Here is some information about this motor:

Motor Type: The 1FT7105-5AF71-1DG1 is a permanent magnet synchronous motor (PMSM) or brushless servo motor. PMSMs offer high efficiency and excellent dynamic response, making them suitable for automation and motion control applications.

Frame Size: The "1FT" in the model number indicates the motor's frame size, which determines its physical dimensions and output power. The 1FT7105-5AF71-1DG1 belongs to the 1FT7 motor series and has a specific frame size.

Electrical Parameters: The "7105" in the model number represents the electrical specifications of the motor, such as the rated voltage and current.

Cooling Type: The "5AF71" refers to the motor's cooling type. In this case, the motor utilizes natural convection cooling. Siemens offers various cooling options to suit different application requirements.

Shaft Design: The motor features a keyed shaft design, where a key can be used to securely attach external components, such as couplings or pulleys.