100+ YEARS OF MINIATURE CIRCUIT BREAKERS (MCBS)

<p>For more than 100 years, we've been the standard-setter in electrical protection – continuously innovating to meet evolving market demands. Today, our IEC, UL, and CSA-certified portfolio protects millions of installations worldwide, delivering maximum safety for buildings, assets, and infrastructure every single day.</p>

MAIN BENEFITS

Wide range

<p>Choose from B, C, D, K, and Z characteristics in 1P to 4P configurations – we've engineered solutions for a wide range of applications and markets worldwide.</p>

Certified quality

<p>We meet IEC, UL, and CSA standards globally – so you specify with confidence, anywhere.</p>

Compact

<p>Save installation space and time with compact devices, clever features, and accessories such as our innovative bottom-fitted auxiliary contact.</p>

High performance & versatility

<p>With breaking capacities up to 25 kA and rated currents to 100 A, we protect everything from simple circuits to demanding industrial systems.</p>

APPLICATIONS

Miniature Circuit Breakers (MCBs) provide reliable protection in a wide range of applications – from residential to commercial and industrial buildings, as well as renewables and transportation.

Residential and commercial buildings, Industrial machinery & automation, Data centers & critical infrastructure, Solar PV & renewable energy, EV charging & E-mobility, Transportation & Marine

DISCOVER OUR MCBS

LEARN MORE

Casa Verde: Sustainability and automation redefine the luxury hospitality experience in Brazil

With ABB smart building technology, Felissimo Exclusive Hotel’s Casa Verde suite proves that intelligent, sustainable design doesn’t just elevate guest experiences, it delivers a fast financial return.

From Office to Showroom: Enhanced Comfort and Energy Savings at Hanza Tower

As a workspace where architectural designs are created, ArchiCe's office in Hanza Tower in Szczecin, Poland, also functions as a live showroom. To enhance the visitors’ experience and showcase the latest in building automation, the studio needed a modern solution.

The Evolution of Miniature Circuit Breakers (MCBs) – A Century of Technological Advancements

As we celebrate 100 years of Miniature Circuit Breakers (MCBs), a major milestone in ABB's history, Christian Voelker, Global Product Manager for Line Protection devices, reflects on the evolution of MCBs over the past century.

Complex technology in the Miniature Circuit Breaker

Infographic

ABB expert knowledge is not only needed for devices that switch high currents and voltages, but also for the more commonly used miniature circuit breaker – a sophisticated piece of engineering.

How Germany’s Hockenheimring uses ABB circuit breakers to help power world class events

Success story

The Hockenheimring in Germany is traditionally a motorsports race track, known mostly for its world-class events such as Formula One or the German Touring Masters (DTM).

e-Configure product selector

Configurator tool for ABB low voltage products. It helps to select and to add accessories to the right product for your application.

VIDEOS

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