PTHF4900DK

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Part Status:	Active
Lead Free Status / RoHS Status:	--

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Time Delay RelaysTime Delay Relays are an important and necessary part of any electrical system in order to keep everything functioning as it should. They are particularly used for safety applications and provide reliable solutions to a wide variety of tasks. One of the more common Time Delay Relays is the PTHF4900DK.The PTHF4900DK is a single-pole, single-throw time delay relay with adjustable timing (usually anything from 0.05 seconds up to 10 seconds) and full range voltage/current protection. It is ideal for controlling intermittent operations, such as the automatic opening and closing of doors, automatic start-up and shut-down of other electrical equipment, controlling stage lighting, and many other time-controlled applications.The working principle of the PTHF4900DK is relatively simple. Once the input voltage is applied, the relay will be activated and then the timer will start to count down until the preset time is reached, at which point the output will be triggered. This output typically turns off after the set time has elapsed, or it may be designed so that it turns on after the time has elapsed. Depending on the application, the output may also remain on for various lengths of time, and then turn off again when the timer has expired.The PTHF4900DK is typically used in the following applications: stage lighting, automated production lines, remote control systems, automatic switch-off of pumps, and automatic transmission of signals.In stage lighting applications, the PTHF4900DK provides a reliable source of timed delays to ensure that lighting changes are triggered at the appropriate time. For example, it can be used to ensure that all lights turn off at the same time or to ensure that there is a suitable time delay before the next set of lights turn on, allowing for the appropriate cross-fades.In automated production lines, the PTHF4900DK provides a reliable and cost-effective solution to the need for delayed system activation. With the time delay set to the appropriate level, it can be used to activate processes and machinery at the precise time that is necessary for optimal production. This makes it an ideal tool for automation and maximizing efficiency.The PTHF4900DK can also be used for remote control systems, as it provides a reliable source of timed delay to activate devices. This can be ideal for remote control systems that need to be activated from a distance, such as security systems, navigation systems, and remote control of household appliances.In addition, the PTHF4900DK can be used to control the automatic shut-off of pumps. This can help limit energy consumption by turning off pumps after a predetermined time period. This ensures that pumps are not kept running for longer than necessary, thus helping to reduce energy consumption and costs.Lastly, the PTHF4900DK can be used to control the automatic transmission of signals. This can be useful for applications that require the transmission of signals at a predetermined time, such as alarm systems and monitoring systems.Overall, the PTHF4900DK is an ideal Time Delay Relay for various applications. Its simple operation and wide variety of uses make it a reliable and cost-effective solution for any system that needs timed delays.

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