Type SDV7 Distribution Circuit Breaker Ratings, Enclosures and Types
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.
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).