delay-action fuse的意思|示意

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The delay-action fuse, called delay fuse for short, is a type of electrical fuse that is designed to delay the action of the switch. Delay fuses are typically used in applications where it is desirable to isolate or shut down a circuit after a certain amount of time has elapsed. Delay fuses are often used in control panel applications, such as in control circuits for large industrial electrical motors.

Delay fuse designs consist of a body, an element, and a time delay mechanism. The body is designed to contain and protect the element from physical damage and from other components of the electrical circuit. The element itself consists of two conductors that are connected in an “L” shape. The time delay mechanism is designed to cause the element to open a circuit after a certain period of time.

When current flows through the delay fuse, the time delay mechanism causes the element to open the circuit after a specified amount of time. This delay time is adjustable depending upon the type of delay fuse being used. As the delay time increases, the current-carrying capacity of the delay fuse decreases. Therefore, it is important to choose the right delay fuse for the application in order to ensure that the circuit is not overloaded.

In addition to control panel applications, delay fuses are also used in household appliances and other electrical equipment. For example, some refrigerators and air conditioners use delay-action fuses in order to prevent the compressor from being overworked. Delay fuses can also be used to protect an electrical circuit from overheating.

Delay fuses are a key component of electrical control panel systems, and they can be used in a wide variety of applications. By understanding the basics of delay fuse operation, electricians and other electrical professionals can ensure that the correct type of fuse is chosen for the application in order to protect the circuit from overload and other electrical hazards.