PS221905LNS

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Pushbutton Switches are commonly used to control circuit operation and provide a visual indication when the device is activated. One such popular switch is the PS221905LNS. This type of switch is available in both SPDT and DPDT configurations, and is suitable for a wide range of applications. In this article, we will discuss the application fields and working principle of the PS221905LNS switch.

Applications

The PS221905LNS pushbutton switch is a general-purpose panel switch, suitable for both industrial and consumer applications. It is designed for applications where panel space is limited, and can also be easily mounted in a panel box. Common applications for this type of switch include HVAC controls, laboratory equipment, remote switching applications, and security systems.

The PS221905LNS has four internal metal contacts, providing a wide range of circuit connections and control options. The switch is rated for currents up to 2A and up to 30V AC or DC, making it suitable for a range of low voltage applications. The switch is also available with a wide variety of accessories, such as lighted actuators, keylocking actuators, and various mounting options.

Working Principle

The PS221905LNS pushbutton switch works on the principle of contact interruption. When the button is pressed, the internal contact is opened, and the circuit is opened. Once the button is released, the contact is closed, and the circuit is completed. This simple operation makes the PS221905LNS switch suitable for a wide range of control applications.

The switch is designed for durability, with an operating life of up to 200,000 cycles. The operating temperature range is -40°C to +85°C and the contact resistance is ≤ 50mΩ. The switch is also UL/C-UL approved.

In summary, the PS221905LNS is a versatile and reliable switch, suitable for a wide range of control applications. It is available in a variety of configurations, and with a range of accessories, making it a popular choice for both industrial and consumer applications.

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