LELK1-1-52-40.0-V-21-V

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Circuit breakers (CBs) are indispensable components of any electrical system. They are designed to protect electrical components from over-current, overload or short circuit. The LELK1-1-52-40.0-V-21-V is one such CB. This type of CB is designed for medium voltage applications and provides excellent protection from electric shock, thermal overload and short circuit.

The LELK1-1-52-40.0-V-21-V is a three-pole CB suitable for use with AC voltage of up to 13.8 kV. It is capable of making or breaking under full-load and/or short-circuit conditions. A unique feature of this CB is its ability to make a thermal evaluation of current, voltage and system temperature, which allows the CB to adjust its tripping time accordingly. The LELK1-1-52-40.0-V-21-V is equipped with a built-in fault locator which allows it to detect and localize faults quickly. This makes it an ideal solution for medium voltage applications where response time is essential.

The working principle of the LELK1-1-52-40.0-V-21-V is relatively simple. When the current passing through the CB exceeds its nominal rating, the CB trips and interrupts the current path. A high current rating ensures that the CB can handle even the most demanding power surges. The CB also has a selectable short-circuit current rating, which allows the user to tailor it to the application.

The LELK1-1-52-40.0-V-21-V can be used in a variety of applications, such as motor control centres, main switchboards, standby power systems, emergency power supply and UPS systems. In addition, it is compatible with all current types and frequencies, making it an ideal choice for a wide range of installations.

The LELK1-1-52-40.0-V-21-V offers a reliable, cost-effective solution for protection against electric shock, thermal overload, and short circuit. Its combination of selectable current rating, built-in fault locator, and compatibility with all current types and frequencies make it an ideal choice for any medium voltage application.

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