SRF1280A-4R7Y

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Arrays, Signal Transformers: SRF1280A-4R7Y Application Field and Working Principle

When it comes to array systems and signal transformers, SRF1280A-4R7Y (also known by its BOM ID, SRF1280) is the name of the game. This transformer is designed for the marine and off-highway industries, featuring a high dielectric strength, outstanding temperature performance, and low resistance. Its rugged construction makes it ideal for use in harsh environments, and its UL listed design helps to ensure that it meets safety requirements for specific devices and applications.

The SRF1280A-4R7Y is a 4-unit array system that consists of four basic elements: a three-phase transformer, two ferroresonant transformers, and a bias capacitor. It is designed for isolation, voltage conversion, and phase control of AC loads, with a protection of 500mA. It has a single ground socket and multiple mounting options.

When it comes to the transformer itself, the SRF1280A-4R7Y is a three-phase unit with a nominal output voltage of 1000v and a nominal isolation voltage of 5000v. It is recommended for continuous operation with a 60 Hz frequency and a temperature range between -30°C (-22°F) and +105°C (+221°F). It is made of steel for superior strength and durability and has a UL Recognized Insulation System.

The two ferroresonant transformers of the array system are designed for DC supply voltage between -2.5v and +112.5v. They are mainly used for voltage regulation and phase control. To ensure maximum safety, these transformers are corona-proof and have a self-healing property. The bias capacitor supplies DC to the ferroresonant transformers and connects them to the ground.

As for the functionality of the system, the SRF1280A-4R7Y is designed specifically for applications that require high voltage isolation, such as: static loads, AC servo-motors, motor controllers, motor drive amplifiers, motor variable frequency drives, and a variety of other industrial applications. It meets all the UL and IEC safety requirements for these devices. The output voltage can be adjusted from zero to 1000v, and the phase shift can be adjusted from 0° to +50° in order to ensure the optimal performance of the device.

The SRF1280A-4R7Y is a high-performance motor drive device that provides an extremely reliable, isolated, and robust connection between the load and the power system. Its excellent temperature performance ensures that it can operate effectively in a wide range of temperatures and environmental conditions. With its UL Rated insulation system, it meets the highest safety requirements for AC loads, making it the ideal choice for a variety of industrial equipment and motor drive applications.

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