07.B6.A2A-6900 KEB
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The KEB 07.B6.A2A-6900 is a frequency inverter from the B6 Combivert Frequency Inverters series. It features a 1-phase 230V AC input power configuration, a heat sink cooling system, and supports a maximum rated motor power of 0.75 kW. This inverter offers an output rated current of 4 amps, output frequency range of 0 to 400 Hz, and includes an internal filter as a standard accessory.
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Product Description:
The 07.B6.A2A-6900 is a frequency inverter produced by KEB within the B6 Combivert Frequency Inverters series. It converts a fixed mains supply into a regulated three-phase output, enabling precise speed and torque control of small induction or permanent-magnet motors used in automated conveyors, pumps, and general material-handling lines. By varying voltage and frequency simultaneously, the unit supplies the flexibility required for modern machine sequences while occupying minimal panel space.
The inverter accepts a 1-phase 230 V AC mains input and, through its DC link, synthesizes a three-phase output that can sweep from 0–400 Hz. At the nominal operating point, it delivers 4 A of current and 1.6 kVA of apparent power to the connected motor. This rating supports motors up to 0.75 kW for light-duty motion tasks. Frame size code 07 fixes the mechanical footprint, and housing type A aligns with standard B6 mounting accessories. A Standard (PNP) control interface simplifies I/O wiring to PLCs, while heat-sink cooling removes semiconductor losses without forced ventilation. The internal EMC filter reduces conducted emissions, and stored parameter sets include carrier frequency, ramp profiles, and trip responses.
During continuous duty, the leakage current is limited to 6 mA, keeping residual-current devices within their tripping margin under normal operation. The power stage accommodates brief overloads up to 216 %, and a short-time current ceiling of 180 % supplies extra torque during acceleration spikes. Carrier modulation is factory set to 4 kHz, balancing audible noise against thermal stress on the IGBTs. Across the full frequency span, the drive maintains an output of 3 × 0…UN V so that motor flux remains linear with commanded speed.
