ESDR120B3P Allicdata Electronics
Allicdata Part #:

ESDR120B3P-ND

Manufacturer Part#:

ESDR120B3P

Price: $ 55.59
Product Category:

Industrial Controls

Manufacturer: Littelfuse Inc.
Short Description: SOLID STATE TIMER (RECYCLING)
More Detail: Time Delay Relay Delay
DataSheet: ESDR120B3P datasheetESDR120B3P Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Lead free by exemption / RoHS Compliant
1 +: $ 50.53860
Stock 1000Can Ship Immediately
$ 55.59
Specifications
Series: *
Part Status: Active
Lead Free Status / RoHS Status: --
Description

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Time delay relays are most commonly used in the automation industry, and the ESDR120B3P is no exception. It is a 3-phase time delay relay specifically designed to provide a simple and cost-effective solution to a wide range of automation applications. This relay can be used in industrial environments such as water treatment plants, manufacturing plants, transportation systems, and energy plants. It is capable of delivering accurate operations and reliable control.

Application Field

The ESDR120B3P is a three-phase time delay relay suitable for a wide range of applications. It is especially suitable for controlling a three-phase motor when it is required to be stopped for a certain time before turning it on or off. It is also used to prevent the machine from running continuously regardless of the power supply conditions. This time delay relay can also be used to prevent access to undesired areas, as well as to open or close the motor circuit in a fixed period of time.

One example of the application of this relay is in a manufacturing plant. The relay can be used to control the turning on and off of the motor, and also to set it to shut down after a certain period of time.

Other applications of the ESDR120B3P includes motor protection, lamp protection, elevator control and air-conditioning control. This time delay relay is also commonly used in water treatment plants for controlling pumps and other equipment.

Working Principle

The working principle of the ESDR120B3P is based on its internal circuitry, which consists of a time delay circuit, a three-phase transformer, and a series of resistors. The three-phase transformer is used to detect the voltage and current on the primary winding, which is then passed through a resistor before being fed to the time delay circuit. When the voltage and current increase, the internal electronics in the time delay circuit will start the timing process necessary for the relay to actuate.

The time delay circuit can be programmed to a predetermined delay in seconds or minutes. Once the predetermined delay has elapsed, the time delay circuit will signal the three-phase relay to actuate. When the relay actuates, the motor, lamps, or other equipment connected to the secondary winding will be switched on or off depending on the desired control.

In conclusion, the ESDR120B3P is one of the most dependable three-phase time delay relays available today. It is suitable for a wide range of applications, from motor control to elevator control and lamp protection. The internal circuitry of the relay makes it easy to program and use, and its accuracy and reliability make it a great choice for automation applications.

The specific data is subject to PDF, and the above content is for reference

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