New PBAF 690-560 Active Harmonic Filter from Schaefer Suppresses Harmonics Independent of the Number of Loads

Press Release Summary:

The PBAF 690-560 high voltage and high current Active Harmonic Filter monitors the current signals and compensates for unwanted elements of the measured current. The products are suitable for use in oil platforms and 600VAC power systems/grids, automation and wind turbine applications. They comply with IP65, EN 50178, IEC 62477-1, EN61800-3 (C2) and UL508 standards. The filters improve system efficiency by ensuring harmonic suppression and correcting the power factor.

Original Press Release:

High Voltage, Liquid Cooled Active Harmonic Filter Modular System

Hopkinton, MA – Schaefer Inc. is proud to introduce the PBAF 690-560 liquid cooled, high voltage and high current active harmonic filter. This series is ideal for oil platforms and 600VAC power systems/grids, as well as automation, wind turbine and various other industrial applications where eliminating harmonics are critical.

The filter ensures a harmonic suppression independently of the number of loads and corrects the power factor, improving the systems’ efficiency while reducing harmonic distortion. 140A AHF pluggable modules (4 per system) = 560A per cabinet and each filter module has it’s own complete control system.
The PBAF series monitors the current signal and compensates for the unwanted elements of the measured current. System protection class meets IP65 rated and safety and construction standards comply with EN 50178, IEC 62477-1, EN61800-3 (C2) and UL508. EMI according to EN 61000-6-4.

Schaefer offers a number of options and can optimize or customize for mission and non-mission critical applications. Full product specifications can be viewed at For further information and pricing, please contact Jeff Roffee (Director of Power Systems) Schaefer, Inc., 45 South Street, Hopkinton, MA 01748. Tel: 508/435-6400 Fax: 508/435-6401 for additional information or to schedule a demo.

Editorial Contact: Jeff Roffee

Phone: 508-435-6400 


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