2901489

Series:	ETD-BL-1T
Part Status:	Active
Lead Free Status / RoHS Status:	--
Relay Type:	Mechanical Relay
Function:	Repeat Cycle
Circuit:	SPDT (1 Form C)
Delay Time:	0.1 Sec ~ 10 Sec
Contact Rating @ Voltage:	6A @ 250VAC
Voltage - Supply:	24VDC
Mounting Type:	DIN Rail
Termination Style:	Spring Terminal
Timing Adjustment Method:	Screwdriver Slot
Timing Initiate Method:	Input Voltage

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Introduction to Time Delay Relays and Working Principle of 2901489

Time Delay Relays are a class of electromechanical and electronic devices that delay the activation of an electrical device for a specified period of time. Time delay relays are designed to provide a delay between when an external stimulus is applied and when a given process is initiated. They are used in a wide range of applications and can be found in all conveying and control applications.Time delay relays are one of the most versatile relay types available. They can be used to control relays, motors, pumps, fans, valves, alarms, and other electrical loads. Depending on the characteristics of the relay, they can provide an adjustable (or variable) amount of time delay, or a single unit of time delay.The basic working principle of a time delay relay is the same as other types of relays. When an electric current passes through the coil of an electromechanical relay, it generates a magnetic field which closes the contacts connected to the relay. These contacts can then be used to control a load.The 2901489 Time Delay Relay is a programmable time delay relay with adjustable or fixed settings. It is designed to be used in applications where the time delay needs to be adjustable or fixed. The time delay can be adjusted by rotating the preset dial or setting the switch. The device can be mounted on a DIN rail or panel mounted.When a voltage is applied to the 2901489 relay, the relay will be activated after the delay time expires. The time delay can range from 0 to 30 minutes. The device also has LED status indicators to show when the relay is on or off.The device also has built-in protection to ensure that the contacts are not prematurely closed due to a short circuit in the coil. This protection also prevents incorrect triggering of the relay due to over-voltage or failure of the supply voltage.The 2901489 relay can be used in a variety of applications, such as to control motors, pumps, fans, and other loads. It can also be used in security systems, alarms, and lighting control systems. Additionally, the device can be used as a time-delay timer switch in a variety of applications, such as for door access control and automation systems.Time Delay Relays such as the 2901489 are used in a variety of industrial, commercial, and residential applications. They can be used to control loads and to provide a time delay between an input and an output. They are simple to operate and can be adjusted with a simple dial or switch. The 2901489 provides adjustable and fixed time delays, making them ideal for a wide range of applications.

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