PM4HM-H-24VS

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Time Delay Relays are a type of device designed for simple and easy delayed switching control, timing, and switching off of devices in a specified time span, with wide application scope in automatic control and security protection systems. PM4HM-H-24VS is one of the types of time delay relays, which is coming with multifunctional features. In this article, the application field of PM4HM-H-24VS and its working principle will be discussed in detail.

PM4HM-H-24VS is mainly applied in controlling high power loads, such as reactor, converter of inverter, when multiple circuits are needed in controlling power loads. It is also operated normally in controlling different tasks, such as switching on/off of valves or pumps. The additional features of PM4HM-H-24VS time delay relay, like double relay control output, makes it a comfortable and reliable device for industrial automation control as it can guarantee the safe and stable operation of the system.

The working principle of PM4HM-H-24VS involves the delay of the turn-on or turn-off times for a specific device according to user’s requirements. The relay is equipped with adjustable dial-in timing functions, such as “OFF-delay”, “ON-delay”, “flash”, “pulse”, and “close”, so as to meet the user\'s needs for the timing program. For example, when the voltage or current signal of a high-power device reaches the set value, the timer starts to count in the “ON-delay” mode; when the signal instantaneously goes out of the set value, the timer begins to count in the “OFF-delay” mode; when the timer is set with “flash”, “pulse” or “close” modes, it can start to count the specified time after it receives the instruction.

PM4HM-H-24VS can also be connected with a display screen that shows the outputs, status, and other information regarding the timing process to provide users with real-time monitoring and control. The time delay relay is typically powered by the power supply, such as AC power supply (110V and 220V), or DC power supply (Battery). Its internal structure comprises of a timing circuit, power supply circuit, display circuit and a switching circuit. The timing circuit plays the leading role in the working principle of PM4HM-H-24VS by providing an accurate time period.

PM4HM-H-24VS time delay relay can be broadly used in a variety of single-phase and three-phase machines, such as lighting equipment, motors, pumps, compressors, solenoids, fans, and pumps. The advantages of PM4HM-H-24VS over other relays include its easy operation with no need for manual adjustments, its programmable timing function, its high accuracy timing functions and its compatibility with both AC and DC power supplies. This time delay relay has been proved to be extremely reliable even in harsh environments.

In conclusion, PM4HM-H-24VS is an ideal time delay relay for controlling high power loads, and is widely used in motor, lighting, and pump control applications. With its programmable timing, adjustable dial-in functions as well as high accuracy time delay functioning, it is a reliable and secure device in industrial automation control systems.

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