71EDF30-02-2-AJN

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Rotary Switches

A rotary switch is an electrical switch with multiple positions that are easily activated by a simple rotating motion. Rotary switches are commonly used in applications that involve assigning multiple functions to a single device or multiplexing multiple signals. In addition to the control of circuits, they are used to control the operation of motors, pumps, analog measuring instruments, and to make other types of electrical connections.

71EDF30-02-2-AJN Application Field and Working Principal

The 71EDF30-02-2-AJN is a 16-position, 3-pole rotary switch designed primarily for switching a single circuit. It offers 16 discrete switching positions from common (position 1) to position 16 and is commonly used in applications such as voltage selection and feature selection in consumer electronics, industrial controls, point-of-sale, medical equipment and instrumentation.

The operation of the 71EDF30-02-2-AJN is simple: rotation of the knob causes the contacts to move along the contact array, making electrical connections and disconnections as necessary. The contacts are designed to reduce the risk of arcing and cross-contact. An external cam is used to ensure that the desired number of positions is reached and that the contact defining the connection path is engaged securely at each position.

The body of the switch is made from UL-approved plastic and is designed to be dust- and moisture-resistant. The contacts are made from brass and contact-coated with silver to prevent arcing and corrosion. It is rated for 5A at 125VAC, 0.5A at 24VDC, and 0.2A at 250VAC, and the operating temperature range is from –10° to +85°C.

The 71EDF30-02-2-AJN rotary switch is a reliable, durable electrical device that is suitable for a variety of applications. Its strong construction and ever-dependable operation make it a good choice for switching a single circuit.

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