Allicdata Part #: | ESDR420A4-ND |
Manufacturer Part#: |
ESDR420A4 |
Price: | $ 55.59 |
Product Category: | Industrial Controls |
Manufacturer: | Littelfuse Inc. |
Short Description: | SOLID STATE TIMER (RECYCLING) |
More Detail: | Time Delay Relay Delay |
DataSheet: | ESDR420A4 Datasheet/PDF |
Quantity: | 1000 |
Lead Free Status / RoHS Status: | Lead free by exemption / RoHS Compliant |
1 +: | $ 50.53860 |
Specifications
Series: | * |
Part Status: | Active |
Lead Free Status / RoHS Status: | -- |
Description
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ESDR420A4 is a time delay relay which is specifically designed to provide time delay control in certain applications. The time delay relay consists of two parts, the control unit and the relay unit.The control unit contains a circuit board and a timer. It is used to receive inputs from the user, such as contact position, set time, timing interval, etc. This information is then used to determine when the relay should activate. The timer is the component that actually controls the activation of the relay.The relay unit consists of a coil, a movable contact arm, and a stationary contact. The coil is electrically energized when the relay is activated, causing the contact arm to move and make contact with the stationary contact. This contact is then able to send a switching signal to other components or devices to activate them.The ESDR420A4 time delay relay is typically connected to a circuit with a switch, allowing the user to start the timing sequence manually. The time delay is then set by adjusting a potentiometer on the control unit. When the control unit receives the start signal, the timing sequence is initiated and the relay will activate at the set time.ESDR420A4 time delay relays are mainly used in automotive, industrial, and home automation applications. They are particularly useful in applications which require an output to be activated after a fixed amount of time has passed.For example, in automotive applications, ESDR420A4 time delay relays help ensure that the car\'s doors are locked for a pre-determined amount of time after the engine has been switched off. This helps to prevent theft by ensuring that the doors cannot be opened unless the specified amount of time has passed. Similarly, in industrial applications, the relays are used to activate machinery or other systems after a fixed amount of time has passed, allowing the system to reset or run as necessary.In home automation applications, ESDR420A4 time delay relays are used to control lighting or other home appliances. The user can set the timer to switch the lighting or other appliance off after a specified amount of time has passed. This is useful for things like timed lighting, saving energy, and ensuring that the home environment is kept safe and secure.In summary, the ESDR420A4 time delay relay is a versatile and reliable device which can be used in a wide variety of applications. The device is easy to set up and provides accurate timing control for any system or application where time delay is necessary.The specific data is subject to PDF, and the above content is for reference
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