The Sanyo Denki SH1421-5211P motor is a DC, two-phase, bipolar, stepper motor with a rated voltage of 24V and a step angle of 0.9°. The motor produces a torque of 0.23Nm with a rated current of 2A. It can be used in applications such as robotics, CNC, and automation due to its high precision. The motor also has low noise, low vibration, and low power consumption, making it ideal for use in quiet and energy-efficient applications.