KRDM433 Industrial Controls

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Part Status:	Active
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Time Delay Relays

Time delay relays are a wide variety of electrical circuit elements used to produce a delay effect, typically determined by a set period of time. KRDM433 is a particular type of time delay relay, which is used in a variety of applications for both industrial and consumer applications. The following sections discuss the application field and working principle of KRDM433.

Application Field

The KRDM433 time delay relay features dual independent windings and can be programmed for up to 20 different sequences. Each sequence may have up to 80 individual delay settings, making it suitable for a broad range of applications. It can be used in industries such as automotive, manufacturing, and control systems. In automotive applications, the relay can be used to activate windows, locks, and lighting systems, as well as to regulate fuel injection and other engine control systems. In manufacturing, it can be used to control production processes by timing the activation of different elements. In control systems, it can be used to regulate system functions, such as heating and cooling.

Working Principle

The KRDM433 time delay relay features two separate windings: one for the input coil and one for the output coil. The input coil is energized by an external source, such as a button switch, while the output coil is energized by the internal circuit of the relay. When the input coil is energized, the relay causes a delay before energizing the output coil. This delay is determined by the programmable delay settings. Depending on the settings, these delays can be as short as one second or as long as 20 seconds.Once the output coil is energized, it stays energized as long as the input coil remains energized. If the input coil is de-energized, the output coil will remain energized for a pre-determined time. This time is determined by the programmable time delay setting. After this time has elapsed, the output coil is de-energized. This allows for greater control over the sequences in which various elements are activated or de-activated.

Conclusion

The KRDM433 time delay relay provides reliable control over a variety of different sequences and is suitable for both industrial and consumer applications. It features two independent windings, allowing for up to 20 possible sequences each with up to 80 individual delay settings. This ensures that the sequence in which elements are activated and de-activated can be precisely controlled according to the user\'s needs.

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