1D15UR

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Circuit Breakers

Circuit breakers are important components of any electrical system, helping to protect circuits and machinery from potentially dangerous levels of current. One type of circuit breaker is the 1D15UR, which is a versatile and reliable type of circuit breaker. This article will look at the application fields of the 1D15UR and its working principle.

The 1D15UR is a miniature circuit breaker that is used in a variety of applications, from domestic or industrial installations and low power distribution, to medium-voltage switchgear and control operation and motor circuits. Its rated current ranges from 1A to 125A, with a rated voltage of up to 690V AC or 1000V DC and a breaking capacity of up to 22kA.

The 1D15UR is designed to provide protection against short-circuits, overloads and other potentially damaging phenomena. The breaker is equipped with a thermal-magnetic trip unit, which features a number of different adjustable settings. This ensures that the unit can be tailored to the specific needs and application, allowing it to be used in a wide range of scenarios.

The 1D15UR\'s working principle is based on the basic principle of a circuit breaker, which is to prevent damage by rapidly opening the circuit when the demand exceeds the safe capacity. When the current reaches the unit\'s setting, the built-in trip unit triggers the release of the coil, which acts on the trip latch to instantly open the circuit. The electro-mechanical or hydraulic action of the trip latch then returns it to its original position when the trip setting is reached. This process requires very little time and helps to prevent serious damage to the switchgear and other equipment.

The 1D15UR also features a number of additional features such as overload protection, automatic reset after a short circuit, ground fault protection, and open-mid-close position indication. Such features make the 1D15UR a great choice for a wide range of applications, from home and industrial installations, to low and medium-voltage switchgear and motor-control operations.

In conclusion, the 1D15UR is a versatile and reliable type of circuit breaker, and its application fields, rated voltage and current, and working principle make it a great choice for a wide range of applications. Its thermal-magnetic trip unit and additional features, such as overload protection and automatic reset, enable it to provide a high level of protection to circuits and other equipment.

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