35.F5.A1P-B0-D KEB
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The KEB 35.F5.A1P-B0-D is part of the F5 Combivert Axis Drives series and features both open- and closed-loop operation with a standard control board and IP20 enclosure. It supports asynchronous and synchronous motors, delivers a maximum current of 763 A, and has a power rating of 560 kW. The drive accepts a 3-phase 660/690 V AC supply, includes an output choke and braking transistor, and features both earth fault and short-circuit monitoring.
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Product Description:
The 35.F5.A1P-B0-D is an axis-drive inverter manufactured by KEB for the F5 Combivert Axis Drives series. It forms the power stage in high-capacity automation cells, converting a 660/690 V AC three-phase supply into a regulated output suited to both asynchronous and synchronous motors. By combining vector control with encoder feedback, the unit supports open-loop speed regulation and closed-loop positioning in material-handling, test-stand, and process-line applications.
The standard control board provides auxiliary signal outputs using TTL logic, which matches the incremental TTL encoder interface on the Sub-D feedback port. Continuous power reaches 560 kW at a rated current of 620 A and a rated switching frequency of 2 kHz. The cabinet and cooling system must be able to manage the resulting thermal load. An IP20 enclosure allows installation in ventilated electrical rooms while protecting against accidental contact with live parts. The design requires a mains choke on the line side and includes an output choke, limiting harmonic content on the grid and motor leads. Integrated ground-fault and short-circuit monitors provide immediate shutdown if insulation breakdown or phase faults occur.
For short bursts, the drive can supply up to 763 A, and the gating pattern can be increased to a maximum switching frequency of 4 kHz when finer current resolution is needed. An onboard braking transistor redirects regenerated energy into an external resistor to prevent DC-link overvoltage during deceleration. The housing style coded 2 × P arranges power terminals on two parallel planes, simplifying busbar routing in multi-axis cabinets. Open-loop and closed-loop control modes support different motor applications without requiring separate inverter designs. Encoder feedback enables precise position control, while vector control provides regulated motor torque across changing load conditions. The protective functions monitor the power stage during operation and disconnect the output when a ground fault or short circuit is detected.
