212-9E

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A rotary switch is a switch that can be rotated to different positions in order to activate different circuits. The 212-9E rotary switch is a type of switch that is typically used in applications requiring high reliability and ruggedness. This switch is typically used in outside plant and customer premise applications such as communications systems, industrial machinery, security systems, and other special purpose applications such as avionics and space applications.

The 212-9E rotary switch is designed to meet the most stringent requirements for both performance and reliability. This switch is capable of being configured with up to 9-position combinations (8-position – 9 terminal or 9-position – 10 terminal) and uses a combination of both mechanical and electrical operations to achieve its design objectives. The 212-9E rotary switch is designed to operate at temperatures ranging from -40°C to +70°C, and can withstand vibration loads up to 4.0G.

The 212-9E rotary switch has many features that make it a great choice for outside plant and customer premise applications. Its housing is made from a corrosion-resistant stainless steel, and it is designed to provide high reliability and long life in harsh environments. It also includes a self-locking mechanism, which prevents accidental switching and eliminates the need for external locks. This switch also includes internal guides that ensure proper alignment of the contacts, providing for optimum performance and reliability.

The 212-9E rotary switch works by connecting electrical energy from one position to another, depending on the desired configurations. This switch can be powered either mechanically or electrically, depending on the application. In mechanical power applications, the 212-9E rotary switch is usually operated by a motor; in electronic power applications, the switch is usually powered by a voltage or current source. In either case, when the switch is rotated, it closes contact that was previously opened, or opens contact that has been previously closed.

The 212-9E rotary switch is usually used in outside plant and customer premise applications due to its ruggedness and high reliability. This switch offers a simple and easy to use design that provides excellent performance in a variety of applications. It is also resistant to harsh environments and can withstand vibration and shock loads, making it an ideal choice for a wide range of applications.

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