44505-1240

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Snap action, limit switches are devices used to detect physical change in a system, such as when a door is opened, when a button is pressed, or when an object is moved. The 44505-1240 is a single pole, single throw (SPST) switch rated for 125/250 VAC, 15A/10A respectively.

Application Field

The 44505-1240 can be used in a variety of applications and locations, such as appliance control, heating, ventilation, and air conditioning (HVAC) systems, lighting, electromechanical assemblies, and many more. It is designed for use in normally closed (NC) applications and is certified according to UL/CUL ratings.

Working Principle

The working principle of the 44505-1240 switch is as follows. When an external force is applied to the switch, the snap action mechanism causes the contact arm to snap open or closed with a positive and durable action. The contact arm contains a gold plated contact surface which provides a qualified electrical contact over the entire life of the switch. The contact arm is spring-loaded to ensure a good connection and reliable operation.

The switch operates at a nominal force of 10 gm (0.35 oz) and a maximum operating temperature of 125 °C (257 °F). The contact force of the switch is adjustable using two plastic screws which press against a moveable contact arm. When the contact arm moves, the contact force is adjusted accordingly. The switch is designed to operate up to one million electrical operations.

The 44505-1240 switch is designed for easy mounting and installation. It can be mounted flush or recessed in any material. It also features a built-in mounting base for ease of assembly. The base can be secured to the application using two M3 screws.

Conclusion

The 44505-1240 limit switch is a versatile, high quality device suitable for a variety of applications. It is easy to install and can be used in a variety of locations. The switch is robust and reliable, and has been designed for a long operating life. It is UL/CUL rated for safety, and is designed for NC applications.

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