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5-15 kV Medium-voltage metal-enclosed breaker

Eaton’s metal-enclosed breaker (MEB) switchgear consists of a single high-drawout vacuum circuit breaker (Type VCP-W) in a metal-enclosed cabinet. 

When deployed as primary protection for a single-ended substation, the MEB can eliminate the need for a secondary main circuit breaker. It can also be applied as the primary main device and integrated with fused or unfused feeder switches in Eaton metal-enclosed switchgear. The MEB 5/15kV switchgear meets or exceeds all required industry standards (IEEE, ANSI and NEMA).

up to 15 kV
up to 2000 A
up to 63 kAIC

Core features

  • Classified as an overcurrent device, the metal-enclosed breaker enhances system protection and increases coordination with upstream and downstream devices that cannot achieve these benefits with a switch/fuse combination
  • MEB switchgear is used for single or multiple circuits, transformer primaries, and mains for medium-voltage switchgear applications
  • Configurations with an automatic transfer control system easily accommodated
  • All protective devices and metering conveniently mounted on the switchgear structure door 
  • Both indoor and outdoor non-walk-in enclosures are available, as well as custom designs
  • Metal-enclosed breaker 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, CSA 22.2 No. 31. CSA listed for Canada and U.S. markets

Multi-use protection

The Metal Enclosed Breaker (MEB) can be applied in a variety of configurations:

  • Primary protection for a single-ended substation –eliminates the need for a secondary main circuit breaker
  • Primary main device integrated with fused or unfused feeder switches in Eaton metal-enclosed switchgear
  • Incorporate into a two- and three-breaker automatic transfer scheme    

Eaton’s Electrical Engineering Services and Systems

With more than 1,500 experts in 60 locations throughout Canada and the U.S., and more around the world, Eaton’s Electrical Engineering Services and Systems team is one of the largest and most experienced service organizations in the industry.