14.F1.R10-3489 KEB
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The KEB 14.F1.R10-3489 is a frequency converter from the F1 Combivert Frequency Converters series and weighs 21 kilograms. It has a rated power of 11.0 kVA, a rated current of 16.5 Amps, and uses a 400 Volt voltage class. The unit includes a built-in braking transistor, features IP20 protection, and supports three input phases.
Internal Product Review
The 14.F1.R10-3489 is a KEB F1 Combivert frequency converter designed for 400 V systems and rated at 16.5 A. A built-in braking transistor and 16 kHz carrier frequency support responsive drive control and smooth operation in demanding industrial installations. A strong option for dependable motor management up to 7.5 kW.
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Product Description:
The 14.F1.R10-3489 is a frequency converter produced by KEB within the F1 Combivert Frequency Converters series. Designed for cabinet installation, the unit modulates the output frequency supplied to AC motors so production lines can vary speed without changing mechanical drive ratios. By processing three-phase input power through its power electronics, the converter delivers controlled voltage and frequency profiles that improve torque delivery in conveyors, pumps, and material-handling cells.
At the hardware level, the converter contains a built-in braking transistor that routes excess regenerative energy to an external resistor and helps prevent DC-bus overvoltage during fast deceleration cycles. The power stage uses a carrier frequency of 16 kHz, a switching rate selected to limit motor acoustic noise while keeping semiconductor losses manageable. Input protection calls for a maximum supply fuse of 25 A, and feeder cables must have a minimum cross-section of 4 mm² to meet thermal limits. When connected to motors that require up to 7.5 kW of mechanical output, the integrated GTR7 power circuit in the K-Version topology maintains steady flux under load swings. An enclosure rating of IP20 provides finger-safe vent openings but no protection against moisture, so the device is intended for dry control panels.
The converter delivers a continuous output current of 16.5 A and a base apparent power of 11.0 kVA. These ratings correspond to a power loss of 550 W during operation and indicate the unit's thermal operating range. It operates on the 400 V voltage class across three input phases, and control wiring is coordinated through Version K and the option headers. The assembled drive weighs 21 kg, so the panel structure and mounting hardware must support that load during installation and operation.
