AM51621D53N-A

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Snap action, limit switches like the AM51621D53N-A use a mechanical lever system and electrical contacts to perform their functions. They are essentially switches with a lever arm feature which causes them to rapidly snap back and forth in response to an external force. This allows them to act as both an actuator and a sensor, and open or close a circuit in response to a variety of external conditions, from simple mechanical force and pressure to temperature changes, magnetic fields, and other variations.

The AM51621D53N-A is a heavy-duty snap action, limit switch with rugged construction, a corrosion resistant zinc alloy body, and SPST normally open/momentary type contacts. It has a choice of three actuator styles, plunger, roller and lever, with several actuator lengths, so it can be tailored to fit many specific application requirements. When used with a suitable electrical contact system, the AM51621D53N-A is suitable for a variety of industrial and commercial applications such as operating machinery, controlling appliances, controlling access doors and switches.

Snap action, limit switches like the AM51621D53N-A use a metal lever system to produce an electrical contact in response to an externally applied force. When the force is removed, the lever snaps back quickly to its original position. This action is commonly used to control the on/off state of electrical devices, ranging from simple contactors to complex automation systems. The AM51621D53N-A features a contact gap of 0.25" (6.4mm) for reliable switch operation without false triggering.

The working principle behind the AM51621D53N-A is relatively simple. When the external force or pressure is applied to the switch lever, a cam mechanism located inside the switch body is triggered which causes the contacts to close. The contacts remain closed until the external force is removed, at which point the switch lever snaps back to its original position, opening the electrical contacts. This method of actuation is referred to as "snap action” due to its rapid opening and closing of the contacts.

The AM51621D53N-A is a reliable, heavy-duty snap action limit switch with rugged construction and a rating of 10A, 250VAC. It is suitable for use in a variety of applications where a reliable, switchable circuit is needed, including operating machinery, operating appliances, access control and other such systems. Snap action, limit switches like the AM51621D53N-A are an indispensable part of any modern-day industrial or commercial application.

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