Autonics SR3-4475 is a 3-phase solid state relay with a maximum current rating of 75A. The relay is designed to be used with either 90VAC-240VAC or 48VAC-480VAC control voltage range, making it a great option for applications with a wide range of available power sources. The SR3-4475 offers fast switching times, low-noise operation, and low on-resistance, making it ideal for applications where fast and reliable switching is required. Additionally, the relay is outfitted with protection features such as over-current, over-voltage, over-temp, and thermal shutdown for improved safety and reliability, ensuring that the device can handle a wide variety of environments and conditions.