LELK11-39949-20-V Circuit Protection

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Circuit breakers are essential electrical components that are used in order to protect electrical systems from damage that can be caused by a sudden surge of electricity. The LELK11-39949-20-V is a special type of circuit breaker that is designed to protect against overcurrents and short circuits. In this article, we will discuss the application field and working principle of the LELK11-39949-20-V circuit breaker.

The LELK11-39949-20-V is an overcurrent and short circuit protection circuit breaker, meaning it is designed to detect and interrupt sudden abnormal currents of electricity within a circuit. It is typically used in residential homes, commercial buildings, and industrial complexes, and is well-suited for outdoor applications where the environment is subjected to extreme temperatures and humidity levels. This circuit breaker is designed to operate in a wide range of environments from -26°C to 65°C and up to 90% humidity. It also features a high short-circuit capacity, which makes it suitable for protecting circuits from power surges.

The LELK11-39949-20-V is a single-phase circuit breaker, meaning it is specifically designed to protect circuits with one single phase. As such, it is particularly well-suited to the protection of smaller circuits and electrical installations, such as one-family homes. It is also suitable for light-duty industrial or commercial applications, which are typically powered by single-phase power.

The LELK11-39949-20-V circuit breaker operates according to an electromagnetic principle. When it is installed in a circuit, it monitors the current flowing through the circuit. When a pre-set threshold is reached, a magnetic field is generated, which triggers the circuit breaker to shut off the current. This helps to prevent damage from occurring due to abnormal currents or surges.

In addition to its overcurrent and short circuit protection, the LELK11-39949-20-V circuit breaker also features protection against overloads. This is achieved by using an adjustable thermal-magnetic trip unit, which monitors the temperature of the circuit. When the temperature reaches a pre-set threshold, the circuit breaker will shut off the current to protect the circuit from overloading.

The LELK11-39949-20-V also offers additional protection features, including a manual reset switch and a ground fault indicator. The manual reset switch allows the circuit breaker to be manually restarted in cases of a circuit overload, while the ground fault indicator alerts the user to any ground faults in the circuit. This allows for quick and easy troubleshooting of any issues with the circuit.

The LELK11-39949-20-V is a reliable and highly effective circuit breaker that is well-suited to the protection of single-phase circuits in a wide range of applications. Its overcurrent and short circuit protection, overload protection, manual reset switch, and ground fault indicator help to provide reliable and safe operation in all environments.

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