HAL730SF-K

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Magnetic sensors and switches come in all shapes and sizes, and can be used for a wide range of applications. The HAL730SF-K is a solid-state sensor and switch that is well-suited for automation, building control, industrial manufacturing, and process control applications. This article will provide an overview of the application field and working principle behind the HAL730SF-K.

HAL730SF-K Overview

The HAL730SF-K is a digital, solid-state magnetic switch designed for automated process control and applications. It is equipped with two reed contacts, which are actuated by an external magnet. The reed contacts are normally open, meaning they do not close when the magnet is away, and will close when the magnet is close enough. This switch is ideal for door and window alarm applications, as well as low voltage proximity switching.

The switch is available in two models: HAL730SF-K/11 and HAL730SF-K/12. The /11 model is for normally closed applications, while the /12 model is for normally open applications. Both models can be powered with a 9-30V AC/DC supply. The switch is rated up to 5A at 250VAC and can be connected to outputs for DC applications, including relays, LED, and transistor circuits. It can also be used in low voltage proximity switching applications. The switch has a maximum switching distance of 40mm, and a minimum switching distance of 18mm.

HAL730SF-K Working Principle

The HAL730SF-K uses a hall effect principle to detect the presence of a nearby magnet. The principle works by generating a magnetic field either around the switch or with an external magnet. When a magnet is close enough, the magnetic field induces a voltage across two sets of contacts, which triggers the switch, closing the contacts. The magnetic field is also used to power the switch, eliminating the need for an external power source.

The hall effect principle is used frequently for DC proximity switching, as it is more reliable and efficient than mechanical switches. The small size and low power consumption of the HAL730SF-K make it well-suited for battery-operated applications, such as remote door and window alarms. The switching distance can be adjusted to accommodate different requirements, such as the size of the magnet and the distance between the switch and the magnet.

HAL730SF-K Application

The HAL730SF-K has a wide range of applications, from industrial and process control to home automation. It is often used in door and window alarms, as well as in low voltage proximity switching applications. The switch can be used to detect the presence of a person or object, or to monitor the status of a door or window, allowing for automated control.

Additionally, the switch can be used in industrial manufacturing and process control, where it can be used to automate shift changes, monitor door access, and control machinery. It can also be used to monitor production processes, and prevent unauthorized access to hazardous locations or equipment. The switch is also commonly used in automated home control systems, where it can be used to control lights, doors, and other appliances in the home.

Conclusion

The HAL730SF-K is an extremely versatile and reliable switch that can be used for a variety of applications. Its small size and low power consumption make it ideal for battery-operated applications, and its robust design makes it suitable for industrial and process control applications. The switch can be used to detect the presence of a person or object, as well as to control and monitor access. The hall effect principle makes it more efficient and reliable than mechanical switches, and its adjustable switching distance makes it ideal for applications with different requirements.

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