3MN19

Ingress Protection:	--
Mechanical Life:	10,000,000 Cycles
Electrical Life:	--
Operating Position:	0.122" (3.1mm)
Operating Temperature:	-55°C ~ 85°C
Overtravel:	0.080" (2.03mm)
Differential Travel:	0.025" (0.6mm)
Pretravel:	0.060" (1.5mm)
Release Force:	113gf
Operating Force:	198 ~ 312gf
Features:	--
Series:	MN
Termination Style:	Screw Terminal
Mounting Type:	Chassis Mount
Actuator Type:	Round (Pin Plunger)
Voltage Rating - DC:	115V
Voltage Rating - AC:	120V
Current Rating:	15A (AC), 800mA (DC)
Switch Function:	On-Mom
Circuit:	SPDT (DB/DM)
Part Status:	Active
Packaging:	Bulk

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Snap Action, Limit Switches –3MN19 Application Field and Working Principle

Snap Action, Limit Switches are an important component in automation, especially for machines or systems that require fast, reliable, repeatable movements. Such switches can be found in many places, such as packaging machines, medical equipment, control systems, and industrial equipment. These machines typically use limit switches as sensors or limiters to detect the presence of an object or to measure the rotation or position of a surface. The 3MN19 is a commonly used Snap Action, Limit Switch and is widely utilized in various fields due to its versatile features and durability. This article discusses its application field and working principles in detail.The 3MN19 is typically used in applications where the presence or absence of an object needs to be detected, such as doors, gates, windows, and other surfaces. It can also be used for measuring the rotation or position of an object, such as rotary switches and cylinders. Furthermore, it can be used for monitoring the speed or acceleration of a system, as well as for controlling the length of a conveyor belt or the flow of a liquid.In terms of its working principle, the 3MN19 is designed to operate using a direct current (DC) motor. The switch contains two sets of contacts that are mounted on a motor shaft. When the motor is activated, the contacts will open or close depending on which direction the shaft is spinning. When the shaft is spinning in one direction, the contacts of the switch will open, while when it is spinning in the other direction, they will close. This opening and closing of the contacts allows the switch to detect the presence or absence of an object, measure rotation or position of a surface, as well as control the length of a conveyor belt or the flow of a liquid.In terms of its durability, the 3MN19 is highly reliable and offers a long service life. Its contacts are safely enclosed within an insulated housing which protects them from dirt and debris. Furthermore, the switch is resistant to corrosion, extreme temperatures, and vibrations. This makes it a great choice for industrial and commercial applications.In summary, the 3MN19 is a widely used Snap Action, Limit Switch that performs various functions in different automation applications. It works by using a direct current motor to open and close its contacts, allowing it to detect the presence or absence of an object, measure the rotation or position of a surface, as well as control the length of a conveyor belt or the flow of a liquid. Additionally, it is highly reliable and resistant to corrosion, extreme temperatures, and vibrations. As such, it proves to be an excellent choice for different industrial and commercial applications.

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