Here are some key specifications and features of this motor:

Power Rating: The motor has a power rating of 3.8 kilow (kW), which indicates its maximum output power.

Voltage and Current Rating: The motor operates at a voltage of 400 volts (V) and has a current rating of 7.9 amperes (A).

Frame Size: The "1FK7" series refers to the motor frame size, which is 1FK7. Each frame size has specific physical dimensions and power ratings.

Design: This motor is a synchronous motor, which means it operates using a permanent magnet rotor and requires a servo drive system for control.