Specifications
Product Family
Square D I-Line Track, I-Line Busway, Canalis, Power-Zone and Powerbus busway
I-Line Track
Open-channel (track) busway launched April 2024 for hyperscale and colocation halls
I-Line Track Rating
Up to 1,600 A
I-Line Track Tap-Offs
Hot-pluggable, self-locking tap-off units repositioned in service
I-Line Track Efficiency
Claims up to 60% better space efficiency than traditional cable distribution
I-Line Busway Rating
Up to 5,000 A copper / 4,000 A aluminium at 600 V
I-Line Busway Types
Both plug-in and feeder busway construction
Canalis Construction
Enclosed intensive-insulation busway with silver-plated copper busbars and dual-layer Mylar insulation
Canalis Rating
Up to 6,300 A feeder runs
Canalis Joint
EZ Joint Pak double-headed bolt fractures at pre-set torque; Belleville spring washers hold clamp force through thermal cycling
Power-Zone
600 V to 38 kV non-segregated phase bus feeder runs up to 6,000 A
Powerbus
100 A, 225 A and 400 A ratings at 600 V
Standards
IEC 60439-2 and UL 857
Installation
Bolt-together factory sections; joints visibly confirmed without a torque wrench
Reconfiguration Caveat
Open-channel systems typically restrict installation on more than 17% of their length — confirm with vendor
Target Workloads
Hyperscale and colocation AI halls, GPU pods above 40 kW per rack, frequent MACs
Overview
Schneider Electric covers both busway architectures under the Square D brand. Canalis and I-Line Busway are enclosed feeds for riser and long horizontal runs — I-Line reaches 5,000 A copper and Canalis up to 6,300 A with silver-plated copper busbars inside a dual-layer Mylar insulation system. I-Line Track, launched in April 2024, is the open-channel counterpart for overhead distribution inside the hall.
The relevance to AI builds is capacity churn. AI halls routinely add or move racks between generations, and I-Line Track's hot-pluggable, self-locking tap-offs can be repositioned without shutting the run down, with Schneider claiming up to 60% better space efficiency than conventional cable distribution. The EZ Joint Pak joint uses a double-headed bolt that shears at the correct torque, so installed joints stay verifiable through thermal cycling.
Key Benefits
Hot-pluggable tap-offs support in-service rack additions and moves, which is the normal cadence of AI cluster growth. Up to 6,300 A of enclosed feeder capacity handles whole-hall load, while torque-verifiable joints reduce hot-spot risk from repeated thermal cycling. UL 857 and IEC 60439-2 compliance simplifies global deployment.
Applications
Hyperscale and colocation AI data halls, GPU pod distribution above rows, riser and feeder runs from switchgear, and facilities that expect frequent moves, adds and changes through the life of the building.
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