SAS5S220AD

Series:	*
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Moisture Sensitivity Level (MSL):	--

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Time Delay Relays are used as an automation device to control the operations of equipment automatically in a specified time with respect to the user-set instructions. The SAS5S220AD Time Delay Relay is specially designed for the applications that require precision timing control and it has the excellent performance for controlling various power-driven devices during a specific time to offer maximum flexibility and power efficiency. The SAS5S220AD Time Delay Relay is mainly used in low pulse control systems, high-frequency applications such as intermittently motion control systems, mechanical motion control, industrial high-frequency power control systems and various other delay control systems. Its application field mainly consists of air conditioning system, water supply systems, traffic equipment, and other equipment related to power control.The working principle of the SAS5S220AD Time Delay Relay is based on an internal clock with an external reset input and an output to control the device. The clock of the Time Delay Relay is based on a series of switches that have two different types of switching mechanism. The switches activate a small transistor that acts as a latch-up circuit and the latch-up circuit will then control the output of the device. The external reset input of the SAS5S220AD Time Delay Relay helps in controlling the output in a predetermined time and setting the device’s working time. The reset input ensures that the relay works according to the user-set instructions and it can be used to reset the device to the orginal factory settings. This reset input is also useful in controlling the reset frequency, which is crucial in high frequency applications such as intermittently motion control systems.The Time Delay Relay is equipped with a digital display which shows the Time Delay Relay’s operating time. This digital display helps users in correctly setting the operating time of the relay. The displayed operating time is typically set with the help of a dedicated controller, often integrated with the relay or accompanied with it, which allows users to set the operating time in an exact way. The output of the Time Delay Relay is a switch having two different states; usually, the switch is either in open or closed condition. When the switch is in open condition, the output is disconnected from the load, resulting in a disconnection of energy flow or signal between the two. In the closed condition, the flow remains supplied chances are there of much power drainage form the output, which is not usually desired. As the output switch works non-stop, it could overheat if over-utilized. To address this issue, a built-in thermal-relay is integrated into the SAS5S220AD Time Delay Relay, which keeps a check on the switch’s temperature to protect it against an overheating situation.To sum up, the SAS5S220AD Time Delay Relay is a perfect choice for applications where precise timing control is required. It is designed to offer maximum flexibility for controlling various power-driven devices in a specific time frame, and it is equipped with a digital display for displaying the time used for controlling the device. It also has an external reset input for controlling the output in the pre-defined time with user-set instructions, along with an in-built thermal-relay to control the switch temperature.

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