This document provides specifications for the Nippon Pulse Synchronous Motors models PTM-24H and PTM-24HG. The PTM-24H is a synchronous motor with a rated voltage of 24/100/117/200V, maximum torque of 22/21.5 mN·m, and weight of 160g. The PTM-24HG is a geared version of the PTM-24H with higher torque output and a weight of 200g. Dimensional drawings and additional details are given for both motor models.