Marathon 812-JJ-07PSB is an electric motor designed for use in higher speed applications. It is a fractional horsepower motor with a 1/25, 1/30, or 1/50 horsepower rating, depending on the size and type of application. The motor is shaft-mounted and has a Speed Increaser Gear (SIG) for increasing speed and torque for better performance. The 812-JJ-07PSB is self-starting, and it runs quieter and cooler than other motors, making it an effective and efficient choice for many industrial applications. It has a voltage rating of 115, 208, or 240V and a frequency rating of 50 or 60 Hz. It has a permanent magnet rotor, and its body is made from high-grade steel for increased durability.