Product Description:

The MIV08DB-1-B3 inverter unit is produced by Okuma as part of the MIV Servo Drives series. As an Okuma inverter unit, it converts DC link energy into controlled three-phase output for BL and PREX servo motors used in CNC machining centers and automated production lines. By closing the torque and speed loop on feedback from the connected motor, it provides the precise axis positioning demanded in industrial automation.

The unit delivers a rated power output of 7.5 kW, allowing it to regulate medium-sized axes without derating. For users more familiar with imperial ratings, this corresponds to 10 hp. Thermal management is handled by an external fan that draws cabinet air through the heat sink to keep semiconductor temperature within limits during continuous acceleration cycles. Mechanical dimensions also influence panel layout; the front width of 100 mm and chassis depth of 325 mm enable dense side-by-side mounting while preserving clearance behind the boards. Despite its power level, the inverter weighs only 7.3 kg, which helps limit load on slide-out racks.

System supervision and parameter access are performed by a 7-segment LED display positioned on the L side of the housing, so diagnostics remain visible even when multiple drives are grouped. Internally, the control logic is carried on an ICB1 inverter control board that processes PWM commands and motor feedback arriving through the D02-M15SAG-13L9 connector. The mating 1-179276-2 AC connector handles mains wiring, and an external brake resistor is not required because regenerative energy is dissipated within the drive’s own circuitry. Overall height is 380 mm, matching the profile of adjacent MIV modules to simplify bus bar alignment. Compatibility is limited to BL and PREX motors, and because cooling air enters from the cabinet front, the specified left-hand display orientation keeps airflow unobstructed.