H3Y-4 AC100-120 10S

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Time delay relays (TDRs) are complex electromechanical devices used to control and regulate the cycling of electricity in industrial equipment. Specifically, H3Y-4 AC100-120 10S TDRs are used to delay the switch-off time of a circuit for a period of up to 10 seconds upon receiving an input. These TDRs are widely utilized in the industrial process control and automation sector where they are utilized to either extend the operational period of electrical equipment, prevent excessive cycling, and ensure other consistent operations in the designated time frame.

The construction of TDRs consists of a set of electrical contacts, an input voltage winding, and a capacitor. Upon receiving an input, the input voltage winding is magnetized and, in turn, activates the electrical contact set. This allows electrical current to flow through the contacts to the capacitor. As electrical current continues to flow, it charges the capacitor. This process causes the delay time of the TDR. When the charge on the capacitor reaches a specific predetermined point, the voltage on the capacitor is sufficient to de-magnetize the input voltage winding and deactivate the electrical contact set which then opens the switch and interrupts power to the device.

The H3Y-4 AC100-120 10S has several application fields. It is frequently used in automated door motors, automated light switches, air-conditioning systems, and emergency alarm systems. In air-conditioning systems, the H3Y-4 AC100-120 10S is commonly mounted to the compressor and set to about 10 seconds. This ensures that the compressor-off time is prolonged to reduce unnecessary wear and tear resulting from frequent on-off cycling. Additionally, the H3Y-4 AC100-120 10S is also used in emergency alarm systems to delay the closure of the main power circuit for a period of about 10 seconds to allow the emergency signal to be sent out from the main wirings. In automated door motor systems, the use of H3Y-4 AC100-120 10S ensures that the motor has enough time to fully open and close.

Apart from their application in motor and emergency alarm systems, the H3Y-4 AC100-120 10S is also utilized in automated light switches. The delay time of 10 seconds proved by the TDR enables the switch to remain “on” for up to the given delay time providing sufficient time for appropriate illumination of the target area. Moreover, the 10 second delay time of the H3Y-4 AC100-120 10S can be adjusted by changing the heat generated winding resistor ensuring a more adjustable and accurate user experience.

The H3Y-4 AC100-120 10S TDR is a versatile device which can be used in a variety of applications requiring reliable, accurate, and adjustable timer controls and switch actions. The user is provided with reliable and effective control technologies without any worries of instability associated with other delay relays when operated under extreme temperature and humid weather conditions.

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