19535-300

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Disconnect Switch Components

A disconnect switch is a device used to isolate an electrical circuit. It is an essential safety device for power systems, ensuring that the electrical load is completely turned off before any work is performed on that circuit. The term "disconnect switch" refers to a range of different types of switches, including manual, spring-type, and automatic disconnect switches. The most common type of disconnect switch is the 19535-300.

Application Field

The 19535-300 disconnect switch is an electrically-operated device used in the control of power systems. It is primarily used in commercial and industrial settings, such as factories, warehouses, and other large electrical installations. It is also used in residential applications, such as panel boxes, distribution boards, and outdoor power outlets. Its purpose is to cut off the power flow to the connected electrical circuit in the event of an over-current condition or a short circuit.

Working Principle

The 19535-300 consists of four main components: the handle, the contactor, the terminal, and the overload protection. The handle is used to manually disconnect the switch and interrupts the power to the circuit. The contactor is the actual switch mechanism that disconnects the power when the handle is turned off. The terminal is used to terminate the power supply from the power source. Finally, the overload protection is used to detect any abnormally high currents in the system and automatically disconnect the circuit before it suffers any damage.

The 19535-300 is an electromechanical device and requires an electric supply to operate. When the handle is turned off, the contactor opens the circuit, interrupting the power supply. The overload protection senses an inconsistency in the current flow through the circuit and will automatically disconnect the switch if the current reaches dangerous levels.

In summary, the 19535-300 disconnect switch is an essential safety device that is used in the control and protection of electrical circuits. It is primarily used in commercial and industrial settings, as well as residential applications. It consists of four main components: the handle, the contactor, the terminal, and the overload protection. The handle is used to manually disconnect the switch and interrupts the power supply to the circuit. The contactor is the actual switch mechanism that disconnects the power when the handle is turned off. The overload protection is used to detect any abnormally high currents in the system and automatically disconnect the circuit before it suffers any damage.

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