The Allen-Bradley 1391B-AA45 is a pulse width modulated AC servo controller designed for single-axis applications, offering exceptional motor control with precise torque and speed regulation. It delivers a nominal BUS output voltage of 300 Volts AC and maintains a continuous current of 45 Amps, peaking at 90 Amps, with a robust power output of 15kW, surging to 30kW. Featuring a compact design at 19.0 x 6.2 x 10.64 inches and weighing 34 pounds, it boasts a maximum operational temperature range from 32 to 140 degrees Fahrenheit and optimal functionality up to 3300 feet, making it ideal for demanding industrial environments.