WLGCA12-N

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Snap action limit switches, like the WLGCA12-N, are incredibly versatile and can be found in a variety of different industries and applications. Using a variety of actuators, such as a plunger, roller or lever and selectable electrical ratings, this type of switch is ideal for detecting the presence or the absence of an object and triggering an electrical circuit.

At the heart of this snap action limit switch is a snap-acting mechanism with a plunger produced from solid metal. As the plunger enters a socket within the switch, it compresses a coiled spring that is preloaded to a predetermined tension. Meanings that when a certain force is exceeded the switch will snap from one state to another. Each time the force on the plunger is removed, the preloaded spring in the switch will return it to its original position.

The plunger of the WLGCA12-N, which is a straight entry type, contains a shape that fits the shape of the socket enabling it to detect the presence and absence of objects to a high degree of accuracy. And depending on the actuated device selected, the plunger can also detect vibration, rotation, position and angle.

This snap action switch also contains a set of electrical contacts. These contacts are responsible for triggering an electrical circuit when the switch snaps to its actuated state. Depending on the switch, a single pole or multiple pole electrical contact configuration can be used, with each electrical contact point encapsulated into an epoxy filled housing.

In addition, the WLGCA12-N possesses an exceptionally long life expectancy with a minimum mechanical life of 15 million cycles. Unfortunately, due to its‌ overly sensitiveness, its electrical life tends to be much shorter, amounting to an average expectancy of 1 million cycles. That said, contact materials and arrangements can be adapted to increase the life-span of the electrical contacts.

This type of switch can be found on automobile production lines, used to test the electrical components attached to the engine bay, or within security systems to detect the presence of an intruder. They also find their way into industrial machines, such as CNC routers and grinders, used to detect the various positions of the cutting tool as it moves through its work cycle. And they can even be found within gaming consoles.

The WLGCA12-N snap action limit switch may be small, but it is quite powerful in its ability to detect and trigger an electrical circuit. Its versatility makes it one of the most cost-effective and reliable switches available in the market.

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