20.F5.CDR-960A KEB
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The KEB 20.F5.CDR-960A is part of the F5 Combivert Axis Drives series and has a general maximum motor power of 50 horsepower. This drive supports a three-phase input with a rated current of 83 Amps at 400 VAC and provides an output rated current of 75 Amps with an output rated power of 52 kVA. It features an integrated filter, braking transistor, and uses a heat sink cooling type, with an IP20 protection rating.
Internal Product Review
The 20.F5.CDR-960A is a KEB Combivert F5 axis drive designed for 3-phase 400 VAC input and reliable industrial motion control. Heat sink cooling and an integrated filter support clean panel integration and stable operating performance. A 75 A output rating and 50 HP motor capability make the unit an excellent fit for demanding axis applications.
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Product Description:
The 20.F5.CDR-960A is an AC axis inverter produced by KEB and supplied within the F5 Combivert Axis Drives series. It modulates speed and torque for induction or permanent-magnet machines up to 50 horsepower, giving automated lines closed-loop motion control and coordinated positioning. An internal braking transistor handles regenerative energy, while a dedicated heat-sink cooler removes switching heat so the drive can be mounted in a control cabinet without forced airflow.
On the supply side, the drive accepts a three-phase mains connection at 400 VAC and draws a continuous 83 A under rated load. Its IGBT bridge operates at 8 kHz, providing fine current resolution and reduced motor acoustic noise. The power stage outputs 75 A of RMS current and supplies up to 52 kVA of apparent power, covering constant-torque requirements across the motor’s speed range. An integrated EMC filter limits conducted emissions to surrounding equipment, and the housed braking transistor diverts excess DC-link energy into an external resistor during quick deceleration or overhauling loads.
System protection relies on an overcurrent trip that activates at 135 A, while incoming conductors are safeguarded by a maximum 100 A main fuse. For short overloads, the inverter can deliver up to 112 A, helping machines overcome high static friction without component stress. The enclosure carries an IP20 rating, so it must be installed in a sealed cabinet while still offering service access through its R-form housing. Passive heat-sink cooling is verified for site elevations to 2000 m, and the compact inverter size code 20 maintains a uniform footprint across the Combivert family. With the braking circuit active, the unit can rapidly slow the connected motor during deceleration without extra dynamic modules.
