12SM4

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Snap action limit switches are widely used in numerous applications, such as controlling and regulating electrical devices, in industrial, commercial and residential settings. The 12 SM4 limit switch, manufactured by Panasonic, is a reliable and cost-efficient solution for a number of uses, offering a wide range of features and advantages.

What is a 12 SM4 Limit Switch?

A 12 SM4 limit switch is a type of snap action switch – a mechanical device that snaps from one configuration to another when an external force is applied. A limit switch uses contacts, which are pressure-activated, to control an electrical circuit. The pressure-activated contacts work by moving the arm of the switch when pressure is applied, which then closes or opens an electrical connection. The 12 SM4 limit switch is small and compact, making it easy to install and use.

Applications of the 12 SM4 Limit Switch

The 12 SM4 limit switch is designed for a variety of applications, including controlling and regulating electrical devices such as power window lifts, window blinds, air handling units, HVAC systems, pumps, fans, and compressors. The switching function of the 12 SM4 can also be used for controlling automatic door openers and magazine switches, as well as for controlling emergency door switch assemblies.

The 12 SM4 is also used in machinery that requires heavy duty switching, such as packaging, printing and automotive machinery. This reliable switch can be used for a variety of applications including the prevention of overvoltage, undervoltage, overspeed, and other safety control requirements. The 12 SM4 is a robust and reliable solution for safety control and high-demand applications.

Features of the 12 SM4 Limit Switch

The 12 SM4 limit switch is designed with a number of features that make it a suitable solution for a variety of applications. These features include:

• Robust and reliable design
• Compact and small design, making it easy to install
• Wide range of current capacities
• Water-proof design to IP67 standards
• Excellent vibration and shock resistant capabilities
• Highly durable contacts with low power consumption
• Fully adjustable operating temperature range
• Multiple contact points for increased versatility

Working Principle of the 12 SM4 Limit Switch

The 12 SM4 limit switch utilizes a work principle that is based on a pressure-activated contact. The spring-loaded arm of the switch is activated when pressure is applied to it, and the contact then closes or opens the circuit. The contact can then be either opened or closed based on the type of pressure applied, as well as the amount of pressure applied.

The 12 SM4 limit switch is designed with an adjustable pressure range, meaning that its operating temperature can be easily changed to suit the requirements of the application. This enables the switch to be used in a variety of environments, including those that have high or low temperatures, or extreme temperature variations.

Conclusion

The 12 SM4 limit switch is a reliable and cost-efficient solution for control and safety applications. This robust switch design offers a wide range of features and functions, making it suitable for a range of applications, including the control of electrical devices, machinery and equipment, and emergency door switch assemblies. The pressure-activated contact mechanism and adjustable temperature range enable the 12 SM4 to be used in a variety of environments, and its compact size makes it easy to install.

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