311SM6-H4

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Snap action limit switches, such as the 311SM6-H4,are the perfect devices for sensing the presence of a wide range of conditions or objects. Much greater than the simple lever-type switches of old, these modern limit switches provide detection of position, touch, pressure, current,voltage, temperature, and even more.A wide range of variation of these limit switch products includes adjustable trip-point, short-travel, long-travel, and spring-return. There are even “combos”, such as the combination of two switches in one unit.

The 311SM6-H4 limit switch is a perfect example of the modern and versatile type of switch. It is a mechanically operated, high-capacity snap action switch of the position detecting type, designed to detect the presence of an object with a pressurized tip from direct or indirect contact. It can be used with a wide range of mediums, including moving parts, liquids and solids. The switch is actuated by a pressurised activating tip; once released, the mechanism returns to its original position.

Its features include a protection rating of IP67, gold-plated contacts, a standard operating temperature range of -25° to 85°C, a maximum over-travel of 0.2mm, a minimum repeat accuracy of 0.03mm, and a long operating life of up to 1 million cycles. The 311SM6-H4 is available in a variety of sizes, with a range of contact and off centre positions.

The operating principle of the 311SM6-H4 is a balance between the loading action and the restoring action. The loading action is the force applied to the switch’s pressurised tip, which activates the switch. The restoring action is the force applied by the bias spring to return the switch to its original position. When the loading action is greater than the restoring action, the switch will move and the contacts will close. When the restoring action is greater than the loading action, the switch will move back to its original position and the contacts will open.

The 311SM6-H4 is an extremely versatile limit switch, finds use in a wide range of applications. It is widely used in the automotive industry, where its combination of a long operating life, durable construction, and precision operation make it perfect for use in a variety of applications, such as brake and accelerator pedals, door and window switches, and more. It is also often used in industrial settings, such as machine tool operations and processes, temperature control, and shunt trips. Its gold-plated contacts make it perfect for signal transmission and control.

In conclusion, the 311SM6-H4 is a modern and robust limit switch from the snap action variety. It is designed to detect the presence of an object or condition with a pressurized tip and is perfect for a variety of industries and applications. Its features make it reliable, durable, and accurate, providing a long operating life and precision service.

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