| | | | | |

ABB: S803UP K20 – High Performance MCB

May 20, 2026 - ABB S803UP K20 - High Performance MCB

May 20, 2026

S803UP K20 MCB: An Ideal Choice for Critical Power Infrastructures, Data Centers & Renewable Applications

Meet ABB’s most powerful UL‑certified High‑Performance Circuit Breaker in a compact DIN-rail size (81 mm, 3‑pole design), compliant with UL 489 at 480V. The S800UP Series is engineered for demanding environments, delivering reliable protection and enhanced performance without sacrificing space. An ideal option for critical power infrastructures, data centers, and renewable applications, the S803UP K20 MCB ensures consistent operation where uptime and efficiency matter most. Explore how its compact form, 50 kA interrupting capacity, and easy integration can elevate your installation.

Main Benefits

  • High Performance: UL 489 certified with a 50 kA interrupting rating at 480Y/277 VAC and rated current up to 70 A. UL 100% rated for continuous load at rated current, avoiding the need to upsize the MCB and cable section.
  • Protection of Sensitive Equipment: Two arc chambers per pole, reducing peak current and let-through energy during short circuit, ensuring complete protection of downstream equipment.
  • Compact and Easy to Install: High breaking capacity with 3 poles in only 81 mm width (1.5 modules per pole), suitable for DIN-Rail installation with no need of adapter. Flexible top and bottom supply with interchangeable kit for quick change from cage to ring terminals.
  • Complete Control of the Installation: Compatible with a wide range of accessories, upgrading the installation by adding extra features and functions to the product for improved monitoring and control.

Main Features

  • UL 489 certified with 50kA interrupting rating at 480Y/277 VAC
  • 100% rated according to UL
  • Rated current up 20…70 A in K tripping characteristics
  • 3 poles in only 81 mm width for DIN-Rail installation
  • Compatible with wide range of accessories, including shunt trip, auxiliary and signal contacts
  • Toggle Position Indication (TPI): 3 status ON-OFF-TRIP with TRIP position in the middle, easily identifying the tripping cause due to overcurrent
  • Interchangeable terminals from fail-safe cage terminals to ring-lug terminals with supply from top or bottom side
  • May 20, 2026 - ABB S803UP K20 - High Performance MCB
  • May 20, 2026 - ABB S803UP K20 - High Performance MCB
  • May 20, 2026 - ABB S803UP K20 - High Performance MCB
  • May 20, 2026 - ABB S803UP K20 - High Performance MCB
  • May 20, 2026 - ABB S803UP K20 - High Performance MCB

For more information on ABB electrical solutions HERE

May 20, 2026 - ABB S803UP K20 - High Performance MCB

Source

S803UP K20 S803UP K20

Related Articles

Changing Scene

Sponsored Content
The Easy Way to the Industrial IoT

The way to the Industrial IoT does not have to be complicated. Whether access to valuable data is required or new, data-driven services are to be generated, Weidmuller enables its customers to go from data to value the easy way. Weidmuller’s comprehensive and cutting-edge IIoT portfolio applies to greenfield and brownfield applications. Weidmuller offers components and solutions from data acquisition, data pre-processing, data communication and data analysis.

Visit Weidmuller’s Industrial IoT Portfolio.

ADVANCED Motion Controls Takes Servo Drives to New Heights (and Depths) with FlexPro Extended Environment Product Line

Advanced Motion Controls is proud to announce the addition of six new CANopen servo drives with Extended Environment capabilities to their FlexPro line. These new drives join AMC’s existing EtherCAT Extended Environment FlexPro drives, making the FlexPro line the go-to solution for motion control applications in harsh environments.

Many motion control applications take place in conditions that are less than ideal, such as extreme temperatures, high and low pressures, shocks and vibrations, and contamination. Electronics, including servo drives, can malfunction or sustain permanent damage in these conditions.

Read More

Service Wire Co. Announces New Titles for Key Executives

Bruce Kesler and Mark Gatewood have been given new titles and responsibilities for Service Wire Co.

Bruce Kesler has assumed the role of Senior Director – Business Development. Bruce will be responsible for Service Wire’s largest strategic accounts and our growing Strategic Accounts Team.

Mark Gatewood has been promoted to the role of Vice President – Sales & Marketing. In this role, Gatewood will lead the efforts of Service Wire Company’s entire sales and marketing organization in all market verticals.

Read More

Tri-Mach Announces the Purchase of an Additional 45,000 sq ft. Facility

Tri-Mach Elmira Facility

Recently, Tri-Mach Inc. was thrilled to announce the addition of a new 45,000 sq ft. facility. Located at 285 Union St., Elmira, ON, this facility expands Tri-Mach’s capabilities, allowing them to better serve the growing needs of their customers.

Positioning for growth, this additional facility will allow Tri-Mach to continue taking on large-scale projects, enhance product performance testing, and provide equipment storage for their customers. The building will also be the new home to their Skilled Trades Centre of Excellence.

Read More

JMP Parent Company, CONVERGIX Acquires AGR Automation, Expanding Global Reach

Convergix Automation Solutions has completed the acquisition of AGR Automation (“AGR”), a UK-based provider of custom, high-performance automation design and systems integration primarily to the life sciences industry.

Following Convergix’s acquisitions of JMP Solutions in August 2021 and Classic Design in February 2022, AGR marks the third investment in Crestview’s strategy to build Convergix into a diversified automation solutions provider targeting the global $500+ billion market, with a particular focus on the $70 billion global systems integration and connectivity segments. Financial terms of the transaction were not disclosed.

Read More

Latest Articles

  • NOARK’s Breakthrough in AI Data Centers: A Story of Speed, Strategy & Execution

    NOARK’s Breakthrough in AI Data Centers: A Story of Speed, Strategy & Execution

    In November 2025, NOARK Electric was presented with an opportunity that would test not only its capabilities, but its agility, coordination, and decision-making under pressure. A global technology and social media company—rapidly expanding its AI infrastructure—issued a request for quotation for pad-mounted transformers and switchboards. The scope was significant: a multi-million-dollar order tied to a… Read More…

  • Design Systems Canada: Enhancing Product Design & Performance Using FEA Simulation

    Design Systems Canada: Enhancing Product Design & Performance Using FEA Simulation

    Waiting until a physical prototype fails is an expensive mistake. At Design Systems Canada (DSC), they help their partners avoid these setbacks by using advanced digital testing. One of the most valuable tools in their arsenal is Finite Element Analysis (FEA). While it sounds technical, its purpose is simple. It allows them to predict how… Read More…