1PB555-T2

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A Snap Action, Limit Switch is an electrical switch used for automation and control of a variety of processes in industrial and other applications. The 1PB555-T2 is a type of Snap Action, Limit Switch that offers precision and durability for applications where it is needed. It is a single-pole, double-throw (SPDT) switch that provides a rated current of 5 A, a rated voltage of 250 Vac, and a contact travel of 1 mm. The 1PB555-T2 is suitable for switching electrical and mechanical loads and offers high reliability, durability, and accuracy. Here we will explore the application field and working principle of the 1PB555-T2 Snap Action, Limit Switch.

The 1PB555-T2 Snap Action, Limit Switch can be used in a variety of applications. In reliable automation and control systems, the 1PB555-T2 can be used for protection against overloading, as well as for precise control of motors and other mechanical devices. It can also be used in industrial applications to monitor and control the position of machines, detecting the presence or absence of parts or objects. Additionally, the 1PB555-T2 can be used for energy-efficient solutions in lighting and illumination systems.

The 1PB555-T2 Snap Action, Limit Switch is designed with a single-pole, double-throw (SPDT) contact arrangement. SPDT switches are more commonly referred to as three-way switches, as they offer three positions: open (off), unipolar (on-off) and bipolar (on-on). The 1PB555-T2 has an internal contact block which moves between two positions when the actuator arm is operated. When the arm is in the open position, it actuates the internal contact block to make contact with the normally open position, thus closing the circuit and completing the electrical connection. Conversely, when the arm is actuated to the closed position, the internal contact block makes contact with the normally closed position, thus breaking the electrical connection and opening the circuit.

A typical 1PB555-T2 Snap Action, Limit Switch also includes a built-in mechanism that provides tactile feedback, known as a snap action mechanism. The snap action mechanism is used to ensure that the switch contacts stay open or closed as desired, regardless of external forces or vibration. The mechanism is composed of a spring-loaded armature that is pushed by the actuator arm until it reaches the end of its travel. At the end of the travel, the armature snaps back to its original position, thus providing an audible click that assures the operator that the switch has operated properly.

1PB555-T2 Snap Action, Limit Switch also offers a wide range of features, such as environmental and vibration protection, that make it suitable for a variety of applications. It is designed to operate in temperatures ranging from -30 to +85 °C, and is also certified for full protection from dust and moisture, thanks to its IP 66 protection rating. Additionally, the 1PB555-T2 is designed to withstand up to 10 g of acceleration from vibration, which makes it suitable for applications where vibration is a concern.

The 1PB555-T2 Snap Action, Limit Switch is a reliable, durable and accurate switch for a variety of automation and control applications. Its SPDT contact arrangement, snap action mechanism, and robust construction make it suitable for a wide range of industrial and other applications. It is also available in a variety of models, with a wide range of operating current and voltage ratings, offering more flexibility and customization options.

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