599-2021-3-NME is a Marathon electric motor part and consists of several different components. It is a three-phase induction motor with a Class F insulation system, designed for continuous duty and featuring a NEMA 56C or 56H frame. The part has a voltage rating of 208-230/460 VAC, a horsepower rating of 5-7.5 HP, a full-load current rating of 13-17.4 amperes, and a base speed of 1,725 RPM. The motor has an open drip proof construction, with a single-bearing, self-ventilated design, a laminated steel frame, and a squirrel cage rotor. The motor is designed for industrial duty and is suitable for a wide variety of applications.