28.Z1.F04-1010 KEB
Wake Industrial LLC is not an authorized distributor of this product.
The KEB 28.Z1.F04-1010 is part of the Z1 Sine Wave EMC Filters series and has a matched drive power of 160 kW with a voltage class of 400 V. This filter weighs 40 kg, has a rated current of 370 A, and supports a maximum output frequency of 100 Hz. It features a copper weight of 10.3 kg and a terminal size of M10 for 150 mm² connections.
Internal Product Review
The 28.Z1.F04-1010 is a KEB Z1 sine wave EMC filter designed for high-power drive systems, with a 400 V class and 370 A rated current. Matched drive power of 160 kW and switching frequency of 2 kHz make this filter an excellent fit for demanding inverter applications.
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Product Description:
The 28.Z1.F04-1010 is a three-phase sine wave EMC filter manufactured by KEB and supplied within the Z1 Sine Wave EMC Filters series. Installed downstream of a variable-frequency drive, the filter reshapes the inverter’s switching waveform to a near-sinusoid, helping reduce electromagnetic interference, limit dv/dt stress on coil insulation, and permit longer motor cables in automation cells. By lowering conducted emissions, it assists machines in meeting plant-level EMC requirements while protecting connected induction or permanent-magnet motors.
Its matched drive rating reaches 160 kW, indicating the maximum motor power the filter can pair with without exceeding thermal limits. To support this load, the device passes a continuous phase current of 370 A at the specified ambient conditions. It is designed for systems operating on a 400 V class DC link, so the insulation clearances and conductor spacing correspond to typical 380–415 V mains installations. The internal laminations are optimized for inverter carriers up to 2 kHz, meaning core losses remain controlled when the drive switches inside that frequency band. With an inductance of 0.03 mH, the filter supplies sufficient reactance to attenuate high-frequency ripple while adding only moderate voltage drop at fundamental frequency. The assembly stands 151 mm tall and contains 10.3 kg of copper windings to keep saturation margins wide.
The outlet spectrum remains linear up to 100 Hz, so standard 50 or 60 Hz motor speeds pass without additional phase shift. Under continuous duty, the magnetic core dissipates 450 W, a figure that guides enclosure ventilation and heat-sink sizing. Power lugs accept cables through an M10 (150 mm²) stud connection, allowing short, low-impedance links to the inverter and motor terminals. The overall unit mass is 40 kg, an important consideration for panel mounting hardware and vibration supports.
