Turn On Voltage (Max):	19.2 VAC
Coil Resistance:	79 Ohms
Coil Power:	--
Contact Material:	Silver (Ag)
Operating Temperature:	-25°C ~ 40°C
Termination Style:	Plug In, 11 Pin (Octal)
Mounting Type:	Socketable
Features:	--
Release Time:	25ms
Operate Time:	25ms
Turn Off Voltage (Min):	7.2 VAC
Series:	RR
Switching Voltage:	240VAC, 30VDC - Max
Contact Rating (Current):	10A
Contact Form:	3PDT (3 Form C)
Coil Voltage:	24VAC
Coil Current:	105mA
Coil Type:	Non Latching
Relay Type:	General Purpose
Part Status:	Active
Packaging:	Bulk

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Power Relays, Over 2 Amps

RR3PA-UAC24V Application Field and Working Principle

The RR3PA-UAC24V is an automotive-class power relay from OMRON. Specifically crafted for the automotive industry, it is designed to last up to over ten million operations, with an allowable current of up to 20A. Its large contact area layout and current interruption capacity offer superior protection for automotive and other automotive-related applications. This power relay can be used in applications related to the control of DC motors, security systems, headlight indicators, airbag systems, and more.A power relay is an electromechanical device that uses an electromagnet to open and close an electrical circuit. The relay is composed of a coil, a movable armature, and an array of contacts. When power is applied to the coil, a magnetic field is created that causes the armature to move, which in turn opens or closes the circuit, depending on the state of the power. The contacts provide an interface between the coil and the surrounding circuits, allowing the relay to control current flow.The RR3PA-UAC24V features a dual-coil latching design. This relay utilizes two individually controlled coil systems to provide a higher level of reliability and protection. The two coils are connected in series to maintain a low power consumption level while providing the necessary current interruption. When power is applied to one of the coils, an energized electromagnet moves the armature to open or close the contacts and complete the circuit. When the power is removed, the armature remains in its current position due to the built-in latch.The RR3PA-UAC24V has a slim body design and a small footprint, allowing it to fit into tight spaces. The relay also offers a wide variety of contact configurations, allowing it to be used in a variety of applications. The relay offers high switching capacity, with a maximum current interruption of up to 20A at rated voltage. The relay is also designed to operate reliably in temperatures ranging from -40°C to +105°C.The RR3PA-UAC24V is made with high-quality materials that comply with UL94V-0 flammability and RoHS directives, as well as MIL-STD-202F and JEDEC standards. The relay also features a gold-plated bifurcated contact that ensures reliable contact over time and helps to reduce contact erosion. The contact configuration also includes an inhibit terminal, allowing it to be used in applications that require precise control over the contact’s switching behavior.In summary, the OMRON RR3PA-UAC24V is ideal for automotive and other automotive-related applications. It offers a high level of reliability and protection, with a wide range of contact configurations and a high current interruption capacity. The slim body design and the gold-plated bifurcated contact ensure reliable operation over time. Its low power consumption and large current interruption capacity make it a great choice for applications that require precise control over the contact’s switching behavior.

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