13.F4.C1E-3480 KEB
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The KEB 13.F4.C1E-3480 is a frequency inverter from the F4 Combivert Frequency Inverters series with an integrated brake transistor and a protection rating of IP20. It supports 3-phase AC input, a maximum rated motor power of 5.5 kW, and a nominal input current of 13.2 A. The inverter features a switching frequency of 16 kHz and operates within the 400 V voltage class.
Internal Product Review
The 13.F4.C1E-3480 is a KEB F4 Combivert frequency inverter built for 3-phase AC input in 400 V drive applications. An integrated brake transistor and 5.5 kW maximum rated motor power make this inverter a very capable choice for controlled deceleration and dependable industrial performance.
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Product Description:
The 13.F4.C1E-3480 frequency inverter is produced by KEB as part of the F4 Combivert Frequency Inverters series. Designed for cabinet installation in automated lines, the unit converts fixed mains input into a variable AC output so that connected motors can be accelerated, decelerated, or run at constant speed under closed-loop control. By modulating voltage and frequency, the drive supports precise positioning, conveyor pacing, and energy-efficient fan or pump regulation in industrial automation cells. This control method helps the connected motor respond smoothly to changing load conditions during normal operation.
The inverter accepts a three-phase AC supply in the 400 V class and draws a nominal line current of 13.2 A under rated loading. Its IGBT bridge provides up to 8.3 kVA of apparent power, producing 12 A of sinusoidal output for matched induction motors. This supports stable operation in applications that depend on repeatable motor behavior. Carrier modulation at 16 kHz reduces torque ripple and audible noise, which is useful for precision tooling stations. Electromagnetic emission and immunity conform to EN 61800-3 when shielded motor leads do not extend beyond 100 m. A dedicated voltage input monitors mains quality, and output derating tables reference the protection category so thermal limits are respected during continuous operation.
To manage stopping events, an integrated brake transistor channels regenerated energy into external resistors. A typical element value is 110 Ω, but duty-intensive cycles may use a minimum of 39 Ω without exceeding thermal thresholds. During deceleration, the chopper can absorb 21 A of continuous braking current and withstand 21.6 A for short intervals before overcurrent protection activates at 26.4 A. When paired with motors up to 5.5 kW, this braking path helps control returning energy during frequent speed changes and reduces stress on the DC bus. The enclosure meets IP20, so finger-safe barriers are present, but the drive must remain inside a control cabinet with adequate airflow.
