GT3A-4AF20 Industrial Controls

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Time Delay Relays are designed to provide a short delay when an input is activated, and then deactivate itself after a pre-determined amount of time.

The GT3A-4AF20 is a time delay relay that can be used for many different applications. It is typically used to provide a timed transition from one state to another. For example, it could be used to control a motor to start and stop after a given time, or to provide a delay before powering up or down an electrical device. It can also be used for sequencing of events, such as closing and opening a contactor, or providing a delay for a safety system.

The GT3A-4AF20 is a low-cost, miniature, two-stage timer/delay relay designed specifically for automation and industrial control applications. It has a wide range of settings, with delay times ranging from 0.1 seconds to 240 hours. It is also UL, CSA, and CE approved, making it suitable for a variety of applications.

The working principle of the GT3A-4AF20 is fairly simple. When an input signal is applied, such as when a switch is activated, a timer starts and continues to run while the input signal is present. When the timer reaches the preset delay time, the output relay opens or closes depending on the settings. The timer can then be reset and restarted when the input signal is reapplied.

The GT3A-4AF20 can be used in a variety of applications, such as machine tool control, safety systems, conveyor control, HVAC systems, electrical motor control, and industrial process control. Its versatility and reliability make it an ideal choice for applications requiring short delays.

In conclusion, the GT3A-4AF20 is a time delay relay that offers a wide range of pre-set delay times and can be used for many different applications. It is easy to use and very reliable, making it one of the most popular and cost effective timers on the market.

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