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Posted Apr 29 2015 | by admin in Circuit Breaker Info,Uncategorized with | No Comments

Sierra Circuit Breaker is a leader in supplying Square D SEF and SED insulated case breakers to the commercial and industrial markets.   We have a wealth of experience working with these breakers and can repair most models.   If you have an older vintage Sierra Circuit Breaker can help retrofil existing switchgear with the newer Square D Micrologic™  Series ...

Posted Apr 24 2015 | by admin in Uncategorized with | No Comments

  GE Power Break Insulated Case Circuit Breakers at SierraCircuitBreaker.Com   Sierra Circuit Breaker offers a complete line up of GE Power Break circuit breakers for commercial and industrial applications. New and Obsolete hard to find vintages.   ⇒ Largest Inventory in the USA for Power Break ⇒ Repairs and Retrofits ⇒ Complete Rebuilds and Certification ⇒ Parts and Accessories ⇒ 100 to 4000 Amps ...