Type SDV7 Distribution Circuit Breaker Family

15.5 kV to 38.0 kV

Features and Benefits

Type SDV7 Distribution Circuit Breaker Ratings, Enclosures and Types

Ratings offered:

  • 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 2,500 A, 200 kV BIL.


Enclosure types offered:

  • Standard: non-arc-resistant, type SDV7

  • Optional: arc-resistant, accessibility type 2B to ANSI/IEEE C37.20.7, type SDV7-AR.


Type SDV7 distribution circuit breaker family includes:

  • Type SDV7-SE: type SDV7 non-arc-resistant with stored-energy operator

  • Type SDV7-MA: type SDV7 non-arc-resistant with magnetic-actuator operator

  • Type SDV7-SE-AR: type SDV7-AR arc-resistant with stored-energy operator

  • Type SDV7-MA-AR: type SDV7-AR arc-resistant with magnetic-actuator operator.



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Features and Benefits

Features and benefits include:

  • 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/IEEE "rain tested" enclosure (C37.20.2-1999).



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