13.F4.S3D-3410 KEB
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The KEB 13.F4.S3D-3410 is a frequency inverter in the F4 Combivert Frequency Inverters series. It features a 3-phase input, an integrated filter, and a maximum rated motor power of 5.5 kW. The unit supports output nominal power of 8.3 kVA with a nominal output current of 12 Amps and operates in the 400 V-Class supply voltage.
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Product Description:
The frequency inverter 13.F4.S3D-3410 is produced by KEB and belongs to the F4 Combivert Frequency Inverters series. It modulates AC power to regulate induction motor speed in automated machinery such as pumps, fans, and conveyors. By varying output frequency and voltage, the unit lets a PLC or standalone controller match motor torque to process demand. Its integrated braking transistor manages regenerated energy during rapid deceleration by directing it to an external braking resistor.
The inverter supports motors with an output of up to 5.5 kW, indicating the maximum continuous motor power supported by the drive. It is rated for the 400 V class, so its input stage is designed for industrial mains within that voltage range. Under nominal conditions, the converter draws 13.2 A from the line and can deliver an output current of 12 A to the motor terminals. An internal EMC filter suppresses conducted electrical noise from the power conversion stage. The switching devices operate at 2 kHz, balancing motor noise with semiconductor heat dissipation. A standard control topology manages torque and magnetic flux without specialized firmware. The D-type housing provides space for the filter components while maintaining compact overall dimensions for cabinet installation.
The output stage has an apparent power rating of 8.3 kVA and can briefly supply 21.6 A during acceleration before thermal limits intervene. Protection circuits trip at 26.4 A, helping prevent damage to the power devices during motor stalls or external faults. Power enters through a three-phase terminal set suitable for the supported industrial supply. When an overhauling load feeds energy back into the inverter, the braking transistor switches an external resistor across the DC bus to control the rising voltage. The standard control scheme supports common variable-speed applications without requiring a specialized control configuration. The enclosure can be installed in control cabinets that use compatible KEB Combivert wiring and ventilation arrangements.
