Legrand Launches Starline T5 DoubleBar, the Highest Ampacity Open-Channel Track Busway with Most Pluggable Space
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WEST HARTFORD, Conn., Oct. 20, 2026 /PRNewswire/ -- Legrand, the global specialist in electrical and digital building infrastructures, today launched the Starline T5 DoubleBar track busway. Engineered specifically for high-density environments, the T5 DoubleBar offers the highest ampacity open-channel busway available on the market with the most pluggable space, addressing the exponential power demands of artificial intelligence and high-performance computing.

By featuring a configuration with two T5 bars in parallel, the system delivers up to 2000A, enabling robust power distribution for high-density environments. This hybrid busway design successfully combines open-channel flexibility with busduct-level ampacity for maximum adaptability.

"As AI workloads push rack densities past 100kW, data center operators have been forced into a clear trade-off: install heavy, rigid busducts to get high amperage, or use track busways to maintain operational flexibility," said Mark Swift, Vice President of Engineering for Starline, a brand of Legrand. "With the T5 DoubleBar, we've completely eliminated that compromise. By delivering 2000A in a continuous open-channel architecture, we give operators the raw power density of a traditional busduct without forcing them to clutter their white space with redundant busway runs or sacrifice the agility to reconfigure on the fly."

Key Features and Benefits of the Starline T5 DoubleBar

The T5 DoubleBar eliminates spacing constraints common in traditional busduct systems and minimizes the whitespace footprint in dense data center layouts.

- Unmatched AI & HPC Support: The system handles rack loads up to 150kW, meeting next-gen data center demands. It is also compatible with LVDC installations to 1000VDC.

- Increased Pluggable Space: The high-density double-bar architecture utilizes parallel conductors to increase amperage and pluggable space without increasing the system's footprint.

- Zero-Downtime Reconfiguration: Hot-pluggable tap-off capability allows for the safe, live installation and removal of tap-off units without a system shutdown, maximizing operational continuity.

- True Modularity and Scalability: The modular design supports multiple ratings without system redesign. Furthermore, it is designed for future expansion up to 5000A, protecting long-term capital investments.

- Complete T5 Ecosystem Compatibility: The system maintains open-channel plug-in access and full compatibility with all existing T5 plug-in units.

Launching Alongside High-Capacity Plug-in Unit (HCP)

To complete this end-to-end high-density power distribution system, Legrand is simultaneously launching a new High-Capacity Plug-in Unit (HCP) designed for seamless integration directly on T5 infrastructure, including the new DoubleBar.

These new plug-in units offer up to 250A capacity and multiple enclosure formats, delivering more power through a single unit. By powering high-density AI and HPC racks directly, the HCP reduces the need for multiple lower-amperage plug-ins, simplifying the overall power delivery architecture.

For more information on the Starline T5 DoubleBar and High-Capacity Plug-in Units, visit the Starline website.

About Legrand:

Legrand is the global specialist in electrical and digital building infrastructures. Its comprehensive offering of solutions for residential, commercial, and datacenter markets makes it a benchmark for customers worldwide. The Group harnesses technological and societal trends with lasting impacts on buildings with the purpose of improving life by transforming the spaces where people live, work and meet with electrical, digital infrastructures and connected solutions that are simple, innovative and sustainable. Drawing on an approach that involves all teams and stakeholders, Legrand is pursuing a strategy of profitable and responsible growth driven by acquisitions and innovation, with a steady flow of new offerings that include products with enhanced value in use. Legrand reported sales of €9.5 billion in 2025. The company is listed on Euronext Paris and is a component stock of the CAC 40, CAC 40 ESG and CAC Transition Climat indexes (code ISIN FR0010307819). www.legrand.us

Media Contact:

Jaymie Scotto & Associates

+1 866.695.3629 ext. 19

[email protected]

SOURCE Legrand DPC LLC

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<p>WEST HARTFORD, Conn., Oct. 20, 2026 /PRNewswire/ -- Legrand, the global specialist in electrical and digital building infrastructures, today launched the Starline T5 DoubleBar track busway. Engineered specifically for high-density environments, the T5 DoubleBar offers the highest ampacity...</p>

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