LELK111-39750-20-V

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Circuit breakers are widely used in nearly every power supply facility, and they are essential components in preventing overloads, faults, and other hazards. LELK111-39750-20-V circuit breaker is a new type of miniature circuit breaker which is used for branch circuit protection in commercial, industrial and some residential applications. It is composed of a low-voltage air switching element mounted inside of a molded case and protected by a circuit-interrupting mechanism.

The application field of LELK111-39750-20-V mainly includes the breaker for overload and short circuit protection and earth fault protection in the common power supply systems in places like workshops, factories, and residential places. It is suitable for circuits of AC 50/60Hz, rated insulation voltage AC 660V, rated operational voltage AC 110V, 220V, 380V, 415V, and rated current 10A to 100A. It is able to detect leaks and would automatically switch off the supply in case of accidents.

The working principle of LELK111-39750-20-V is based on the action of an electric compressor that forms the contact between the spring loaded terminal points and the arc quenching body. When the current passing through the circuit is greater than the rated current of the breaker, the piston chamber of the airswitch expands at a certain rate with the shock of the high current, which causes the spring to stretch and pull back the contactor plate. This will disconnect the arc and prevent further current losses.

LELK111-39750-20-V is the best choice for protecting low voltage power circuits from overloads, short circuits or any other kind of electrical fault. It is designed with features like no external control voltage required, adjustable breaking capacity, front viewable contact position indication, and rapid response to over-currents. It also has an improved mechanism that reduces the chances of mechanical faults during the operation. Furthermore, it can be installed in various positions, making it possible to be used in different types of environments such as wet and dusty places.

In conclusion, LELK111-39750-20-V is an efficient and cost-effective choice for protecting low voltage power circuits from overloads, short circuits or any other kind of electrical faults. It has a wide application range, and its working principle is based on the action of an electric compressor. It is especially suitable for commercial, industrial and some residential applications. By using this circuit breaker, businesses will be able to protect their circuits and prevent hazards from happening.

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