WLGCA12-2LE

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Snap Action, Limit Switches

Snap Action, Limit Switches are switches which contain a mechanism that moves apart from its home position upon the actuation of an external force. The WLGCA12-2LE is one such switch. It is suitable for use in applications involving limited space, such as in the control panels of computers, HVAC and other devices.

Working Principle

The WLGCA12-2LE snap action, limit switch work based on the lever principle and is actuated by an externally applied force, such as a finger press, hand lever, or cam action. The switch can be configured with either normally open (NO) or normally closed (NC) contacts.

When the switch is in the off position, an external force will hold the actuator against the body of the switch and actuate the lever. This will cause the lever to move away from the body, thus allowing the contacts within the switch to move away from each other. When the external force is removed, the actuator will return to its original position, allowing the contacts of the switch to move back together and break the circuit.

Technical Parameters

The WLGCA12-2LE snap action, limit switch has a contact rating of 5A, 125V AC or 2A, 250V AC, a contact resistance of 100mOhms max, and an insulation resistance of 100MOhms min. The actuator is adjustable, with an adjustable range of 0.1-0.75”. The switch has a travel of 0.08” and an operating force up to 8-16 oz. The switch is UL listed, CSA certified, and RoHS compliant.

Applications

The WLGCA12-2LE snap action, limit switch is suitable for use in a variety of applications due to its small size, adjustable actuator and low operating force. These applications include controlling motor speed, position sensing and safety monitoring in a range of industries, from printing and packaging to food processing and medical equipment. It is also suitable for use as a general purpose limit switch for controlling the on/off cycles of equipment in industrial, commercial and residential environments.

This switch is also used in control panels in computer peripherals, HVAC and other devices, due to its small size and adjustable actuator. It can also be used to detect the opening and closing of doors and windows, which could then be used to control lighting and security systems, or to detect the presence of a person engaging in a security system.

Conclusion

The WLGCA12-2LE Snap Action, Limit Switch is an ideal solution for a variety of applications. Its small size, adjustable actuator and low operating force make it suitable for a range of applications, from controlling motor speed and position sensing to monitoring safety in industrial and commercial settings. This switch is also suitable for general purpose control in residential environments, as well as in the control panels in computer peripherals, HVAC and other devices.

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