QS81XXR12

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Panel indicators, Pilot lights, such as the QS81XXR12, are an important component in many applications, allowing for quick visual feedback or control of a certain situation. These devices are designed to cope with the demands of both modern and older applications. In this article, we will discuss the applications fields as well as the working principle of the QS81XXR12.

Application Fields

Panel indicators, Pilot lights, like the QS81XXR12, are typically used in control environments where fast, accurate visual feedback is important. The most common applications for these devices include:

• Indication: Panel indicators, Pilot lights, including the QS81XXR12, are commonly used to provide visual indications of a particular status or condition. For example, these devices may be used to indicate when a device is on, off, in an alarm condition, when something has reached a certain level, when a system is ready or when a machine is in need of maintenance.
• Control: Panel indicators, Pilot lights, such as the QS81XXR12, can also be used as part of a control system. By combining them with other devices such as switches and circuit breakers, it is possible to provide feedback on a process or to control a device or system.
• Protection: Panel indicators, Pilot lights, like the QS81XXR12, are also used to provide safety and protection in dangerous or hazardous applications. For example, these devices may be used to indicate when a dangerous system is armed, when toxic materials are present or when a hazardous situation is present.

Working Principle

Panel indicators, Pilot lights, like the QS81XXR12, typically consist of an LED, a current limiting resistor, and a lens. The LED emits light, which is then directed by the lens towards the viewing area. The amount of light is controlled by the current limiting resistor, which limits the amount of current flowing through the LED.

When the device is in the "on" state, current flows through the LED and it emits light. When the device is in the "off" state, the current is blocked and the LED does not emit light. This is the basic working principle of panel indicators, Pilot lights, including the QS81XXR12.

Conclusion

Panel indicators, Pilot lights, such as the QS81XXR12, are an important component in many applications. They are used for indication, control, and protection, and typically consist of an LED, a current limiting resistor, and a lens. Understanding the application fields and working principle of these devices can help to ensure that they are correctly specified and installed.

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