RR2BA-ULAC120V

Turn On Voltage (Max):	96 VAC
Coil Resistance:	2.1 kOhms
Coil Power:	--
Contact Material:	Silver (Ag)
Operating Temperature:	-25°C ~ 40°C
Termination Style:	Plug In, Quick Connect - 0.187" (4.7mm)
Mounting Type:	Socketable
Features:	Neon Indicator
Release Time:	25ms
Operate Time:	25ms
Turn Off Voltage (Min):	36 VAC
Series:	RR
Switching Voltage:	240VAC, 30VDC - Max
Contact Rating (Current):	10A
Contact Form:	DPDT (2 Form C)
Coil Voltage:	120VAC
Coil Current:	20.5mA
Coil Type:	Non Latching
Relay Type:	General Purpose
Part Status:	Active
Packaging:	Bulk

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Power Relays Over 2 Amps: RR2BA-ULAC120V Application Field and Working PrincipleRR2BA-ULAC120V is a type of electric relay commonly used in modern HVAC systems, and has a wide range of applications in household, commercial, and industrial engineering. This relay is a two-pole, zero-cross type relay, providing reliable and consistent switching performance with minimal risk of sparking at the contact points. This type of relay is typically used for power, lighting, and signaling applications that typically require a reliable, fast switching function. With its low trigger current, this relay is ideal for switching loads up to 220V and 16A, and is often found in home safety wiring systems. In terms of working principle, RR2BA-ULAC120V relays use a coil to open or close connections between two contacts. When a low-current signal is applied to the coil, the contacts are either opened or closed, depending on the polarity of the coil. This is known as an open-type gate because the contacts remain open even when no current is present in the coil. By using the same principle, this relay also acts as a closed-type gate, working in the opposite manner and closing the contacts when a current is applied to the coil.RR2BA-ULAC120V relays use a high-grade, copper alloy contact material, ensuring low contact resistance during switching operations. This material is corrosion resistant and minimizes electrical arcing at the contacts. Furthermore, this type of relay is also equipped with a surge-absorbent device, preventing voltage spiking and ensuring the longevity of the coil and contact. The RR2BA-ULAC120V relay is popular in HVAC systems due to its manipulation of the ambient temperature within a building. This is achieved by combining two different temperatures (temperature differences) to either raise the ambient temperature in the building, or by lowering the temperature, creating a cooling effect. In addition, the power in the RR2BA-ULAC120V relay can also be used to activate another device, such as an alarm. It is now common to link the RR2BA-ULAC120V relay to a smoke detector to sound the alarm when smoke is detected in the atmosphere. This helps save valuable time and ensures prompt evacuation procedures in the event of an emergency. The most important benefit of using the RR2BA-ULAC120V relay is its low-cost construction, making it an economical solution for many HVAC system applications. Its efficient design helps reduce energy consumption, making it appealing to users who are looking to cut down on their monthly energy bills. These relays are also extremely reliable, providing uninterrupted operation for years without needing maintenance or repair. The system\'s electronic components are well-insulated and protected against weather conditions. This helps the system withstand extreme temperatures and sudden changes in power without quitting or failing. The RR2BA-ULAC120V relay has a quick response time, typically 5ms, for switching operations. This is especially useful in HVAC systems where sudden temperature changes may require a rapid response of the system. By using this type of relay, it is easy to adjust the temperature as needed without wasting energy.Finally, the RR2BA-ULAC120V relay is designed to provide a long life of service, with a recommended switching life of up to 100,000 times. This makes it a great long-term investment for any HVAC system, as it can potentially save both time and money.Overall, the RR2BA-ULAC120V power relay is an affordable and reliable solution for a wide range of applications. Its low cost design, long life, and simple operation are just some of the reasons why it is commonly used in modern HVAC systems. If you are looking for a reliable and energy-efficient means of controlling the temperature of your home or office space, this is a great option.

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