Siemens First to Receive UL Listing for 120-Volt, Single Pole Solid-state Circuit Breaker

• Device can be used in residential, commercial, and light industrial applications
• Technology offers greater safety and reliability, operates with passive heat management
• New breaker uses fully recyclable materials

Siemens is the first company to successfully receive UL listing for a 120-volt, single pole solid-state circuit breaker.

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Siemens is the first company to successfully receive UL listing for a 120-volt, single pole solid-state circuit breaker. (Photo: Business Wire)

The solid-state breaker concept replaces the traditional moving parts of an electromechanical circuit breaker with semiconductors and advanced software algorithms that control the power and can interrupt extreme currents faster than ever before.

Because the basis of the new product is electronic, the speed and programmability of power distribution and management are entering a new era. Fully digital power has the potential to improve safety, reliability, and product customization more than current electrical management systems. Users have new abilities to understand and manage the consumption, safety, and application of electricity.

“This is an exciting step forward in making solid-state circuit breaker technology available to the mainstream market,” says Barry Powell, Head of Electrical Products North America for Siemens Smart Infrastructure. “It makes electricity safer by dramatically reducing arc flash hazards, and more manageable with the remote control and operation of individual electrical circuits.”

Heat generation is inherent to semiconductor-based products. This new Siemens device is also the first UL listed solid-state breaker that operates with passive heat management, meaning it does not require any special panels or equipment. It is designed for use in standard electrical panels.

“In addition to the advancements in circuit protection capabilities, Siemens has been able to design this new breaker using fully recyclable materials that are not commonly found in traditional circuit breakers,” Powell adds. “This is part of Siemens’ continued commitment to the sustainability of electrical distribution.”

Siemens has been involved in solid-state circuit breaker technology for many years with organic developments, partnerships, and investments both domestically and internationally. Today’s announcement represents the first solid-state circuit breaker fully developed by Siemens in the United States.

These devices are designed for use in 120-volt, single pole residential, commercial, and light industrial applications. Over the coming months and years, Siemens will continue to develop new features and capabilities of this product family.

For more information visit: usa.siemens.com/powerdistribution

About Siemens

Siemens Smart Infrastructure (SI) is shaping the market for intelligent, adaptive infrastructure for today and the future. It addresses the pressing challenges of urbanization and climate change by connecting energy systems, buildings and industries. SI provides customers with a comprehensive end-to-end portfolio from a single source – with products, systems, solutions and services from the point of power generation all the way to consumption. With an increasingly digitalized ecosystem, it helps customers thrive and communities progress while contributing toward protecting the planet. With around 70,000 employees worldwide, Siemens Smart Infrastructure has its global headquarters in Zug, Switzerland, and its U.S. corporate headquarters in Peachtree Corners, Georgia, USA.

Siemens Corporation is a subsidiary of Siemens AG, a technology company focused on industry, infrastructure, transport, and healthcare. From more resource-efficient factories, resilient supply chains, and smarter buildings and grids, to cleaner and more comfortable transportation as well as advanced healthcare, the company creates technology with purpose adding real value for customers. By combining the real and the digital worlds, Siemens empowers its customers to transform their industries and markets, helping them to transform the everyday for billions of people. Siemens also owns a majority stake in the publicly listed company Siemens Healthineers, a globally leading medical technology provider shaping the future of healthcare. In addition, Siemens holds a minority stake in Siemens Energy, a global leader in the transmission and generation of electrical power. Siemens has been supporting the industries and creating the infrastructure forming the backbone of America’s economy for more than 160 years, with more than 40,000 employees, 17,000 suppliers, and customers in all 50 states and Puerto Rico. In fiscal 2021, Siemens Group USA generated revenue of nearly $20 billion.

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