The SM34165MT-IP is a NEMA 34 size SmartMotor™ is an entire servo control system built inside of a servo motor. This motor includes an integrated motor, controller, amplifier, encoder and communications bus. SmartMotors™ are true servo motors, which eliminates issues like error accumulation and missing steps found in traditional stepper motors.
 
The IP65 rated SM34165MT-IP is protected from all angles against jets of water and dust or dirt particles that may damage other servos. The complete barrier protects against dust and other harmful particles that shorten the life of your motor.