Horlick 60FC Model motor-generator sets consist of a 4-pole, 1800 RPM, induction motor and a 4-pole, 1800 RPM, synchronous generator mounted on a rigid steel base and connected via a flexible coupling. The output frequency is 60 Hz at no-load and approximately 59.2 Hz at full-load due to the slip of the induction motor. 60FC Model motor-generator sets provide a clean source of 60 Hz power that is isolated from the distribution system.