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power filters Control Concepts





















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Control Concepts manufactures power filters, surge protection, and lightning protection products for companies having power quality issues such as spikes, transients, and surges. Our patented Islatrol Active Tracking® Filters, as well as our surge protection products, are ideal for many applications.



  • lightning protection
  • power filters 
  • active tracking filtering
  • Noise, Transients, Spikes…  

    That's right! There's no other answer to your power quality and lightning protection problems except Control Concepts Corporation. We're the best in the power filtering and surge suppression industry. No other company can match our breadth of product offerings, engineering, testing capabilities, technical expertise, and customer service. Our products and people make the difference.

    More than 30 years ago, we introduced our patented Active Tracking® Filtering technology for low-energy transients and high-frequency noise. We've continued to be on the cutting edge in developing some of the most advanced technology in power filters, lightning protection and surge suppression today. Our engineering is second to none as are our product testing procedures.

    We test our product capabilities in our own state-of-the-art lab using some of the most stringent standards.

    A Standard of Excellence. What other power quality provider is associated with names like Emerson, Liebert, and EDCO?


    In 1990, Control Concepts was acquired by Liebert Corporation, a subsidiary of Emerson. Emerson, based in St. Louis, is comprised of more than 60 divisions. Control Concepts, Liebert, and EDCO are divisions of Emerson Network Power. What this means is that not only do you benefit from a single-source power quality, power filtering and surge suppression manufacturer like Control Concepts, but cross-company access to Emerson's global infrastructure as well.

    The Control Concepts/Emerson Network Power standard of quality is unsurpassed. NO need to look elsewhere. We provide Box-to-Byte reliable power quality solutions, like our power filters and surge protectors. Only Emerson Network Power has the global capability to meet your power quality and lightning protection needs anywhere in the world at anytime.

    After reviewing our Web site, if you have any questions, please call us toll-free at 800-288-6169, or request more info online. Our customer service personnel and applications engineers are ready to answer your questions and assist you in finding the right surge suppression and Power Quality Solution.

    Giving You the POWER to Succeed

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