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Circuit Breakers

Circuit breakers are the essential devices used in all types of electrical equipment, from commercial and residential wiring, to high-voltage transmission systems. They are an indispensable part of any electrical system and are used to disconnect devices from the power supply in case of any faults, such as excess current, which could damage the equipment. They are also used to protect personnel from electric shock or electrical hazards related to currents.

The LELK2-29906-1-V is a circuit breaker designed to provide reliable protection for electrical trenches in residential and commercial wiring. It is a single-pole, earth-leakage circuit breaker, meaning that it is designed to act as a protective barrier against current leakage through earth connections. When the leak current passes through the breaker, it will trip, resulting in an immediate disconnection of the power. This helps to protect personnel and prevent any excess current which could damage the equipment.

Application Field

The LELK2-29906-1-V is designed for use in low-voltage circuit applications in residential or commercial wiring. It is particularly suitable for use in trenches or narrow pathways, as the design has a smaller width and depth than most other circuit breakers. In addition, it can be installed without the requirement for auxiliary switches, thus reducing overall installation costs.

It is suitable for use in complicated or high-risk circuits, as the breaker has an adjustable voltage range with a tolerance of ±10%. This allows for an optimal response for any type of fault or overload. In addition, its circuit breaking capacity is 2.5kA, meaning that it can cover a wide range of circuit currents.

Working Principle

The LELK2-29906-1-V circuit breaker operates on the principle of earth-leakage protection. In earth-leakage protection, a sensitive sensor is mounted near the power source and wired in series with the circuit. Whenever the current passing through the circuit exceeds the desired level, the sensor detects the increased power flow and signals the breaker to trip. This disconnects the circuit and prevents any further damage.

The LELK2-29906-1-V\'s earth-leakage protection feature is enabled by an adjustable time delay. When the current flows through the breaker, it takes a certain amount of time for the sensor to detect the increased power flow. This delay can be adjusted from 0.1 to 0.2 seconds with the rotary switch mounted on the unit. This reduces reaction time and ensures a safe and efficient operation of the breaker.

The LELK2-29906-1-V also features an adjustable voltage range. This allows the user to select the required voltage of the breakers based on the current flowing through the system. It is important to note that the voltage of the circuit should not exceed the setting of the breaker when it is tripping.

The LELK2-29906-1-V is also certified to International Protection Mark (IPM) Standard, providing high-level reliability. In addition, the breaker features visual and audible signalling functions, allowing the users to quickly identify it tripping.

Conclusion

The LELK2-29906-1-V earth-leakage circuit breaker is a reliable and safe device used in residential and commercial wiring to protect personnel and equipment from any current overloads or faults. Thanks to its adjustable voltage and time delay, it can provide optimal protection and a reliable operation. Its certification to the IPM standard ensures even more high-level reliability, while its visual and audible signalling functions provide instant notification of its tripping.

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