Embedded within rotors, Brother Gearmotors IPMax interior permanent magnet gearmotors run at specified frequency commands regardless of the load. The compact, synchronous motors can operate fanless up to 1hp and do not require encoders for sensor control. A variety of functions of the programmable I/O terminals may be changed according to external circuits or applications; RS485 is included as standard. IP65 rated, the motors are used for conveyors, fans, pumps, factory automation, material handling, packaging and food processing.