Medium-Voltage Switchgear 5-15 kV Medium-voltage metal-enclosed switch over breaker combination

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Eaton’s Metal-enclosed switch and breaker (MSB) provides safe, reliable switching and fault protection for medium voltage switchgear applications. Combining a visible load-break disconnect switch with the capabilities of a fixed-mounted vacuum circuit breaker and control devices, the 5/15kV switchgear increases system protection and improves coordination with upstream and downstream devices.

  • Designed for deployment in new and retrofit substation installations

  • Indoor and outdoor configurations available

  • Can be used as the primary main device integrated with fused feeder switches, or as primary protection in single-ended substations

  • Metal-Enclosed switchgear accommodates voltages from 1kV to 15kV, up to 1200A continuous current, and up to 40kA short circuit withstand

  • Type MEB vacuum switchgear meets or exceeds the following industry standards: ANSI/IEEE C37.20.3. ANSI/IEEE C37.20.4, ANSI C37.22, ANSI C37.57, ANSI C37.58, NEMA SG5, NEMA SG6, CSA 22.2 No. 31. CSA listed for Canada and U.S. markets.

5-15 kV Medium-voltage metal-enclosed switch over breaker combination Specifications:

  • Voltage Up to (kV)
  • Continuous Current Up to (A)
  • Interrupt Rating Up to (kAIC)
  • Basic Impulse Level, BIL (kV)
    4.76 kV class - 60 kV peak, 15 kV class - 95kV peak


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