short-circuit protection, the LELK11-1-61-40.0-U-01-V is sure to provide safe and reliable protection for any low voltage circuit.

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