DE1A1B-L-3V

Turn On Voltage (Max):	2.1 VDC
Coil Resistance:	90 Ohms
Coil Power:	100 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:	3VDC
Coil Current:	33.3mA
Coil Type:	Latching, Single Coil
Relay Type:	General Purpose
Part Status:	Active
Packaging:	Tube

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Power relays are essential components for many automated systems. The DE1A1B-L-3V is a versatile power relay capable of switching heavier current than other standard relays. This device is used in many different applications and can improve the efficiency of current-supply operations across a variety of settings. This guide will provide an overview of the DE1A1B-L-3V’s application field and working principle.The DE1A1B-L-3V is a power relay designed for switching currents above 2 Amps. It has a high sensitivity at a low coil voltage of 5V DC with contact ratings of 16 Amps and resistive load ratings up to 4,500V AC. This power relay can be used in a variety of settings where high current is required, including motor control, power systems, lighting control, home appliance control, and other low-voltage appliances.The DE1A1B-L-3V has a wide range of features that make it suitable for various applications. It has a built-in low-resistance magnetic circuit and a removable dust cover to reduce contact resistance and protect against dirt and dust. The relay also includes a pick-up current circuit, overcurrent protection circuit, protection circuit for LED lamp, and a TVS (Transient Voltage Suppression) device for protecting against inrush currents that might damage the contacts. The pick-up current ensures that the contacts close at the correct time, and the over-current protection circuit helps protect against contact burning due to higher-than-normal currents.The relay is also designed to reduce the risk of electrical failures. Its built-in snubber circuit limits the contact opening speed and contact arcing time, as well as reducing the generation of contact contamination and material integration. Additionally, it contains a surge protection device to avoid voltage spikes that can damage the contact when current is suddenly switched on or off.The DE1A1B-L-3V’s working principle is based on an electromagnetic coil. When a current is applied to the coil, the coil’s magnetic field causes an armature to be drawn in towards it. This motion opens or closes the contact, allowing for the flow of current. The amount of current that can be switched is determined by the amount of current running through the coil and the EMF (Electromagnetic Field) it generates. The EMF produces a greater attraction on the armature and thus enables the switch to break higher current loads.The DE1A1B-L-3V is a highly reliable power relay that is suitable for many applications requiring higher current to be switched on or off. Its features and design principles help ensure electrical safety and efficient operation in various settings.

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