1CU8L

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In the application of circuit breakers, the IEC60947-2 standard makes reference to a device, the 1CU8L, which is used very often in this field. It is a type of contactor, also referred to as a “magnetic contactor”, which provides a reliable and versatile method of controlling electric power. Here, we will discuss the application field of the 1CU8L and discuss its working principle in detail.

The application field of the 1CU8L is extensive, as it covers a wide range of electric apparatus. This includes the overload protection of mine hoist, construction hoist, elevators, and electric locomotives. In addition, the 1CU8L may also be used in the control and protection of other installations such as pumps, compressors, generators, electric motors, and so on.

In relation to its working principle, the 1CU8L is designed to act as a breaker of the main current, so that the power supply can be slowly deactivated in the case of an emergency. This is done by using a series of magnetic contactors (usually referred to as the 1CU8L), where each contactor is connected to the other contactors in series, effectively forming a chain. These contactors are activated in order to open the main current by using a magnetic field generated from a small coil, known as the pole coil. The pole coil acts as a trigger point, and when it is energized, it creates an alternating current which will move the contactors to open the main current. To ensure that the main current is interrupted, the 1CU8L provides an excessive current protection component, called the overcurrent protection component, which will cause the contactors to open if the current passes through it at a higher than rated level. This allows the device to protect against possible fires, electrical shocks, and other safety risks that can be caused by electricity.

In addition to the overcurrent protection component, the 1CU8L also includes a reset component which will cause the contactors to close again when the power is turned off. This is done by using a mechanism inside the device called a reset transformer, which will generate an alternating voltage which will cause the contactors to close. This helps to make sure that any current generated from the overcurrent protection component will be interrupted and the main current will be restored.

In conclusion, the 1CU8L is a critical component of an electric circuit breaker and is an essential piece of equipment for controlling electric power in many applications. It has a wide range of applications and a reliable working principle which allows it to provide efficient and safe control of electricity. By including an overcurrent protection component, it helps to prevent dangerous electrical fires and other safety risks associated with electricity that could otherwise result in injury or even death.

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