MS-EX20-4

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MS-EX20-4, a multifunctional time-delay relay, is an advanced protective device developed and designed for the small and medium-sized distribution systmes, used in the field of industrial automation control. This equipment is mainly used to protect electrical equipment from possible failure and improve the safety and stability of the system. The MS-EX20-4 has a wide range of applications in the production automation of factories and other industrial control fields.

The working principle of the MS-EX20-4 time-delay relay is based on the electromechanical contact. The circuit of electromechanical contact consists of movable contact points, stationary contact points and a time-delay part composed of winding coils, a core and a recoil mechanism. When power is applied to the coil in a circuit, it generates an electromagnetic field, which drives the contact points to move and establish contact. The processing time depends on the winding coiling structure and the construction of the recoil mechanism. After the contact is established, current will go through to the output circuit to generate the desired output action. At the same time, the recoil force will cause the contact points to move and separate, thus ending the output action.

The MS-EX20-4 has a wide range of applications, such as protective relays, industrial automation controls, temperature controlling systems, light systems, and motors etc. It can be used to control temperature, control the switching of circuits, monitor signals and control motors. It is also widely used in the protection of electrical appliances. It can protect the electrical appliances by disconnecting the power supply to those appliances when they are overloaded or short-circuited. It can also be used for current overload protection, undervoltage protection and automatic switching.

In addition, the MS-EX20-4 can also be used as a time delay relay. It can be used to delay the start and stop of a device or machine. It can also be used to provide a delay in the switching of circuits. This helps to reduce energy costs, prevent electrical equipment from malfunctioning and protect the safety of personnel. This relay also has an electronic output function which can be used for controlling the operation of a device or machine.

The MS-EX20-4 time-delay relay is a reliable and versatile protective device that can be used in various applications in industrial automation control. With its wide range of applications, its simple structure and its convenient installation and operation, it is an ideal choice for industrial automation control needs.

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