UD2-3SNU-L

Turn On Voltage (Max):	2.25 VDC
Coil Resistance:	90 Ohms
Coil Power:	100 mW
Contact Material:	Silver Alloy, Gold Alloy
Operating Temperature:	-40°C ~ 85°C
Termination Style:	Gull Wing
Mounting Type:	Surface Mount
Features:	--
Release Time:	1ms
Operate Time:	2ms
Turn Off Voltage (Min):	--
Series:	UD2
Switching Voltage:	250VAC, 220VDC - Max
Contact Rating (Current):	1A
Contact Form:	DPDT (2 Form C)
Coil Voltage:	3VDC
Coil Current:	33.3mA
Coil Type:	Latching, Single Coil
Relay Type:	General Purpose
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Signal relays are electrically operated switching devices that form an integral part of any device, system or electronic product which requires isolation between its input and output signals. The UD2-3SNU-L is a top-tier option for those in need of a reliable and efficient signal relay. This versatile component provides up to 2 Amps of peak current switching power and is perfectly suited for a range of applications. In this article, we\'ll take a closer look at the field of application and working principles of this device.The UD2-3SNU-L is ideal for a variety of applications, including HVAC, visual monitoring systems, heating, ventilation, and air conditioning (HVAC) systems, doorbells, alarms, medical equipment, and home automation systems. It provides versatile, cost-effective and reliable switching of AC or DC current levels. The device is rated to handle a maximum peak current of 2 Amps, and is built to endure between -40 and +85 degrees Celsius.The UD2-3SNU-L operates within a wide range of voltages, and functions according to a simple switching principle. This type of relay consists of a set of pneumatic, electrical, or mechanical parts that allow power to be switched between two points. To operate the device, an electrical control signal is sent to the relay, which causes the internal contactors to move and open or close the circuit. The switch remains activated until the opposite contactor is activated, or until the control signal is released.In terms of construction, the UD2-3SNU-L is composed of a single-pole, double-throw contactor with an external N/O (normally open) contactor, as well a double-pole, double-throw contactor with a centre-off contactor. The device is fully sealed and hermetically sealed, providing superior protection against dust, dirt, and other contaminants. It also features an LED indicator, making it easy to diagnose any issues with the device. The operating principle of the relay is simple, but extremely reliable. When a voltage is applied to the relay, the internal contactors keep the circuit closed until the same voltage is applied in the opposite direction. This keeps the contacts open until the control signal is released. When the contactors are released, the internal contacts return to their original positions.Overall, the UD2-3SNU-L is a highly efficient, cost-effective signal relay that can be used for a variety of applications. Its ability to switch up to 2 Amperes of peak current makes it an efficient and reliable switch for most electrical systems, and its hermetically sealed construction ensures superior protection against dust and debris. In addition, its simple operating principle makes it easy to use and diagnose any issues with the device.

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