G2R-2-AUL DC12

Turn On Voltage (Max):	8.4 VDC
Coil Resistance:	275 Ohms
Coil Power:	530 mW
Contact Material:	Silver Alloy
Operating Temperature:	-40°C ~ 70°C
Termination Style:	PC Pin
Mounting Type:	Through Hole
Features:	Sealed - Flux Protection
Release Time:	5ms
Operate Time:	15ms
Turn Off Voltage (Min):	1.8 VDC
Series:	G2R
Switching Voltage:	380VAC, 125VDC - Max
Contact Rating (Current):	5A
Contact Form:	DPDT (2 Form C)
Coil Voltage:	12VDC
Coil Current:	43.6mA
Coil Type:	Non Latching
Relay Type:	General Purpose
Part Status:	Active
Packaging:	Tray

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Power Relays, Over 2 Amps, G2R-2-AUL DC12 Application Field and Working Principle

Introduction

A power relay, often referred to as a switch, is an electronic device that is used to control or activate an electrical circuit. Power relays are typically used to control higher voltage/amperage circuits than can be reliably controlled directly from a controller. Over 2 Amps power relays are capable of controlling circuits with current higher than 2 Amps, and are very common in the field. The G2R-2-AUL DC12 is one such relay, and is among the most common power relays on the market. This article will examine the application field and working principle of the G2R-2-AUL DC12 power relay.

Application Field:

As one of the most popular and reliable power relays on the market, the G2R-2-AUL DC12 has a wide variety of applications. Due to its high current rating, it has become a favorite of many electricians and circuit designers for its capability of controlling high voltage and/or high current circuits. Common uses for the G2R-2-AUL DC12 include motor control circuits, lighting circuits, HVAC control circuits, and even small appliance control circuits. It is also versatile enough to be used in both industrial and residential applications.

Working Principles:

The G2R-2-AUL DC12 is an Electro-Mechanical relay, meaning that it uses the combination of an electric circuit and a mechanical component to control the circuit. It works by using an electromagnetic field to control the movement of a mechanical armature which closes a contact and allows the current to flow through the relay. This can be done in one of two ways:

• Direct Drive: In this method, the electromagnet is wired directly to the DC power source. When electricity is applied, the electromagnet produces an electromagnetic field which attracts the armature, causing it to close the contact. When the power is removed, the armature returns to its original position and the contact is opened. This method is simple and efficient, however the timing of the contact closing and opening is not adjustable.
• Inductive Drive: This method uses an electromagnet that is wired in series with a coil of wire. When the DC power supply is applied to the coil, it produces an oscillating electromagnetic field which attracts and repels the armature and thus opens and closes the contact. This method is more complicated but more versatile; the timing of the contact opening and closing is adjustable.

Advantages:

The G2R-2-AUL DC12 power relay has many advantages over other types of relays, including:

• High current rating: At 2 Amps, it is able to control even the most powerful of circuits.
• Compact size: The size of the G2R-2-AUL DC12 is much smaller than other power relays, making it ideal for applications where space is at a premium.
• High reliability: The G2R-2-AUL DC12 is known for its reliability in controlling even the most demanding of circuits.
• Versatility: With both direct and inductive drive methods, it can be used in a wide variety of applications.

Disadvantages:

Despite its many advantages, the G2R-2-AUL DC12 does have some drawbacks as well. Due to its small size, it is not designed for high cycle applications. Also, it does not have as good of shock and vibration resistance as some other power relays. Additionally, it is not capable of controlling alternating current (AC) circuits directly, although it does have an adapter available for AC control.

Conclusion

The G2R-2-AUL DC12 power relay is one of the most reliable and versatile power relays on the market. With its high current rating and versatile direct and inductive drive methods, it is capable of controlling even the most demanding circuits. While it does have its limitations, such as its small size and lack of AC control, these are typically outweighed by its advantages. With its compact size and high reliability, the G2R-2-AUL DC12 is a great choice for control applications requiring a high level of reliability and performance.

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