The Marathon 605-JJ-06PSB is a type of electric motor. This motor is designed for use in a wide variety of commercial, industrial, and institutional applications. It is a single-phase, totally-enclosed fan-cooled (TEFC) motor, meaning that a fan is built into the housing to cool the motor during operation. The 605-JJ-06PSB features a service factor of 1.15, meaning that it can handle higher loads than motors with a lower service factor. The maximum horsepower of the motor is 5.5, while the maximum operating speed is 3450 RPM. The motor also features a rigid base and stainless steel nameplate and housing, making it suitable for use in corrosive environments. It has a 1/2-inch shaft diameter, and is UL recognized and CSA certified.