21EN75-R1

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Snap Action, Limit Switches are types of electro-mechanical switches used in numerous applications and are designed to break and make electrical connections at pre-determined
positions. The 21EN75-R1 is a single-pole, single-throw (SPST) type of snap-action elecctro-mechanical switch, which has the ability to close or open a circuit in a very short amount of time.The 21EN75-R1 has a durable design that is suitable for industrial, outdoor and commercial applications. This switch is also RoHS compliant, meaning that it does not contain hazardous materials such as lead.

21EN75-R1 Application Field and Working Principle

The 21EN75-R1 is a single-pole, single-throw (SPST) type of snap-action electro-mechanical switch, which has the ability to close or open a circuit in a very short amount of time. This switch is suitable for use in a wide variety of applications, from industrial automation and process control to lighting, pumps, ventilation and security systems as well as other applications where precise and precise positioning is required.

The 21EN75-R1 is designed with a range of standard features such as an adjustable actuating force and an adjustable hysteresis. It is comprised of a contact biasing mechanism to ensure a constant contact alignment, preventing the switch from sticking or false closing. The 21EN75-R1 also features a hermetically sealed, IP67 rated housing that is designed to withstand harsh industrial and environmental conditions. The switch is also RoHS compliant, meaning that it does not contain hazardous materials such as lead.

The working principle of the 21EN75-R1 switch is simple yet sophisticated. When the contact actuator is manually operated, the biasing mechanism pushes the contact tip against the actuator arm and the circuit closes. When the actuator is released, the biasing mechanism pulls the contact tip away from the actuator arm and the circuit opens. The hysteresis value ensures that the contact remains engaged until the actuator is fully released.

The 21EN75-R1 switch has a wide range of applications and is suitable for use in industrial automation and process control, lighting, pumps, ventilation and security systems as well as other applications where precise and precise positioning is required. Its hermetically sealed, IP67 rated housing is designed to withstand harsh industrial and environmental conditions and its adjustable actuating force and hysteresis ensure reliable performance and long life.

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