71B30-02-1-12S-C

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Rotary switches, such as the 71B30-02-1-12S-C, are switching components used in a variety of applications. In general, they are used to select one of multiple, discrete states. Their uses range from the automation of industrial machines, controlling the mains voltage, to controlling the supply of water and gas to a building.

The 71B30-02-1-12S-C is a rotary switch designed for industrial applications where reliable switching performance is required; these switches are suitable for operation in harsh conditions such as vibration and extreme temperature exposure. They are designed to provide reliable switching operations and can be used in a variety of applications, including lighting and audio systems, control and communication systems, automation control systems, and instrumentation. This type of switch is also commonly used in medical equipment, telecommunications and security systems.

The 71B30-02-1-12S-C features a silver-plated contact and a die-cast case. It is a 12-position switch with 4 poles, shaft, and adjustable rosette. The contact configuration is normally open, meaning the switch is typically off (open) unless it is engaged to turn on (closed). The maximum current rating of the 71B30 is 3A/125VAC or 1A/250VAC. The mechanical life is rated at 30,000 cycles, with an electrical life of 1,000 cycles.

At the core of its operation is a set of spring contacts located inside the switch body. When the shaft is rotated, the spring contacts are opened and closed. When the contacts are closed, the current will flow from the poles to turn it on. This is achieved by the use of a cam mechanism which is connected to the switch\'s shaft. Depending on its design, a rotary switch can also offer other switch configurations such as normally closed and alternating contacts.

The 71B30-02-1-12S-C features a standard operating temperature range of -40°C to +85°C. It is UL approved, CUL listed, and RoHS compliant. It is rated at IP30 protection and complies with NEMA Standards 1, 3, 3R, 4, 4X, and 6. It can be easily installed via the mounting holes that are provided, and it has a life expectancy of one million cycles.

In conclusion, it is clear that the 71B30-02-1-12S-C is a highly reliable and versatile rotary switch. It features a rugged die-cast construction and precise cam action, allowing it to provide reliable switching operations in a wide range of applications. Its distinctive features such as adjustable shaft and rosette, and its IP30 rating, make it a perfect choice for industrial installations in harsh environments.

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