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ASCO Transfer Switch Series 300SE Service Entrance Rated

A Series 300SE ASCO Automatic Transfer Switch combines the ULTRA-RELIABLE Asco Series 300 ATS, the all-new Group G advanced ATS control and highly dependable Schneider circuit breakers to serve as a disconnect to the utility. Service Entrance rated ATS are designed primarily for applications with a single Emergency source and a single Utility feed.
NEC compliant, UL 891 and UL 1008 listed, ASCO transfer switches are available in sizes from 70 Amp, 200 Amp through 3000 Amp.


Benefits of Buying a 300SE ASCO ATS: 

  • Free 24/7 technical support available nationwide from a highly professional support team
  • Selection of only the Highest-quality components available in the industry
  • A product exclusively designed, engineered and manufactured in North America, for North America, by ASCO
  • The most comprehensive list of features of all switches in this product range
  • Highly intuitive control with a 128*64 graphical LCD display and multilingual functionality for monitoring and configuration
  • A Schneider circuit breaker disconnect on the Normal source for isolation
  • UL approved NEMA1, NEMA3R Sec, and NEMA4X enclosures. 200 thru 600 VAC, 50 or 60 Hz, single or three-phase


An ASCO transfer switch delivers uninterrupted power supply, backed by an excellent customer satifaction record and the highest engineering standards from the largest generator transfer switch manufacturer in the World!