SFY2-DC18V

Turn On Voltage (Max):	13.5 VDC
Coil Resistance:	483 Ohms
Coil Power:	670 mW
Contact Material:	Silver Nickel (AgNi), Gold (Au)
Operating Temperature:	-40°C ~ 70°C
Termination Style:	PC Pin
Mounting Type:	Through Hole
Features:	--
Release Time:	10ms
Operate Time:	20ms
Turn Off Voltage (Min):	2.7 VDC
Series:	SF-Y
Switching Voltage:	250VAC, 30VDC - Max
Contact Rating (Current):	6A
Contact Form:	4PST-2NO/2NC (2 Form A, 2 Form B)
Coil Voltage:	18VDC
Coil Current:	37.0mA
Coil Type:	Non Latching
Relay Type:	Safety
Part Status:	Active
Packaging:	Bulk

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Power Relays, Over 2 Amps

The SFY2-DC18V relay is a versatile and reliable power relay suitable for a wide range of applications. It comes with a wide variety of features that make it suitable for applications in residential, commercial, and industrial settings. This document will discuss its application field and working principle.

Application Field

The SFY2-DC18V is a power relay ideal for applications in both residential and commercial settings. Its open-style design and integrated thermal protectors make it suitable for use in applications like lights, fans, power strips, AC and DC motors, air conditioners, heat pumps, and other large appliances. Its high surge capacity and large contact rating make it suitable for applications that require reliable and fast response.The SFY2-DC18V can also be used for control in industrial applications, such as controlling pumps, air compressors, and other high-power machines. Its wide contact range and large breakdown voltage make it suitable for applications like process control, manufacturing automation, and power plant operation.

Working Principle

The SFY2-DC18V is a 3-pole, normally-open relay. It has a coil, two normally-closed contacts, and one normally-open contact. The coil is made from a ferromagnetic metal and is energized when a rated voltage is applied across it. When this happens, the coil creates a magnetic field that attracts the relay arm and closes the normally-open contacts.When the power is removed from the coil, the magnetic field collapses and the arm is released, opening the normally-open contacts. The normally-closed contacts remain closed when the relay is not energized. The closing and opening of the contacts occurs quickly, with a response time of up to 1 per second. The SFY2-DC18V is also equipped with features such as thermal protection, surge protection, and voltage protection. It is constructed with a dielectric strength of up to 1500V and an insulation resistance of up to 1000MΩ. This helps ensure reliable operation in even the most demanding environments. In summary, the SFY2-DC18V is a versatile and reliable power relay suitable for applications in residential, commercial, and industrial settings. Its wide contact range, high surge capacity, and large breakdown voltage make it suitable for a wide range of applications. Its integrated thermal, surge, and voltage protection help to ensure reliable operation in challenging environments, making the SFY2-DC18V an ideal choice for customers with such requirements.

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