Type SDV6 Distribution Circuit Breaker

15.5 kV to 38 kV

Features and Benefits


Siemens type SDV6 medium-voltage outdoor vacuum circuit breakers are available in voltage ratings from 15.5 kV to 38 kV. Siemens technology is proven in thousands of installations around the world. Add a Siemens protective relay to match any typical application and have a complete packaged solution.


Type SDV6 features include:

  • 15.5 kV, 20 kA to 40 kA, 1,200 A to 3,000 A, 110 kV BIL

  • 27.6 kV, 20 kA to 25 kA, 1,200 A to 2,000 A, 150 kV BIL

  • 38.0 kV, 20 kA to 40 kA, 1,200 A to 2,000 A, 200 kV BIL

  • Reliable performance - time proven operating mechanism

  • Time-proven type 3AH3 operator derived from operators introduced in 1977 (over 600,000 produced)

  • Common operator for all ratings

  • Extended capacitor switching (optional)

  • Tested for out-of-phase switching ratings (ANSI/IEEE C37.09-1999)

  • Large relay and control compartment

  • Stainless steel exterior hardware

  • Porcelain dry-type bushings with extended creep

  • Highly reliable vacuum interrupters - MTTF over 57,000 years

  • Pair with Siemens protective relays to match any typical application

  • Moderate and high seismic qualification (Zones 1-4) available

  • Meets or exceeds the latest ANSI, IEEE and NEMA standards

  • ANSI "rain tested" enclosure (C37.20.2 1999)

  • Circuit breakers shipped completely assembled and ready to install.

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