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Snap Action, Limit Switches

The HL5100-G series Limit Switches are certified to UL/EN/CSA standard and are therefore suitable for a wide range of industrial applications. They are suitable for building up control systems in production lines, machine tools, linking different sorts of automation equipment, and many other applications. The HL5100-G series Limit Switches are designed to convert mechanical energy into electrical impulses with absolute reliability and are characterized by precise repeatability, robust construction, and shock and vibration resistance. Their excellent electrical and mechanical properties make them suitable for many industrial applications. The range of operating force extends from 0.25 oz to as much as 5 lbs.

The HL5100-G Limit Switches offer great flexibility in terms of electrical and mechanical designs and include a choice of enclosures, actuators, contact ratings, and control outputs. They are available in a wide range of versions, including standard and compact versions, positive-break and insulation-break contacts, and 2-circuit, 3-circuit, and 4-circuit switches.

Working Principle

The working principle of a limit switch is simple. A movable freely rotating arm is attached to an operating lever inside the switch which is positioned by a mechanical input. When the arm is moved in either direction, the contacts inside the switch open and close, typically in pairs. The momentary operation of the contacts will continue until the arm is released.

In the HL5100-G Limit Switches, the arm is constructed in a way that allows for a precise closing and opening of the contacts. It has a special spring mechanism that can sense very small changes in force and transfer them into electrical signals. This is what allows for precise control over the switch’s operation.

Applications

The HL5100-G Limit Switches are suitable for a wide range of applications, including industrial automation, commercial buildings, transportation, machine tools, and many other applications. They can be used to control the speed, position, and direction of machines and processes. They are also used to detect the position of a part in an automated process, such as the position of an arm in a robotic assembly line.

The use of limit switches in automation applications is growing rapidly, as they provide great flexibility in terms of electrical and mechanical designs. They are characterized by robust construction, precise operation, and shock and vibration resistance. They are often used in critical applications, where their highest-level reliability and precision make them an ideal choice.

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