D4F-120-1D

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Snap Action, Limit Switches - D4F-120-1D

A snap action, limit switch is an electric switch that has a mechanical switching element in which a spring-loaded contact snaps into a fixed position when a given threshold pressure is reached. They’re often used in industrial settings and control panels to activate or deactivate machinery. The Omron D4F-120-1D is a type of snap-action, limit switch that is often used in electrical/electronic applications due to its reliable and durable construction.

Application Field

The Omron D4F-120-1D switch is primarily used in applications that require on/off power or control signals. These applications may include motor and pump controls, machine controls, safety interlocks, communication equipment and temperature controls. This switch is also ideal for use in potentially hazardous environmental conditions due to its IP67-rated protection from dust, water and oil.

Working Principle

The D4F-120-1D works on the principle of actuating a physical contact via a plunger-operated electric switch. When the plunger is depressed, usually by a small button located on the top of the switch, it completes an electrical circuit, allowing power to flow through the switch. Upon releasing the plunger, the circuit is broken, causing the switch to turn off.

The switch also has an adjustable actuation force setting, allowing users to customize the amount of pressure needed to activate the switch. This adjustable feature can be useful in sensitive applications where bounceless activation is desired.

Durability and Safety

The Omron D4F-120-1D switch is resistant to shock and vibration as well as dust and water. This allows it to be used in harsh industrial environments without worry of failure or system disruption. The switch is also certified to UL 1054 standard, proving its high-quality and reliable construction.

The D4F-120-1D switch also adds an additional layer of safety for those working in potentially hazardous environments. The switch has an integrated blocking mechanism to help it prevent accidental opening. This helps to reduce the risk of electric shock or other accidents.

Conclusion

The Omron D4F-120-1D snap-action, limit switch is a dependable and durable electrical switch that is suitable for a wide range of applications. It is resistant to shock and vibration as well as dust and water, making it well-suited for industrial use. Additionally, the adjustable actuation force and integrated blocking mechanism enhance its safety and reliability.

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