12.56.210-B349 KEB
Wake Industrial LLC is not an authorized distributor of this product.
The KEB 12.56.210-B349 belongs to the F5 Combivert Axis Drives series and features a 5 horsepower max motor power with a rated input voltage of 400 V. It provides a rated output current of 9.5 A, includes a braking transistor accessory, and uses a TTL auxiliary signal output type. The unit comes with IP20 protection and operates with three mains phases.
Internal Product Review
The 12.56.210-B349 is a KEB F5 Combivert axis drive built for 400 V, 3-phase applications. A rated output current of 9.5 A with 6.6 kVA output gives the unit confident drive capacity for precise axis control. The UVW encoder interface and TTL auxiliary signal output make signal handling especially practical for motion systems.
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Product Description:
The 12.56.210-B349 axis drive is produced by KEB and belongs to the F5 Combivert Axis Drives series. It functions as a three-phase inverter that converts fixed-frequency mains power into variable voltage and frequency for precise speed and torque regulation. Intended for individual motion axes, the drive supports motors up to 5 HP, making it suitable for conveyors, indexing tables, and similar automation tasks that require continuous control rather than mechanical throttling.
The drive connects to industrial mains at 400 V and draws a rated line current of 13 A. It provides a continuous output current of 9.5 A, yielding an apparent power capability of 6.6 kVA. The IP20 enclosure requires installation inside a control cabinet to protect the unit from dust, moisture, and accidental contact. Inverter size code 12 indicates the mechanical footprint and available cooling surface, while an integrated braking transistor dissipates regenerated energy. A UVW encoder interface handles position feedback, and a TTL auxiliary output supplies logic-level signals to supervisory electronics. The unit is designed for a three-phase mains supply and accepts a maximum shielded motor cable length of 100 m. It can be paired with 2.5 mm² motor conductors without exceeding the permissible voltage drop.
The heat sink may reach up to 90 °C before output derating is required, and branch-circuit protection supports a maximum main fuse of 20 A. During acceleration, the inverter can supply a short-term current of 17 A, while an overcurrent trip activates at 21 A to protect the power components. Continuous full-load control remains available down to 6 Hz, permitting stable low-speed performance for positioning or tensioning applications. These operating limits should be considered when adding cabinet cooling or planning duty cycles with frequent starts, extended dwell periods, or prolonged low-speed operation.
