CHD-38-30002 Industrial Controls

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Time Delay Relays

Time Delay Relays are types of relays that operate a switch or contact after a preset timedelay. They allow you to control the timing of a switch or contact to precisely measure and regulate the timing of an event. This is particularly useful in industrial and manufacturing processes where managing the timing of electrical or mechanical parts is integral to efficient production.

The CHD-38-30002 Time Delay Relay is an 8-pin plug-in/socket type of time delay relay. It is built with a SCR output with voltage ratings of 250V AC/DC, making it suitable for both AC and DC voltage loads. It is designed to have a maximum time delay of 0.2-20 seconds, which can be achieved through simple time setting with no extra wiring. The relay can be used to provide delay-on-make, delay-on-break or both-delay control.

Application Field

Time Delay Relays, such as the CHD-38-30002, are widely used in all types of industrial and commercial settings. Common applications include controlling the lighting and switches in commercial buildings, industrial machinery, medical equipment, air conditioning systems and automated processes. Time Delay Relays can also be used in hydrogen fuel cells and solar energy systems to help regulate the timing of charging and discharging.

Working Principle

The CHD-38-30002 Time Delay Relay has an 8-pin plug-in/socket type design and is operated through SCR output with a maximum time delay of 0.2-20 seconds. The relay is triggered when the input voltage is applied and the relay contacts switch the load to a closed circuit. After a preset delay time, the relay contacts switch the load back to the open circuit, and the time delay process is then repeated. The timing of the relay is set during installation and can be easily changed depending on the application.

The CHD-38-30002 is also equipped with a power switch which allows for manual operation of the relay. It is designed to provide flexibility in controlling the relay and to act as a backup if the main power source fails. The relay also has built-in Surge Protection Device (SPD) to ensure reliable operation even under adverse conditions.

Conclusion

Time Delay Relays, such as the CHD-38-30002, are versatile and highly reliable tools for a wide range of industrial and commercial applications. They allow you to precisely control the timing of a switch or contact by setting a predetermined delay time, which can be easily changed depending on the application. Additionally, the CHD-38-30002 is equipped with a power switch and an SPD to provide reliable operation under adverse conditions.

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