FN388-4-21

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Power entry connectors are an integral component of many households and commercial industrial electrical systems. They are used in a wide range of applications including lighting, power supply, machine automation and more. A wide selection of power entry connectors are available, from simple devices such as switches and wire connectors to more advanced products such as terminals and modules.

Inlet connectors, also known as receptacles, provide a physical connection between the device using power and the power supply. The device being powered typically plugs directly into the inlet. Inlet connectors come in a variety of styles, materials, and ratings to accommodate a variety of power needs. Some inlet connectors are also rated for moisture, temperature, or corrosive environments.

Outlet connectors, also referred to as plugs, provide the opposite end of the connection between the device and the power supply. The outlet connector is typically removable from the power supply, allowing for the device to be disconnected and removed from the power supply. Similar to inlets, outlets come in a variety of styles, materials, and ratings to meet applications.

Modules are devices designed to regulate power supplied to a device or to monitor a device’s power usage. Modules often contain relays, switches, fuses, breakers, transistors, and other components to protect the equipment and control the supplied power. Some modules are also equipped with instrumentation that can measure current and voltage in order to provide feedback about the power usage or detect an overload or fault condition.

FN388-4-21 is a power entry connector in the form of an inlet receptacle designed for surface mounting on a panel, and its application field and working principle are described below.

Application : FN388-4-21 is typically used where the application requires the user to access the electrical device by means of a mounted enclosure or panel. Examples of such applications include mounted lamps and industrial controls. Other applications include mobile power supplies, doorbells, and home theater systems.

Working Principle : FN388-4-21 consists of two parts, the panel side and the power side. The panel side connects to the enclosure or panel, while the power side is connected to the power source. The power side has two basic components, a hot connection that supplies power from the power source, and a neutral connection for Safety electrical ground connection. When the two components are connected, power is supplied to the electrical device.

FN388-4-21 can be used in a variety of applications and has many different features to offer, such as over-voltage or current protection, flame resistance, anti-static coating, and more. It is a reliable power entry connector that can stand the test of time and environment.

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