AC Switchgear (Indoor)


Safe, advanced, compact switchgear compliant with the latest IEC standards.


Quantum expands the BRUSH Switchgear portfolio of medium-voltage indoor switchgear with its deserved reputation for great reliability and low maintenance. It is an ideal solution for when product diversity within electricity networks is required.

Maintaining all of the benefits of our award-winning magnetic actuator, Quantum delivers a technology refresh whilst retaining the simplicity of air insulation and vacuum technology in a fixed-pattern design. It offers further space saving benefits with its integrated busbar CT design and top-mounted busbar earthing facility.

Key benefits

Smaller equipment footprint
Custom solutions
Asset life extension
Lower total cost of ownership (TCO)
Proven design
Improved operator safety

Fit and forget technology

Award-winning, maintenance free magnetic actuator technology with the patented single coil magnetic actuator mechanism based on a solenoid plunger, held in the tripped or closed position by permanent magnets

Technical Specifications

Rated Normal CurrentUp to 2000A
Rated Voltage12kV
Rated Frequency50Hz
Rated BIL75/95kV pk
Rated Power Frequency Withstand28/38kV 1 mim
Rated Short-Time Withstand Current25kA RMS for 3 secs
Rated Peak Making Current62.5kA
Internal Arc Compliance25kA for 1 sec
Rated Short Circuit Breaking Current25kA
Degree of ProtectionIP4X
Single Capacitor Bank Breaking Current400A
Circuit Breaker ClassificationE2, S2, C2
Auxiliary Operating Supply110DC
Busbars Normal CurrentUp to 2000A
Typical Weight500-700kg
Ambient Air Temperature-5˚C to +40˚C
Relative Humidity<95%
Mechanical Endurance10,000 operations

Key Features

Maintenance Free
Magnetic actuator with up to 50x fewer moving parts
Enhanced Safety
IAC – AFL internal arc protection
Improved Operator Safety
Fully interlocked front-access cable-test facility
Ease of Operation
3 position disconnector with integrated earthing circuit
Flexible Configuration
Expandable LV top box for more complex solutions

Switchgear Services

From initial system analysis, to design, engineering, supply, installation, commissioning and upgrades of equipment through to repurposing or decommissioning. We provide lifecycle management and support.

Man holding a ball of energy symbolising connections

Speak to our team

BRUSH has a global reputation for service excellence and dedicated customer support. With a wealth of experience spanning more than 145 years and significant in-house knowledge and expertise, our commitment to excellence is backed by experience and knowledge.

Whether it’s the provision of parts, the delivery of service support in the field, at the customer’s premises or at our network of service workshops, our team of highly experienced engineers are on hand to support.

On 11 July 2023, BRUSH Group decided to simplify its AC switchgear.
This portfolio simplification means that our longstanding Eclipse product will be phased out.
For more information, contact us.