71BF30-03-1-09N

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Rotary Switches

Rotary switches are switches used for switching application fields and for conveniently controlling the flow of current from multiple sources. They have been around for over 100 years and have been used in a variety of industries, from residential applications to commercial and industrial applications. They are typically designed for manual operation, with levers or other mechanical controls for actuating the switch.

71BF30-03-1-09N Application Field and Working Principle

The 71BF30-03-1-09N series rotary switches are specially designed for use in fire resistant applications, providing increased safety and robustness. These switches are widely used in hazardous locations in various industries, such as mining, oil & gas and chemical industry.

The working principle of the 71BF30-03-1-09N rotary switches is based on a cam-driven, laser-engraved rotary shaft. The shaft is connected to a machine-cut cam, which is designed to open and close the contacts as it rotates. The cam also acts as a seal to prevent contaminants from entering the switch. The cam is connected to a motor, which rotates it at a predetermined rate in order to open and close the contacts, thus switching the circuit on and off.

The 71BF30-03-1-09N rotary switch is designed for use in hazardous locations, such as mining, oil & gas and chemical industry. Its robust design ensures high reliability in applications with hazardous environments, such as dust and moisture. The switch is also designed to withstand extreme temperatures, such as those encountered in these industries. The cam is made of laser-engraved stainless steel, providing long-term resistance to wear, rust and corrosion.

The 71BF30-03-1-09N rotary switch is suitable for a variety of applications. It is commonly used in fire alarm systems, industrial machinery, and medical equipment. The switch is also suitable for use in security and surveillance systems, as it is able to detect mechanical tampering or incorrect usage. The switch is also able to detect electrical interference, making it suitable for use in electrical control panels, elevators, and other sensitive equipment.

In summary, the 71BF30-03-1-09N series rotary switches are designed for use in hazardous locations, providing increased safety and robustness. The switches are designed for manual operation, with levers or other mechanical controls for actuating the switch. The cam is made of laser-engraved stainless steel, providing long-term resistance to wear, rust and corrosion. The switch is suitable for a variety of applications, and is commonly used in fire alarm systems, industrial machinery, medical equipment, security and surveillance systems, and electrical control panels.

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