WLCA12-2NTH-N

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Snap action, limit switches are essential components in industrial control systems as well as in private households. They are used to detect the position of moving objects, or to detect the opening or closing of an electrical circuit. One of the most commonly used switches of this type is the WLCA12-2NTH-N limit switch. This article will discuss the applications, the working principle and the operational characteristics of this versatile switch.

The WLCA12-2NTH-N operates on the snap-action principle, whereby a lever or disk with an attached contact is moved by a mechanical actuation, such as a pushrod or cam. The contact is opened or closed by the snap-action of the lever or disk, depending on the direction of actuation. This type of switch is designed for AC or DC switch control, with the voltage of operation up to 230 VAC in both conditions. The contact material is silver or gold-plated silver and the contact rating is 10 A at 120–240 VAC. It has a contact separation of 5 mm and an ON/OFF ratio of 3:1.

The applications of WLCA12-2NTH-N are numerous, but they are mainly suited for industrial equipment, such as conveyors, fans and motors, as well as for domestic appliances such as washing machines, dishwashers and ovens. It can also be applied in any system that requires a reliable switch control. In fact, this switch is even suitable for hazardous areas since it complies with the ATEX regulations. Furthermore, it has a dielectric strength of 2500 V, which makes it particularly suited for high-voltage applications.

The basic principle of action in the WLCA12-2NTH-N switch is the motion of its contact arms. It is a simple yet efficient device that can be used to detect or trigger the opening or closing of an electrical circuit. The contact arms are connected to an inverted lever that is actuated by the pressure from a cam or a pushrod. Depending on the direction of actuation, the motion of the lever will cause one of the arms to touch the stationary contact, thus completing or interrupting the circuit. This is known as \'snap action\', as the movement is sudden and instantaneous.

The advantages of WLCA12-2NTH-N switches include their reliable operation and long service life. The contact arms are capable of withstanding up to 5 million cycles, which ensures that they will last for many years of operation. The switch is also protected against dust and moisture, which further increases its durability. In addition, the switch is available in a wide variety of different sizes and configurations, so it is easy to find one that is suitable for any application.

The operational characteristics of the WLCA12-2NTH-N switch include a fast and reliable response time, making it ideal for applications that require a quick reaction and accurate detection of movement or changes in the system. The switch\'s contact material is highly conductive, allowing it to carry heavy loads without any problems. Furthermore, the switch offers excellent protection against electromagnetic interference, as it is shielded by a metal enclosure. This ensures that it will operate reliably in contaminated and noisy environments.

In conclusion, the WLCA12-2NTH-N switch is an ideal choice for a wide range of applications. Its snap-action principle provides reliable and precise action, while its contact material and shielding ensure that it will function properly even in harsh conditions. Its simple design offers long life and reliable operation, making it a dependable and durable choice for controlling electrical circuits.

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