AM50020C33-A

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AM50020C33-A snap action limit switches are widely used in many fields. They are designed to be fast, reliable, and user-friendly. This type of switch is installed in various machines, appliances, and instruments to provide safety and security. The following explains the applications of AM50020C33-A switch, as well as its working principle.

Applications

AM50020C33-A snap action limit switches are ideal for use in circuit logic control and off/on power control for industrial equipment, automation systems, HVAC equipment, and home appliances. Because of their snap action operation, limit switches offer flexibility when used with a variety of devices and systems, including moving mechanical contacts to indicate position, act as safety devices, or detect the presence or absence of an object.

In addition, AM50020C33-A snap action limit switches can be used for manual control, such as for door interlock, machine tool control, limit switch, grip switch, and protection switch. They are also commonly used in the elevator industry, including escalator handrails and elevator doors, as well as in additional industrial sectors such as conveyor, hoist, and haulage systems.

Working Principle

AM50020C33-A snap action limit switches use a metal strip as the actuator. Inside the switch, a hovering metal strip is bent when pressed in either direction, which causes the button to make contact with the inside of the switch. When the strip is released, the metal strip snaps back to its original position, thereby resetting the switch. The switch is designed to actuate with a specific amount of force, so a consistent amount of corrosion, dirt, and other pollutants need to be maintained for it to remain reliable.

The switch’s operation is based on three components, the metal strip, a magnet which reacts to a ferromagnetic material (such as iron and steel) when a force is applied, and a spring. The metal strip is installed in the switch and sits atop of the magnet and spring. When pressure is applied, the particular magnetic and spring combination creates an activated area, causing the metal strip to shift, breaking contact with the magnet’s force field and the circuit.

Additional Considerations

AM50020C33-A snap action limit switches are designed to be highly durable, reliable and ready to use out of the box. The switches come with a wide range of settings and controls, such as repeatable reset positions, fast acting control and accumulation settings, manual and power control settings, and various other features.

In addition, AM50020C33-A switches are designed to be waterproof and are available in weather proof, IP67 and IP68 models. This makes them suitable for use in outdoor and heavy duty applications, such as in power plants or amusement parks.

Furthermore, the switches can be used in hazardous environments and are compliant with the relevant safety regulations. This includes the UL 1950, CSA C22.2 No.236, EN 60947-5-1 and EN 60947-5-5 requirements.

AM50020C33-A snap action limit switches offer many benefits in terms of safety, reliability, and flexibility. From elevators and amusement parks to construction sites and industrial production lines, these switches can be used in a variety of applications due to their robust design, ability to actuate with a specific amount of force, and wide range of controls settings. Additionally, these switches are designed to handle hazardous environments and rigorous surroundings.

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