A40303RSCBK

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The A40303RSCBK is a part of rotary switches family that varies in application field and working principle. Yet this version of the rotary switch is usually used for controlling the power or data flow in the circuit. It is available in different sizes and configurations, from a single-pole four-position switch to multi-pole sixteen-position switch, depending on the requirements.

A40303RSCBK rotary switches employ a cylindrically shaped cam that is rotated within the switch housing. The cam has evenly spaced slots cut in the circumference, each slot corresponding to an operating position. The movable switch can be composed of a stationary contact, a rotating contact, and an actuator shaft assembly. When the shaft rotates to change the switch position, its axial movement causes the actuator to activate the cam. The cam movement then slides up and down the contacts, effectively making and breaking the connection.

The stationary contact is a spring-loaded, moveable contact that is designed to fit tightly between the slots on the cam. The sliding-plate contact is driven by a cam follower that moves up or down as the cam rotates, causing the contacts to press into the cam slots at the predetermined positions. This contact configuration can be used in power switching applications to control the voltage in an audio amplifier or to turn an electric motor on and off.

The actuator shaft is the component which accepts the electrical signals from the movable contact and sends that signal through to the other components. This is usually done with a set of springs, which provide pressure against the cam and cause the switch to move in a circular motion. The actuator shaft also provides the necessary electrical connection between the stationary switch and the movable switch.

In summary, A40303RSCBK rotary switches are versatile and reliable devices used to control power or data flow. They have a cylindrically shaped cam with evenly spaced slots, and a stationary contact, a rotating contact, and an actuator shaft assembly which enables the switch to perform its intended function. The actuator shaft is responsible for reading the input signals and sending that signal to the other components.

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