SAS120S110AD Industrial Controls

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Time Delay Relays are often used to protect various electrical circuits from unwanted faults, such as overloading, power outages, or short circuits. The SAS120S110AD is a time delay relay designed to perform this exact function in a variety of circuit applications. This article will discuss the application fields and working principle of the SAS120S110AD.

The application fields of the SAS120S110AD time delay relay are vast. This type of relay can be used to control and protect a variety of circuits. The most common applications include motor starters and air compressors, which can be used in home as well as in industrial settings. It can also be used as a logic and sequence circuit control device, for alarm and warning systems, and for other industrial machine applications.

The working principle of the SAS120S110AD time delay relay is relatively simple. The relay has a built-in timer, which counts down from a preset time (usually from 0 to 5 seconds) when triggered. When the count reaches zero, the relay contact open, and the circuit is broken. When the timer reaches the preset time, the relay contact closes, and the circuit is restored.

The SAS120S110AD time delay relay also includes a manual switch. This switch is used to manually reset the timer. The manual switch can be used to override the timer, allowing the circuit to stay on if needed. The relay can be set to reset when the manual switch is released, allowing the circuit to return to the original preset time.

The SAS120S110AD time delay relay is also equipped with a pilot light or LED indicator. This LED indicator will light up when the circuit is open, indicating that the counter has reached the preset time and the circuit is broken. This light can be used to easily locate the point of the circuit which needs to be reset.

Additionally, the relay features an internal protection mode. This protection mode helps prevent accidental triggering of the timer and prevents the circuit from overloading. The protection mode can also be used to limit the current passing through the relay.

In summary, the SAS120S110AD time delay relay provides a reliable, efficient, and secure way to protect various electrical circuits from unwanted faults. It can be used to control and protect a variety of applications, as well as providing a manual override switch and LED indicator. Additionally, the relay includes an internal protection mode to help prevent accidental triggering of the timer and limit the current passing through the relay.

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