09.F0.R21-0000 KEB
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The KEB 09.F0.R21-0000 is part of the F0 Combivert Control Cabinets series and is rated for a maximum motor power of 1.5 kW with a rated output current of 7.0 Amps. The cabinet has a protection rating of IP20 and supports a maximum output frequency of 408 Hz. It is designed to operate up to a mounting altitude of 3000 meters and weighs 3 kilograms.
Internal Product Review
The 09.F0.R21-0000 is a KEB F0 Combivert control cabinet with IP20 protection and a rated output current of 7.0 A. Single-phase input and a maximum output frequency of 408 Hz support efficient drive control in light industrial applications. A strong choice for compact cabinet installations, highlighted by a 1.5 kW maximum motor power.
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Product Description:
The 09.F0.R21-0000 is an inverter cabinet built by KEB as part of the F0 Combivert Control Cabinets series. Intended for single-motor installations, the unit integrates power electronics, protection components, and control logic in one rack to drive induction or synchronous machines on packaging lines, conveyors, or process equipment. By converting a fixed single-phase mains supply into a variable-frequency output, it provides precise speed regulation and torque control for automated motion sequences. Its cabinet format also keeps the drive components together in a single enclosure, which supports organized installation in industrial control panels.
The cabinet delivers a rated output current of 7.0 A, establishing the continuous load it can support without derating. Corresponding apparent power is 2.8 kVA, allowing the drive to energize machines that present moderate reactive and real power demands. For dynamic duty cycles, the inverter can raise output frequency up to 408 Hz, enabling high-speed operation of two-pole motors. Thermal loss measured at a 4 kHz switching rate is limited to 70 W, so enclosure temperatures stay within design limits when appropriate airflow is provided. Supply-side protection uses a mains fuse rated at 20 A, isolating the controller from upstream faults on the single-phase line. This combination of output and protection values supports stable motor control across a broad range of operating conditions.
The housing carries an IP20 rating, so it must be mounted inside a closed panel with at least 50 mm of side clearance and 100 mm above and below to maintain convection paths. Maximum motor power is 1.5 kW, and total altitude capability reaches 3000 m before output derating applies. The design tolerates ambient humidity up to 95 %, and the DC link discharges within 5 minutes after shutdown. Circuit integrity is further safeguarded by a 0.4 A time-lag control fuse and a 16 A intermediate fuse, while the 3 kg rack weight simplifies placement on DIN rails or plate mounts. These installation limits help the unit operate reliably when it is placed in a properly ventilated enclosure.
