Siemens – ACB Air Circuit Breakers

Siemens – Sentron 3WT Air Circuit Breakers up to 4000 A

The Sentron 3WT Air Circuit Breakers deliver exceptional protection and control for industrial and commercial power systems, ensuring safe and efficient power distribution. With a high breaking capacity and intelligent protection features, they safeguard electrical networks from overloads, short circuits and other faults. Designed for reliable performance up to 4000 A, these breakers integrate seamlessly with modern energy management systems, enabling remote monitoring, diagnostics and predictive maintenance. Their modular design and user-friendly interface make installation and operation simple, while their rugged construction ensures long-term durability in demanding environments.

Benefits

  • Flexibility: New electronic trip units (ETU) with outstanding features. Only two frame sizes cover a broad range of applications from 400 A to 4000 A, up to 66 kA at 500 V, 3- or 4-pole version, fixed-mounted, withdrawable version. All components can be combined in a modular way.
  • Ease of use: User friendliness in planning, configuration, installation and operation. Wide range of accessories for both frame sizes can be easily retrofitted. Displays for all electronic trip units (ETU).
  • Safety and reliability: International and standardized processes ensure highest product quality. Conforms to international standards and approvals.

Siemens – Sentron 3WA Air Circuit Breakers

The Sentron 3WA Air Circuit Breakers are state-of-the-art circuit protection devices built for high-performance power distribution. These digitally enhanced breakers provide precise fault detection, remote operation and real-time energy monitoring, ensuring maximum efficiency and system reliability. Engineered for seamless integration into smart grids and industrial automation, they offer customizable protection settings, fast response times, and compliance with global safety standards. With their modular and compact design, these breakers are an ideal solution for critical infrastructure, industrial plants and large commercial buildings where continuous power availability is crucial.

Benefits

  • Consistent, end-to-end portfolio since 2001 thanks to the SENTRON 3WL and SENTRON 3WA air circuit breakers having the same dimensions and connection points
  • Consistent, end-to-end circuit breaker portfolio up to 1,150 V AC
  • Three sizes with rated currents of 630 A to 6,300 A for AC applications
  • One frame size up to 4,000 A for DC applications
  • High breaking capacity ICU of 55 kA to 150 kA at 500 V AC
  • Simple extension of functions, thanks to uniform accessories for all frame sizes
  • A single electronic trip unit that meets all requirements

Siemens – Sinova 3WJ Air Circuit Breakers

The Sinova 3WJ Air Circuit Breakers provide efficient and cost-effective protection for low and medium-voltage power distribution. Designed for versatility and ease of use, they offer fast and reliable circuit interruption, preventing damage from electrical faults while ensuring safe system operation. Their compact design and simple installation make them a preferred choice for industries, commercial buildings, and infrastructure projects. With high breaking capacity, robust construction, and long operational life, these breakers deliver consistent protection and performance, ensuring minimal downtime and maximum energy efficiency.

Benefits

  • Adaptable: Feature common footprints, allowing for easy and seamless integration.
  • Comprehensive: With a range of up to 4000A, our air circuit breakers cater to all your standard application needs.​
  • Customizable: Provide complete flexibility for users to choose their desired features, ensuring cost-efficient performance that meets their specific requirements.
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