CBS Nuclear Services - 10CFR50 Appendix B nuclear qualified circuit breaker maintenance, repair, retrofit and refurbishment Contact CBS Nuclear Services
Specializing in nuclear qualified services for Class 1E safety-related switchgear and circuit breakers. 10CFR50 Appendix B compliant.
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CBS Nuclear Services

CBS Nuclear Services provides shop and on-site field servicing of Class 1E safety-related low and medium voltage switchgear and circuit breakers. We also service non-nuclear related circuit breakers and other electrical equipment.

Our trained professional technicians can service a wide range of manufacturers' circuit breakers in our modern shop facilities or on-site at your plant utilizing our mobil field service trailers:

  • General Electric
  • ABB/ITE
  • Westinghouse
  • Square D
  • Cutler Hammer
  • Siemens
  • Allis Chalmers
  • Federal Pacific

    Our quality assurance program complies with 10CFR50 Appendix B requirements for servicing Class 1E nuclear qualified electrical equipment.

    Utilizing our mobile field service trailers, on-site service and testing is available at your plant:

  • Installation and commissioning
  • Acceptance testing
  • Maintenance testing
  • Preventive and corrective maintenance
  • Retrofills and retrofits
  • Circuit breaker failure analysis

    Our trained technicians will evaluate a circuit breaker's condition through appropriate diagnostic testing and inspection; and provide you with options ranging from:

  • immediate repair to
  • complete refurbishment to
  • upgrading to the latest technologies utilizing vacuum interrupters and new solid state trip units.

    We also provide replacement parts from the largest inventory in the U.S.

    Refurbishments
    Our professional technicians will provide refurbishment - repair services for both Class 1E nuclear-rated and non-nuclear low and medium voltage cirucit breakers. We refurbish circuit breakers to a like new operating condition; and provide a full one year warranty covering labor and parts.

  • Incoming test and inspection
  • Disassembly
  • Clean
  • Replate
  • Paint
  • Replace damaged or defective components
  • Reassemble
  • Lubricate
  • Final test
  • Final inspection
  • Specialized shipping containers available

    Retrofits - Upgrades - Life Extension
    By applying today's technology and our many years of experience, our retrofit and retrofill programs can extend the life of your breakers. Retrofits convert or upgrade circuit breakers utilizing the latest technologies. Typically this includes:

  • Installing new trip units and/or
  • Installing new vacuum interrupters and operating mechanisms.

    Contact us to discuss how we can assist you to meet your requirements.


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