VB-5121

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Snap action switches are electromechanical devices that are used to detect the position of a moving object. They are also referred to as limit switches because they are designed to switch between two states – on and off – when the object reaches a predetermined position. Snap action switches are very versatile and can be used in a variety of applications, such as industrial automation, robotics, manufacturing and process control.

The VB-5121 snap action switch is a rugged, reliable, and robust limit switch designed specifically to meet commercial, industrial, and heavy-duty applications. This switch has a rugged die-cast zinc aluminum alloy construction and is ideal for applications such as conveyor systems, machine tools, printing presses, and automated material handling. Its reliable snap action switch features a switch point held to tolerance of 0.5 mm with stainless steel contacts for long life.

VB-5121 snap action switch features an LOWER-contact configuration suitable for applications operating up to 500V AC. The switch\'s adjustable operating and return settings can be set as low as 0.2 mm and feature a maximum travel of 5mm (0.2"). It has an over-pressure spring design and adjustable actuator, allowing the user to tailor the action force and release characteristics to their specific application.

The VB-5121 snap action switch works by detecting a sudden change in the contact status of its actuator. When the switch is in its “on” state, its actuator contacts two electrical contacts, called the common and normally-open contacts. When an external force is applied to the switch, it will actuate its mechanism which opens the contact gap between the two contacts. This is the “snap action” that causes a sudden change in the contact status of the switch.

In addition to the VB-5121 snap action switch, the VB-5121 has the unique feature of a built-in surge protection. The switch is designed to handle a short-term maximum leakage current of up to 150mA and a maximum surge current of up to 120A. This feature is beneficial in applications where surges or short circuits may occur, such as motors, lights, or other heavy-duty equipment.

The VB-5121 snap action switch is a great solution for any application requiring a reliable and durable switch for industrial, commercial, and heavy-duty applications. Its advanced design and built-in surge protection make it a valuable and reliable choice for operators in those industries. The VB-5121 snap action switch is available in a variety of sizes, contact configurations, and materials to meet the demand of a wide range of applications.

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