H3M-H-AC100/110/120-A

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Time Delay Relays are electrical switching devices that are designed to automatically delay the switching operations of other electrical devices for a programmed period of time. One type of Time Delay relay is the H3M-H-AC100/110/120-A, which is designed for a wide variety of applications including circuit protection, logic circuits, universal motor control, full wave bridge rectification, etc. This article will focus on the H3M-H-AC100/110/120-A application field and working principle.

Application Field

The H3M-H-AC100/110/120-A Time Delay relay is used in a wide variety of applications. It is a suitable device for controlling low and medium power circuits up to 100 Amps. It is suitable for industrial applications such as lighting control, motor and pump control, machine tool control, and HVAC control. It can also be used to control street lighting, electrical power distribution, and commercial applications. Additionally, the H3M-H-AC100/110/120-A can be used in electronic circuits, modulating control circuits, and other applications

Working Principle

The H3M-H-AC100/110/120-A is a solid-state Time Delay relay which uses a transistor as its main switching element. The transistor is driven by a voltage applied to its base and when the transistor switches on, the current passes through the load circuit. The amount of current flowing through the load is determined by the value of the voltage, which is applied to the transistor\'s base. When the voltage reaches a certain level, the transistor switches off again, thus completing the cycle.

The H3M-H-AC100/110/120-A Time Delay relay can be programmed to delay the switching action by up to 1 second. The amount of delay is determined by adjusting the control voltage. There are two adjustment terminals in the H3M-H-AC100/110/120-A which are used to adjust the amount of delay. The first terminal is used to adjust the amount of delay time, which is set in increments of 0.1 second. The second terminal is used to adjust the level of voltage which is applied to the transistor\'s base, thus adjusting the amount of current that passes through the load circuit.

The H3M-H-AC100/110/120-A Time Delay relay also features over-voltage, over-current, voltage drop, and short-circuit protection, as well as protection against temperature fluctuations. This ensures that the relay will provide reliable performance under varying conditions. Additionally, the H3M-H-AC100/110/120-A features fast reaction time, so it is suitable for applications that require rapid response.

In conclusion, the H3M-H-AC100/110/120-A Time Delay relay is an ideal device for controlling low and medium power circuits up to 100 Amps. It is designed for a wide variety of applications, and features temperature protection, voltage drop protection, and an adjustable delay time. Additionally, the H3M-H-AC100/110/120-A features fast reaction time, making it suitable for applications that require rapid response. Using the H3M-H-AC100/110/120-A Time Delay relay in applications can help to provide reliable, efficient performance.

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