18.Z1.F04-1010 KEB
Wake Industrial LLC is not an authorized distributor of this product.
The KEB 18.Z1.F04-1010 is a sine wave EMC filter from the Z1 Sine Wave EMC Filters series. It features a nominal voltage rating of 3 x 400 VAC and handles a nominal current of 50 Amps, with a maximum current of 75 Amps for short durations. The filter supports a maximum motor frequency of 100 Hz and has an IP20 protection class, weighing 8.5 kilograms.
Internal Product Review
The 18.Z1.F04-1010 is a KEB Z1 sine wave EMC filter designed for 3 Ph + PE systems at 3 x 400 VAC. Rated for 50 A nominal current with 75 A over 30 seconds, the filter offers dependable performance in demanding drive applications. IP20 protection and support for motor frequencies up to 100 Hz make this filter a strong choice for controlled industrial installations.
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Product Description:
The 18.Z1.F04-1010 is a sine-wave electromagnetic compatibility output filter produced by KEB for the Z1 Sine Wave EMC Filters series. Positioned between a variable-frequency drive and a three-phase motor, the component reshapes the inverter's high-frequency switching waveform into a nearly sinusoidal signal. This reduces insulation stress on motor windings and helps limit electromagnetic interference near adjacent control hardware during automated operation. A smoother output waveform also reduces the amount of high-frequency content passed from the inverter to the motor cable.
Electrically, the filter uses a 3 Ph + PE topology and supports a nominal line of 3 x 400 VAC while tolerating surges up to 530 VAC. This arrangement supports standard industrial motor connections while keeping the protective-earth path continuous. Continuous conduction is rated at 50 A, and overloads of 75 A are permitted for 30 seconds to provide limited headroom during acceleration. Internal copper paths have only 4.4 mΩ of DC resistance, and the network handles inverter carrier content up to 100 Hz without excessive heating. The enclosure meets IP20, providing finger-safe barriers for installed equipment. A 35.0 mm² spring-pressure terminal set is secured with 5.0 Nm of tightening torque, and the design maintains phase balance with only a small voltage drop under rated load.
Inductive energy storage is fixed at 0.24 mH, and the iron-core design converts switching losses into a steady 65 W heat load that must be removed by cabinet airflow. The unit introduces a declared 4 % voltage loss, which reduces the motor-side voltage delivered from the upstream drive. A plated steel base and winding assembly bring the total mass to 8.5 kg, and installation uses an M6 protective-earth stud tightened to 6.0 Nm. These values describe the filter's thermal burden and mounting requirements during normal operation.
