09P30-01-1-11N

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Rotary Switches

Rotary switches are electrical switches where its control is done by a rotating knob by selecting a position. Generally it is used in electro-mechanical control applications. The most common rotary switch consists of a spindle or shaft at whose extremity is the knob or handle. 09P30-01-1-11N is one such kind of rotary switches with a wide range of application fields.

Application Field

The common application fields of 09P30-01-1-11N rotary switch are appliances, telecommunication, Networking, air conditioning, computers, musical instruments, office machines, domestic equipment, automobiles, street lighting and signal circuits. As the applications are varied, the rotating knob of the rotary switch may have to be customized with different colors and textures for specific applications. It can also be used for controlling dimming of EM lights or LEDs.

Working Principle

The working principle of rotary switches is very simple. The rotary switch consists of a switching mechanism, a rotating knob or contact arm and a set of contacts. As the knob is rotated, an indicator shows the selected switch position. The main component of a rotary switch is a spring which provides the rotary motion to the contact arm. When the switch is activated by rotating the knob, the spring oscillates, which operates the contact arm in a circular motion. The contact arm of the switch is connected to a series of breakable and make contact points. When the contact arm touches the contact points, a connection is made, which triggers or triggers off the circuit.

The working of a rotary switch can be understood by the following example. Consider a street light rotary switch with two positions, one OFF and one ON. When the rotary switch is in the OFF position, the contact arm of the switch will be in a position where it will break the connection of the Streetlight circuit. When the rotary switch is in the ON position, the contact arm of the switch will be in a position where it will make a connection of the Streetlight circuit and cause the Streetlight to turn On. In the case of a dimming rotary switch, the circuit connection is intermittent to provide different light intensities.

In addition, rotary switches also have various special features. The features of some rotary switches include stainless steel shafts for high precision and durability, life ratings up to 4 million operations, quick connecting terminals for ease of soldering and low contact resistance. Some rotary switches also have tamper-proof construction, which prevents unauthorized access to the switch.

In summary, 09P30-01-1-11N rotary switch is a versatile switch which is available in various shapes, sizes and materials as per the application requirement. The low contact resistance, quick connecting terminals, a wide range of application fields and long life make it a preferred choice of rotary switch for many industries.

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