Product overview

Metal-clad switchgear

Metal-clad switchgear organizes medium-voltage circuit breakers, bus, and cable connections into separate compartments. The documented range covers 5, 15, and 27 kV classes for facility and industrial distribution, with protection, metering, and lineup arrangements selected for the project.

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Manufacturer metal-clad switchgear example

Indicative specifications

Voltage classes: 5 / 15 / 27 kV
5 / 15 kV lineups: 1,200–3,000 A
27 kV lineups: 1,200–2,750 A
Insulation levels: 60 / 95 / 125 kV BIL, by voltage class

Ranges vary by configuration. Exact configuration, certification, price, and lead time are confirmed for the quoted project.

Typical features

Construction features for switching and protection.

Drawout vacuum circuit breakers with connected and disconnected positions.
Separate bus and cable compartments with grounded metal barriers.
Automatic shutters over stationary primary contacts.
Rear cable connection access and cable termination space.
Continuous copper ground bus through the lineup.

Configuration options

Select options with the breaker, protection, and enclosure design.

Protection, control, and customer metering arrangements.
Voltage-transformer integration in feeder sections.
Tin-plated bus and insulated bus joints.
Indoor or outdoor enclosures, heaters, and thermostats.
Surge arresters, auxiliary switches, and alternate rear-door arrangements.

Typical applications

Medium-voltage circuit-breaker switchgear for:

Utility distribution
Industrial facilities
Commercial buildings
Infrastructure

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