2917447

Series:	ETD-BL-1T
Part Status:	Active
Lead Free Status / RoHS Status:	--
Relay Type:	Mechanical Relay
Moisture Sensitivity Level (MSL):	--
Function:	On-Delay
Circuit:	SPDT (1 Form C)
Delay Time:	3 Min ~ 300 Min
Contact Rating @ Voltage:	6A @ 250VAC
Voltage - Supply:	24VDC
Mounting Type:	DIN Rail
Termination Style:	Screw Terminal
Timing Adjustment Method:	Screwdriver Slot
Timing Initiate Method:	Input Voltage

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Time Delay Relays

Time Delay Relays (TDR) are relays which have been specifically designed to cause a delay in a process through an adjustable timer or specific control. As a type of relay, they are a subcategory of contactors and relays which are used in electrical, programmable control systems, and industrial automation systems to start, stop, or control various processes within a specified timeline. TDRs are available in many different models and provide a convenient way for users to regulate the timing of electrical circuits.The generic purpose of TDRs lies in the application of programmable timing and control in the operation of circuits, machines, and process systems. They may be used to start, stop, cycle, and switch output on a set schedule to control the time in which functions are performed. This can be especially useful in situations where the timing of an activity has to be exact or where a certain amount of time must lapse between activities. Time Delay Relays are employed in many different types of industries and can be used in applications such as controlling motor speeds, welding machines, hoists, and other motor driven systems. They can also be used to protect motors from overload, in sequences of on/off operations, to control water levels in tanks, and in lighting systems. Ultimately, these relays provide a versatile and dependable solution for a large number of applications.

2917477 Application Field and Working Principle

The application field of a 2917477 Time Delay Relay is very broad and includes applications for both AC and DC power, as well as for both control and industrial processes. These relays are typically used with various electrical systems in order to automate processes in order to increase efficiency and accuracy. It is also possible to combine several different TDRs together to achieve more complex functionality.In terms of its working principle, the 2917477 Time Delay Relay is relatively simple. When the power is switched on and a signal is given, the TDR will activate an adjustable timer which can be programmed via a specific control parameter. This timer will then activate a switch which will cause the TDR to cause an output, typically in the form of a signal or contact closure, when it reaches the preset time interval. This output can then be used to start, stop, or otherwise control certain processes in a predefined timeline.

Conclusion

Time Delay Relays are an invaluable tool for automation and control, providing a reliable way of controlling the timing of electrical circuits and processes. The 2917477 Time Delay Relay in particular is a versatile and dependable tool which can be used in a variety of applications. It is an incredibly useful and cost effective solution for applications which require precise timing or where a certain amount of time must lapse between activities.

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