34.F5.A1P-90-D KEB
Wake Industrial LLC is not an authorized distributor of this product.
The KEB 34.F5.A1P-90-D is part of the F5 Combivert Axis Drives series and features a rated power of 500 kW and rated current of 890 Amps. It operates with 3-phase 400 V AC input and requires both mains and output chokes. The drive has an incremental TTL encoder interface and comes equipped with a braking transistor.
Internal Product Review
The 34.F5.A1P-90-D is a KEB Combivert F5 axis drive built for demanding motion systems, with 500 kW rated power and 890 A rated current. A 3-phase 400 V AC input supports solid integration in industrial power environments, and the incremental TTL encoder interface helps maintain precise feedback. Rated for high-capacity axis service, the drive stands out as a strong choice for heavy industrial applications.
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Product Description:
The 34.F5.A1P-90-D is an axis inverter produced by KEB for the F5 Combivert Axis Drives series. As a high-power member of this platform, the unit converts three-phase mains power into a controlled electrical output for synchronous or induction motors used in heavy industrial automation. This function allows the inverter to coordinate motion on multi-axis machinery.
This drive is designed for a three-phase supply at 400 V AC and can deliver continuous shaft power of 500 kW while supplying a rated motor current of 890 A. During short overload events, it tolerates up to 1112 A without tripping. The switching devices operate at a nominal frequency of 2 kHz, balancing dynamic response with the thermal load on the internal IGBTs. A standard control board governs the torque and speed loops and accepts incremental feedback through an encoder interface that supports TTL-level signals on a D-sub connector. The same logic level is used for the auxiliary signal output, providing a dedicated TTL pulse stream to external counters. A braking transistor is fitted so regenerated energy can be dissipated through an external resistor. A mains choke is mandatory to reduce the line-side harmonics generated by the converter. The housing follows the 2 × P format, providing additional panel depth for large bus capacitors and busbars.
For installations that experience wider utility voltage fluctuations, the device allows input voltages as low as 305 V and as high as 528 V. Beyond these limits, the controller disables firing to protect the power components. The maximum switching frequency rises to 4 kHz when lower current is acceptable, providing finer torque control on sensitive axes. Compliance with EMC class C2 is achieved when the required output choke is fitted. This choke completes the filter path between the inverter and motor terminals and keeps conducted emissions within industrial limits.
