The SSR-12548RD3B with Relay is a solid state relay manufactured by QLT Power specifically designed for industrial and commercial applications. It has a control voltage range of 3V–32VDC, a maximum current of 125A, and an operational voltage range of 44–480VAC. The series of this series-type relay is SSR-R, with built-in protection against short circuit and over-current. It is also designed to resist shock, vibration, and corrosion and has a wide range of temperatures. The SSR-12548RD3B is ideal for DC-DC, AC-DC, and AC-AC power conversion, motor control, and more.