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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nuclear qualified service of safety-related circuit breakers CBS Nuclear Services specializes in shop and on-site field servicing of Class 1E safety-related low and medium voltage switchgear and circuit breakers.

We also service industrial and non-nuclear related circuit breakers and related switchgear and substations.

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

Service is available in our modern shop facilities or on-site at your plant utilizing our mobil field service trailers.
Repair, retrofit or refurbishment of Class 1E safety-related low and medium voltage circuit breakers and switchgear. Our trained technicians and engineers 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.

  • Replacement parts are our specialty... millions in stock.

    Contact us to discuss your requirements for shop or on-site field services or replacement parts.


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