WLH2-55LD

Snap Action, Limit Switches

The WLH2-55LD is a type of mini snap action limit switch that utilizes a small and lightweight design. It is suitable for both indoor and outdoor applications, making it a versatile solution. It is primarily used in industrial, automotive, and medical applications.

Overview

The WLH2-55LD is a non-metallic, snap-action limit switch with a 0.25 mm gap. It has an operating temperature range of -20 to +80° C, with an operating pressure range up to 10 bar (1 bar = 1.02 kg/cm2). It has a total travel of 2 mm and can withstand vibrations up to 50 Hz. It has a maximum contact current of 500 mA and a maximum contact voltage of 250 V (AC/DC). The WLH2-55LD is available in a variety of mounting configurations and is a commonly used type of limit switch.

Working Principle

The WLH2-55LD works on the principle of a snap-action switch. This type of switch operates by moving a lever back and forth between two contact points. When the lever is moved to the left, the contacts are in the open position and no current is allowed to flow. When the lever is moved to the right, the contacts close and current is allowed to flow. The WLH2-55LD has a short travel of 2 mm and a 0.25 mm gap between the contacts, which ensures a reliable, quick switch operation. When the limit switch is in the open position, the contacts are not in contact and thus no current is allowed to flow, providing a safety measure against electrical shocks.

Application Field

The WLH2-55LD is suitable for a wide range of applications, including industrial, automotive, medical and HVAC control. Its small size and non-metallic housing make it a good choice for applications where it is important to protect the switch from dust, water and other elements. Its short travel and high accuracy makes it well suited for high-precision control applications, such as in medical equipment or laboratory instruments. It is also suitable for automotive applications, where it can be used to detect the position of a moving component or as a safety switch. The WLH2-55LD is also used in industrial sensing applications, such as when it is used to detect the presence of an object or measure its size. In HVAC control applications, the WLH2-55LD can be used for zone or temperature control.

Conclusion

The WLH2-55LD is a versatile, reliable, and cost-effective snap-action limit switch. Its small size and high accuracy make it suitable for a wide range of applications, such as in industrial, automotive, medical and HVAC control. Its 0.25 mm gap and 2 mm travel range allow for a quick, reliable switching operation. With its low profile, non-metallic housing, the WLH2-55LD is also capable of protecting against dust, water and other elements.