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The Marathon 670-3/4ST-8 is a three-phase, totally enclosed fan-cooled (TEFC) electric motor. It has a Class F insulation system, an 8-pole design, and a rated output of 7.5 horsepower. It has an open drip-proof (ODP) enclosure and an ambient temperature of 40°C, and it has three-phase, full voltage starting with manual reset thermal overload protection. The motor features a stainless steel shaft, ball bearings, and is designed for use in applications that require direct connection to power and are parallel shunt wound.