A20503RNCQK

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Rotary switches are widely used in industries and equipment due to their ease of use and relatively low cost. The A20503RNCQK is a type of rotary switch manufactured by TE Connectivity and is designed for use in a variety of applications. It is a five position rotary switch with a 14mm diameter, 16 terminals, and a 10A (125VAC) rating.

The A20503RNCQK is primarily used as a switching device in a variety of electrical circuits. It can be used to select between different output options, to enable or disable circuits, and to set various operating parameters in an automated system, among many other uses. It is often used in devices requiring a reliable, robust electrical switching mechanism, or when installation space is limited due to its small size.

The rotary switch works by providing a bridge between two points of contact on the switch itself. When a user rotates the switch to a certain point, a metal wiper or contactor will come in contact with two metal terminals and make a connection. Because the connection is firmly secured and does not rely on any soldering or wiring, this type of switch is a reliable and cost effective solution for many different types of circuits and applications.

The A20503RNCQK is a limited-rotation, detent-type rotary switch, meaning that it is designed to stop at each of its five positions. The detent mechanism is designed to keep the switch in its current position, both while it is in use and while it is not in use, and this feature helps ensure that the switch will not change positions accidentally.

The A20503RNCQK features 16 metal terminals that are arranged in pairs. There are five pairs of metal terminals, one for each position, which are connected by a metal bridge. When the switch is in the OFF position, none of the metal terminals make contact and the circuit is open. When the switch is rotated to any of the other four positions, the metal wiper will come into contact with two metal terminals and make a connection, creating a closed circuit.

In conclusion, the A20503RNCQK is a reliable and versatile rotary switch designed for use in a variety of applications. It features a limited-rotation, detent-type design and is able to withstand up to 10A of current, making it suitable for a wide range of applications. Its easy installation, intuitive operation, and robust construction make it an excellent choice for many different projects and applications.

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