LELH11-1-63F-7.50-AF-01-V Circuit Protection

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Circuit breakers are an integral part of any electrical system, providing protection against overcurrents and short circuits and ensuring the safety of personnel and property in the event of an electrical fault. There are many types of circuit breakers available, including the LELH11-1-63F-7.50-AF-01-V.

The LELH11-1-63F-7.50-AF-01-V is a type of miniature circuit breaker (MCB) designed for low voltage (LV) distribution systems. It is a three-pole unit with a voltage rating of 63A and a rated current of 7.50A. This circuit breaker is designed for use in applications such as residential and commercial buildings, industrial and agricultural premises, and small and medium-sized installations. The LELH11-1-63F-7.50-AF-01-V is also suitable for applications such as machine tools, lighting, pumps, and other equipment that might cause frequent overloads.

The LELH11-1-63F-7.50-AF-01-V protects low voltage electrical circuits from over-currents and short circuits. It operates according to a thermal-magnetic function, which means that the device is equipped with both thermal and magnetic pieces. The thermal pieces are sensitive to temperature changes due to an overload, while the magnetic pieces are sensitive to current fluctuations.

When an overload is detected, the thermal pieces heat up quickly and cause the circuit breaker to trip. This is then followed by a delayed tripping action of the magnetic pieces, which prevents the voltage from dropping too quickly during a short circuit. After the current is reduced, the circuit breaker resets itself and returns to its original state.

The LELH11-1-63F-7.50-AF-01-V also features a visual indicator that indicates the status of the circuit breaker. The indicator will be green when the circuit breaker is in the "on" position and will change to red when the circuit breaker trips. This visual indicator makes it easier to detect and diagnose faults in the system.

The LELH11-1-63F-7.50-AF-01-V is a reliable and effective circuit breaker for low voltage systems. It is easy to install and is available in a range of sizes and configurations to meet the needs of a variety of applications. Its thermal-magnetic operating principle ensures that it instinctively responds to overload and short circuit currents, protecting personnel and property from electrical risks.

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