DBR71210P

Turn Off Voltage (Min):	1.25 VDC
Coil Resistance:	240 Ohms
Coil Power:	--
Contact Material:	Rhodium (Rh)
Operating Temperature:	-20°C ~ 70°C
Termination Style:	Solder Turret
Mounting Type:	Chassis Mount
Features:	--
Release Time:	3ms
Operate Time:	2ms
Series:	D
Turn On Voltage (Max):	9 VDC
Switching Voltage:	1000VAC, 1000VDC - Max
Contact Rating (Current):	3A
Contact Form:	SPST-NC (1 Form B)
Coil Voltage:	12VDC
Coil Current:	50.0mA
Coil Type:	Non Latching
Part Status:	Active
Packaging:	Tray

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Overview

Reed relays are electronic components that use an electromagnet to control an internal set of contacts. It usually consists of a coil, a permanent magnet, a reed, a contact arm and a frame. The reed relay is generally smaller and more reliable than other types of relays and is widely used in AC/DC switching applications.The DBR71210P is a double-size, double-pole reed relay, meaning it has two normally open (NO) contacts that are closed when the relay is energized. The relay is designed to be used in a wide range of applications such as industrial control, measuring and testing equipment, DC/DC converter and power distribution device, among others.

Features and Benefits

The DBR71210P has many features that make it an ideal choice for a wide variety of applications. Firstly, it has an operating voltage of 220VAC, which can be used in most AC applications. Secondly, it has a low power dissipated contact design, ensuring that it takes minimal energy to energize the relay. Thirdly, its contacts are rated at 16A, making it suitable for high-current applications as well. Lastly, it features a wide operating temperature range of -40°C to +85°C making it able to operate in extreme temperatures.

Application Fields

The DBR71210P is ideal for use in a range of applications in various industries such as industrial control, motor control, automotive, appliance control and automation. Specifically, it can be used in motor control and safety systems in industrial automation, power control and digital circuit systems for machine tools, power distribution devices, contactors, EMC screened enclosures and bomb-proof switch systems. As such, the DBR71210P reed relay is a top choice for most AC control and switching applications.

Working Principle

The DBR71210P operates on the principle of a magnetic field being used to open and close its contact. The relay consists of a coil, a permanent magnet, a reed, a contact arm and a frame. When power is supplied to the coil, a magnetic field is created around the coil which causes the reed to move, thus closing the contact. The DBR71210P also has double-pole contacts, meaning there are two NO contacts that are closed when the relay is energized. When the power is removed from the coil, the reed becomes de-energized and moves back to its original position, opening the contact. This is the principle employed by the DBR71210P to open and close its contact.

Conclusion

The DBR71210P is a popular double-sized double-pole reed relay that is used in many AC control and switching applications. It has an operating voltage of 220VAC, low power dissipated contacts and a wide operating temperature range of -40°C to +85°C, making it an ideal choice for most applications. It operates on the principle of a magnetic field used to open and close its contact, making it highly reliable and efficient.

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