435123-1

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Rotary Switches

A rotary switch, also known as a rotary dial switch, is an electrical switch with a rotating actuator that remains in the same position. It may have multiple positions and two or more contacts depending on the number of selectable output. When the actuator is rotated, the contacts switch, as if turning a dial for “on” and “off” or other selected functions. The rotated actuator offers a degree of shielding from outside interference and may also be used as a lockout feature.

435123-1 Application Field and Working Principle

The 435123-1 rotary switch is a multipole switch with 3 positions and 18 options. It is a single-pole, triple-throw switch with a momentary contact and is suitable for applications such as lighting, motor control or similar duties. The switch features an IP20 dust-proof housing, a green plastic actuator, two copper contacts and two gold-plated contacts.

The 435123-1 switch has a rotary-actuated mechanism inside, allowing a user to manually turn the face plate to select a new position. When a switch is in its idle state, the contacts are always in contact, regardless of the face plate position. As the face plate is turned, the contacts move away from each other and then, when the desired position is reached, return to the contact position, completing the circuit.

The 435123-1 switch is designed to be start-stop, meaning that when the switch is turned in either direction, the circuit is broken and the switch will return to its idle state. This feature helps to prevent damage to the contacts caused by continuously switching the circuit on and off.

The 435123-1 switch is also designed with a ratchet mechanism that locks out unauthorized use. This feature prevents a user from selecting a position other than the one they are supposed to be using and helps to prevent accidental switch operations.

The 435123-1 is commonly used in lighting, motor control and automation applications where a reliable and relatively inexpensive switch is required. Additionally, the switch can be used in applications where the switch must remain in one position for multiple operations.

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