MRB22B

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Rotary switches are some of the oldest switching devices still in common use. While their appearance has changed over the years, the function behind them has remained the same. The MRB22B is a multipole rotary switch designed to allow the user to quickly switch between different electrical or mechanical configurations.

A rotary switch is composed of a pivot point and one or more sets of contacts attached at the circumference. Instead of a physical connection between the contacts, rotary switches use an insulated barrel that rotates around the pivot. As the barrel moves, different portions of the contacts are connected, allowing the user to change the current flow or mechanical configuration.

The MRB22B is a two-pole, double-throw rotary switch. It has two switch positions, one for each pole, and can switch between a number of circuits or configurations. The device can be used in a variety of applications, such as audio systems, home security systems, and fans. It is also widely used in industrial control systems and robotic systems where it can be used to quickly switch from one input to another.

The MRB22B has a max current rating of 10 amps, making it well-suited for low electrical loads. It is designed for indoor use only, as it is not rated for outdoor or wet locations. The device is housed in a plastic enclosure and is available in a variety of sizes. It also has a UL listing for safety.

In terms of its working principle, the MRB22B uses its insulated barrel to move between the two switch positions. When the barrel is in a given position, the contacts are connected to that position, allowing current to flow. For example, if the switch is in the “on” position, the contacts are connected to the “on” terminals, completing the circuit. When the user rotates the switch to the “off” position, the contacts are connected to the “off” terminals, breaking the circuit.

The MRB22B can also be used to switch between multiple circuits. It can be wired so that moving the switch to a different position will connect different circuits. This is useful for applications such as home security systems, where the user may need to quickly switch between multiple circuits or inputs. For example, if the user needs to connect a motion sensor to an alarm system, they can use the MRB22B switch to quickly switch between the sensor and a light source.

Overall, the MRB22B is a multipole rotary switch that can be used in a variety of applications. It has two switch positions and can be used to switch between multiple circuits. It is a reliable, robust device that is rated for up to 10 amps and is UL-listed for safety.

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