Product Description:

The 16.F1.210-3489 is a three-phase frequency converter manufactured by KEB within the F1 Combivert Frequency Converters series. Designed for closed-loop speed and torque control of induction motors, the unit interfaces between the mains supply and a 400-volt class machine circuit. By modulating output frequency and voltage, it allows conveyors, pumps, and other industrial drives to match process demand while reducing energy consumption and mechanical stress. Closed-loop regulation also helps the drive respond to changing load conditions and maintain stable motor behavior during acceleration and deceleration.

The converter is suited for power networks in the 400 V voltage class and accepts 50/60 Hz utility input across three phases. An internal braking transistor dissipates regenerated energy without requiring an external chopper. The switching devices operate at 16 kHz, which helps limit audible noise and smooth the motor current waveform. Under nominal conditions, the inverter delivers 33 A of output current, corresponding to 23 kVA of apparent power at full modulation. Upstream wiring is protected with a 50 A mains fuse, while the control electronics draw no more than 250 mA from the auxiliary supply. Phase-to-earth voltage is capped at 300 V, and 10 mm² conductors are recommended to help control voltage drop during operation.

The enclosure has an IP20 rating, so the converter should be installed inside a cabinet when dust or moisture may be present. Continuous output up to 15 kW is supported when ambient humidity remains below 90% and installation altitude does not exceed 3000 m. Above that height, reduced air density lowers cooling effectiveness and output derating becomes necessary. Heat sinking and cable strain relief must also account for the unit mass of 45 kg, which calls for solid panel support and careful routing of connected conductors. Adequate panel ventilation helps the converter maintain a stable internal temperature during continuous operation.