DE1A1B-L2-4.5V

Turn On Voltage (Max):	3.15 VDC
Coil Resistance:	101 Ohms
Coil Power:	200 mW
Contact Material:	Silver Tin Oxide (AgSnO)
Operating Temperature:	-40°C ~ 70°C
Termination Style:	PC Pin
Mounting Type:	Through Hole
Features:	--
Release Time:	5ms
Operate Time:	10ms
Turn Off Voltage (Min):	--
Series:	DE
Switching Voltage:	250VAC, 30VDC - Max
Contact Rating (Current):	8A
Contact Form:	DPST-NO/NC (1 Form A, 1 From B)
Coil Voltage:	4.5VDC
Coil Current:	44.5mA
Coil Type:	Latching, Dual Coil
Relay Type:	General Purpose
Part Status:	Active
Packaging:	Tube

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Introduction

DE1A1B-L2-4.5V power relays are electrical switching components used to switch high-voltage current in order to achieve a desired effect. They can be used to couple two circuits, to open or close circuits, and to amplify signals. In power relays, the current will flow from the input side to the output side, passing through the relay switching contacts and the load connected to the output side. The control input of the power relay is typically driven by a control signal, such as a voltage or current level.

Application Field & Working Principle

The DE1A1B-L2-4.5V power relay is suitable for applications requiring up to 2 amps of current. It can be used to control voltage or current levels from one circuit to another or to control the flow of certain types of power in industrial or consumer applications. The power relay will normally be inactive until it receives a control signal in the form of a voltage or current level. Upon receiving this signal, the power relay will activate and route the desired current through its circuitry.The DE1A1B-L2-4.5V power relay consists of two main parts, the control circuit and the contact mechanism. The control circuit is responsible for receiving and interpreting the control signal and sending the appropriate control signal to the contact mechanism. The contact mechanism is responsible for switching the current in response to the control signal. The contact mechanism consists of two metal sheets which are separated by a small gap. When the control signal is applied, the sheets come together and the current is routed through the gap. When the control signal is not present, the sheets remain apart and no current is routed through the gap.The control circuit of the DE1A1B-L2-4.5V power relay can be configured to sense either a voltage or current level. When a voltage level is present, the control circuit will activate the contact mechanism and the current will begin to flow. When the current level is present, the control circuit will activate the contact mechanism and the current will be routed through the gap in the contact mechanism.The DE1A1B-L2-4.5V power relays are commonly used in a wide range of applications including signal amplification, power transfer, fusing, switching, timer control, and logic control circuits. They are also used in motor control circuits, motor-generator transfer, audio controls, street and traffic lighting circuits, and HVAC circuits.

Conclusion

The DE1A1B-L2-4.5V power relay is a switching component designed to switch high-voltage currents up to 2 amps; it is commonly used in a wide variety of industrial and consumer applications. It consists of two main parts, the control circuit and the contact mechanism, which work together to route the current in response to the control signal. The control circuit can be configured to sense either a voltage or current level, and the contact mechanism consists of two metal sheets separated by a small gap which is used to route the current.

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