DE2A-24V

Turn On Voltage (Max):	16.8 VDC
Coil Resistance:	2.88 kOhms
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):	2.4 VDC
Series:	DE
Switching Voltage:	250VAC, 30VDC - Max
Contact Rating (Current):	8A
Contact Form:	DPST-NO (2 Form A)
Coil Voltage:	24VDC
Coil Current:	8.3mA
Coil Type:	Non Latching
Relay Type:	General Purpose
Part Status:	Active
Packaging:	Tube

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Power Relays, Over 2 Amps – DE2A-24V Application Field and Working Principle

The DE2A-24V is a type of power relay designed for use in electrical systems and circuits that require very high-conductance rates, and its application field covers a range of industrial, automotive, consumer, and military products. This type of power relay, also known as an electromagnetic relay, has been utilized in automobiles, computers, and general-purpose electronic equipment since the late 1970s.The DE2A-24V is primarily used for switching current in circuits. This requires high break contact ratings and as such, this type of power relay utilizes a heavy-duty, insulated metal contact and a dielectric insulating polymer to achieve the desired performance. Since this type of relay is ultra-sensitive, it is ideal for handling applications where a low operation voltage and very small contact gaps are required.The DE2A-24V relay has a general purpose DPDT (double pole, double throw) contact configuration which allows for switching two load circuits simultaneously. The relay\'s contact ratings are 10 amps for resistive loads and 5 amps for inductive and capacitive types. In general, resistive loads are those that do not possess an excess of inductance or capacitance while inductive and capacitive types can contain some amount of each. As for the working principle of the DE2A-24V relay, it utilizes its own contact system along with contact springs to make and break an electrical circuit. In essence, it operates by using a coil-driven electromagnet to control the contacts. When the coil is energized, the electromagnet pulls the contact arms (or springs) and the contact fingers move against each other. When the coil de-energizes, the contact arms are released and the contacts close. To achieve the desired performance, this type of relay is typically used in low voltage (<24V) applications, since high voltage damages the contacts and reduces its performance. Additionally, the contact configuration should always be checked before attempting to switch an electrical circuit, as incorrect contact placement may cause arcing and contact burning.Furthermore, due to the sensitivity of the DE2A-24V relay, it is important to ensure correct positioning of the contact arms. This is to avoid unintentionally keeping a contact closed after deactivation of the relay coil, as this can cause a stall in the current flow.In summary, the DE2A-24V is a versatile, reliable and cost-effective power relay designed for a wide range of industrial, automotive, consumer and military applications. It is ideal for switching current in circuits that require high break contact ratings and it operates by using its own contact system and contact springs to make and break an electrical circuit. Furthermore, the coil should be de-energized before the contact arms are released and the contacts close, and the contact configuration should always be checked before attempting to switch an electrical circuit.

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