14.F4.F1G-4I02 KEB
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The KEB 14.F4.F1G-4I02 is part of the F4 Combivert Frequency Inverters series and provides a maximum rated motor power of 7.5 kW with an output nominal current of 16.5 A. This inverter features 2 analog outputs at 10-bit resolution, 6 programmable digital inputs, and includes a brake transistor. It also offers support for 2 differential voltage inputs and provides 1 programmable relay output and 2 programmable transistor outputs.
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Product Description:
The 14.F4.F1G-4I02 frequency inverter is built by KEB and belongs to the F4 Combivert Frequency Inverters series. As a variable-speed drive, it converts fixed AC power into a modulated output that lets automation controllers regulate induction or permanent-magnet motors throughout a machine cycle. By adjusting voltage and frequency, the unit supports closed-loop motion tasks, energy-optimized pump control, and conveyor speed matching in industrial plants.
On the power side, the inverter draws a nominal input current of 18.1 A, so cabling and protective devices must sustain that continuous load. A maximum line fuse rating of 25 A protects the supply against internal faults, and the drive can energize motors up to 7.5 kW. It delivers an output nominal current of 16.5 A and an apparent power of 11 kVA at the terminals. Built-in DC link circuitry includes dynamic braking, and a separate 24 V supply keeps the control electronics active when the power stage is de-energized. Two differential voltage inputs accept speed reference signals, and dual encoder feedback supports closed-loop position control during precision ramps.
Machine-level connectivity is handled through 6 programmable digital inputs, two analog outputs with 10-bit resolution, two voltage outputs, and a pair of programmable transistor outputs for fast switching signals. A single programmable relay output can switch auxiliary contactors, and the available feedback interfaces accept incremental or Hall signals. An integrated brake transistor dissipates regenerated energy without an external chopper resistor. Installation wiring stays compact because motor, line, and DC bus conductors share terminals sized for 4 mm² copper. Separate supply support keeps I/O active for fieldbus diagnostics even when the main inverter stage is off.
