3MN11

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Snap action, limit switches provide a means of electrical circuit control, and the 3MN11 series exemplifies this capability. With numerous applications and flexible design options, the 3MN11 family is well-suited for a variety of industrial processes and specialized tasks. This article will provide an overview of the 3MN11 series, its application field and working principle.
Introduction to 3MN11 Series
The 3MN11 snap action, limit switch is a versatile and cost-effective device used in a wide range of applications. Manufactured by leading industry supplier CHINFA, the 3MN11 series is designed for emergency stop, limit and safety switch applications. This switch is capable of withstanding high impact and vibration, making it highly suitable for industrial environments. It meets the standards of IEC 60947-5-1, UL 508 and other global certifications, making it well-suited for international installation. Furthermore, the 3MN11 features a plastic head and is available in two universal case variations to provide excellent compatibility with the widest range of environmental conditions.
3MN11 Application Field & Working Principle
The 3MN11 is an ideal candidate for emergency stop switch applications, as it is able to prevent dangerous operation and limit chances of accidents or malfunctions. With rapid response time and high precision, the 3MN11 is also suitable for limit switch applications, as it can detect direction, speed and position of machines and equipment, as well as malfunctioning or misalignment. In addition to emergency stop and limit switch capabilities, the 3MN11 series is also suitable for other high-strength and high-precision applications such as momentary switches, security switches and temperature control. It is capable of sustaining high impact and vibration, making it suitable for industrial environments.
The 3MN11 operates via a snap action mechanism, featuring a switch arm and plunger that are actuated by a positive "click." These parts work together with a bimetallic compression spring to produce the desired electrical action. As the switch arm is moved, the plunger rotates and moves up and down depending upon the set limit. When the limit is reached, the switch arm produces a "click," which actuates the snap switch and the switch closes, allowing for the desired electrical action. Alternatively, the switch arm can remain in place and the bimetallic compression spring actuates the "click" mechanism. In either case, the 3MN11 switch is assembled and tested to ensure ruggedness and long service life.
Conclusion
The 3MN11 snap action, limit switch is a versatile device highly suitable for emergency stop, limit and safety switch applications. Its high precision and rapid response time, along with its ability to withstand high impact and vibration, make it ideal for industrial installation. Furthermore, its easy-to-operate snap action mechanism, featuring a switch arm, plunger and bimetallic compression spring, makes it uniquely suitable for a variety of specialized applications. By providing a reliable and cost-effective means of controlling electrical circuits with precision, the 3MN11 series is perfectly suited for a variety of industrial needs.

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