RA4890-D12

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Solid state relays have been around for decades. They are a versatile variety of relays that provide a low-cost, reliable and efficient alternative to traditional mechanical relay switching. The RA4890-D12 is a solid state relay designed to provide switching for a variety of applications, such as digital logic, industrial automation, lighting control, and robotics. The RA4890-D12 offers a variety of different features and configurations that make it suitable for a wide range of applications, including industrial, commercial, and residential.

The RA4890-D12 is a zero-crossing, bidirectional solid state relay. It is a two-terminal device that consists of an opto-isolated input to control the output switch and a zero-crossing output switch. The relay is activated when the input voltage reaches a certain threshold, typically in the range of 6-24V DC or 3-30V AC. The zero-crossing switch ensures that the relay is triggered only when the output voltage reaches 0V, thus providing noise-free switching operation.

The RA4890-D12 also features a number of safety and protection features that make it suitable for a variety of industrial applications. It has an in-rush current limit of up to 30A, which helps protect against short-circuits and provide overload protection. It also has a built-in flyback diode, which allows the output to return to its off-state if the input voltage drops. The RA4890-D12 also features a soft-start function, which slowly ramps up the output voltage in order to reduce start-up stress on the relay. The output can also be over-voltage and over-temperature protected to ensure reliable operation in extreme conditions.

The RA4890-D12 is a versatile and reliable solid state relay, which makes it an ideal choice for a variety of applications, such as motor control, audio switching, machine control, and many more. Its wide range of features make it suitable for a variety of applications, from industrial and commercial to residential. It is easy to install and provides a reliable, efficient, and low-cost alternative to traditional mechanical relays.

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