New generation of high-performance industrial miniature circuit breaker (MCB) arrives

New generation of high-performance industrial miniature circuit breaker (MCB) arrives

  • Latest upgrade on critical electricals component significantly enhances performance, safety, and sustainability almost 100 years following its original invention
  • Safety features in ABB’s new MCB see increased impulse withstand voltage and an integrated Trip Position Indicator (TPI) to show which device has tripped
  • New S300P performance due to increased breaking capacity and device also offers ease of installation and maintenance

Leading technology company and pioneer in electricals, ABB, today launched its new industrial miniature circuit breaker (MCB) almost 100 years since it brought the first such device to market. The new ABB S300 P Industrial MCB updates the fundamental component in a modern electrical system, improving safety, performance, efficiency installation and information accessibility.

The upgrade allows for a new level of enhanced performance within the same familiar volume and design for industrial MCBs. The new generation S300 P, which replaces the previous S200 P, offers new functionalities including the TPI, the Dual DIN-rail clip, and a QR code for quick access to documentation, certificates, and technical data.

Christian Völker, Global Product Manager in ABB Electrification’s Smart Buildings division said, “We know how important an MCB is to safe, smart, and sustainable building electricals and we can confidently say that S300P will demonstrate best-in-class technical performance in the market. In fact, this new MCB series is market leading collectively across performance, safety and efficiency, and ease-of-installation.”

The new S300 P has an updated terminal design to support larger cables, up to 35 mm² and saves installation space by being one module in width in combination with a bottom fixed auxiliary contact. It also operates in a more energy efficient way, with increased impulse withstand voltage and lower internal resistance reducing power loss and increasing safety. The new industrial MCB is useable worldwide supported by relevant global certifications.

S300 P - first MCB to be applied with the ABB EcoSolutions™ label​
S300 P - first MCB to be applied with the ABB EcoSolutions™ label​

The S300 P is the first MCB to be assessed according to ABB’s circularity products framework and applied with the Company's EcoSolutions™ label​, for full transparency on the environmental impact throughout the product life cycle. As a precondition, the product has also been externally verified through Type III Environmental Product Declarations (EPD), in compliance with ISO 14025 and in support of global requirements from customers and regulators for more sustainable supply chains.

For more information click here: ABB S300 P Industrial MCB

ABB (ABBN: SIX Swiss Ex) is a technology leader in electrification and automation, enabling a more sustainable and resource-​efficient future. The company’s solutions connect engineering know-​how and software to optimize how things are manufactured, moved, powered and operated. Building on more than 130 years of excellence, ABB’s ~105,000 employees are committed to driving innovations that accelerate industrial transfor​mation. Electrifying the world in a safe, smart and sustainable way, ABB Electrification is a global technology leader in electrical distribution and management from source to socket. As the world’s demand for electricity grows, our 50,000+ employees across 100 countries collaborate with customers and partners to transform how people connect, live and work. We develop innovative products, solutions and digital technologies that enable energy efficiency and a low carbon society across all sectors. By applying global scale with local expertise, we shape and support global trends, deliver excellence for customers and power a sustainable future for society.


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