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Masterclad MV Metal-Clad Switchgear

Air-insulated drawout switchgear with vacuum circuit breakers for large, complex power distribution and control.

Air-insulated drawout switchgear with vacuum circuit breakers for large, complex power distribution and control.

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Masterclad MV Metal-Clad Switchgear
  • Features

    Masterclad arc resistant switchgear offers a customizable solution for demanding medium voltage applications. Rugged construction is coupled with low maintenance 3 cycle vacuum circuit breakers. Safety features include mechanical interlocks, compartmentalization, breaker shutters, and insulated bus.

    • Air-insulated switchgear
    • Removable, drawout vacuum circuit breakers with 3 cycle interruption
    • Voltage range: 4.76kV to 27kV
    • Current range: 1200A to 3000A
    • Interrupting range: 25kA to 50kA ANSI C37.20.2 construction
    • Indoor and outdoor options with one or two high breaker arrangement
    • Compartmentalized enclosure with grounded barriers
    • Automatic gear driven shutters
    • Epoxy insulated busbars
    • Mechanical interlocks
    • Disconnect style instrument transformers
    • Optional remote racking of breakers
    • Optional Arc Terminator* active arc extinguishing system

    Benefits

    Customization, ease of maintenance and enhanced safety.
    • Customization: standard design is highly flexible on bus arrangement, control power, relaying, and accessories.
    • Ease of maintenance: drawout vacuum breakers have up to 10,000 operations, drawout instrument transformers, and isolated low voltage compartment.
    • Enhanced safety: fully compartmentalized construction, grounded barriers, mechanical interlocks, breaker shutters, and fully insulated bus keep operators segregated from medium voltage. Remote breaker racking is an available option. Active arc extinguishing system is also an available option.

    Applications

    Critical main service entrance protection and control for large installations including industrial plants, buildings, data centers, hospitals, utility generation systems, and water/wastewater plants.