Thông số kỹ thuật servo motor Allen bradley: This Allen Bradley (AB) 3000 rpm low inertia smart motor is a 165 mm frame motor. This synchronous servo has a braking feature built into the motor for applications that require a brake, a single-turn absolute encoder built in, and a stack length of 6 in. This brushless servo motor comes with a shaft key built into the shaft. In addition, it can be connected by bayonet style connectors that are built onto this high quality motor.