LS Busway
Product Portfolio
Low-Voltage Busway Systems
Ex-Way
Totally enclosed, non-ventilated sandwich design for high-density power distribution. Two-piece extruded aluminum housing with copper or aluminum conductors.
| ≤ 600 V AC | 630–6000 A | 150 kA | NEMA 1 / 3R | Cu / Al | UL 857 |
| Voltage | Current | SCCR | IP | Conductor | Standard |
Data-Way (UL)
Purpose-built for data center overhead power distribution with hot-swappable tap-off boxes. Rapid deployment, zero downtime maintenance.
| ≤ 600 V AC | 250–800 A | 65 kA | NEMA 1 | Cu | Hot-swap |
| Voltage | Current | SCCR | IP | Conductor | Tap-off |
DC-Way (UL)
DC busway for battery storage and EV charging infrastructure. UL listed.
| UL listed |
Battery storage / |
| Status | Application |
Medium-Voltage Busway Systems
NSPB MV
Advanced medium-voltage power distribution with epoxy cast-resin insulation. Compact, space-efficient design for indoor and outdoor environments.
| 3.3–36 kV | 630–5000 A | 50 kA / 1s | IP65 | Cu / Al | IEC 62271 |
| Voltage | Current | SCCR | IP | Conductor | Standard |
CR-Way MV
Waterproof, fireproof, explosion-proof MV busway with fully enclosed cast epoxy resin insulation. Designed for the harshest environments — refineries, tunnels, offshore.
| 3.3–36 kV | 630–5000 A | 50 kA / 1s | IP68 | Cu / Al | IEC 62271 |
| Voltage | Current | SCCR | IP | Conductor | Standard |
Busway Components & Accessories
Product Comparison
| Parameter |
Ex-waySandwich · LV |
Data-wayTrack · LV |
NSPB MVNon-seg · MV |
CR-Way MVCast Resin · MV |
|---|---|---|---|---|
| Electrical | ||||
| Rated Voltage | ≤ 600 V AC | ≤ 600 V AC | 3.3 – 36 kV | 3.6 – 36 kV |
| Rated Current | 630 – 6000 A | 250 – 800 A | 630 – 5000 A | 630 – 5000 A |
| Short-Circuit (1s) | 150 kA | 65 kA | 50 kA | 50 kA |
| Frequency | 50 / 60 Hz | 50 / 60 Hz | 50 / 60 Hz | 50 / 60 Hz |
| Mechanical | ||||
| Construction | Sandwich | Track | Non-Segregated | Cast Resin |
| Conductor | Cu / Al | Cu | Cu / Al | Cu / Al |
| Housing | Extruded Al | Steel track | Al enclosure | Cast resin |
| IP Rating | IP54 (NEMA 1/3R) | NEMA 1 | IP65 | IP68 |
| Environment & Safety | ||||
| Waterproof | — | — | Outdoor rated | Yes (IP68) |
| Fireproof | — | — | — | Yes |
| Explosion-Proof | — | — | — | Yes |
| Seismic (IEEE 693) | High | — | High | High |
| Ambient Range | –5 to +40 °C | 0 to +40 °C | –25 to +55 °C | –25 to +55 °C |
| Compliance | ||||
| UL 857 | — | — | — | — |
| IEC 61439-6 | — | — | — | — |
| IEC 62271 | — | — | — | — |
| NEMA BU 1.1 | — | — | — | — |
| Best For | ||||
| Primary Applications | General-purpose LV distribution | Data center overhead | MV substations & risers | Harsh / hazardous MV |
| Full Specs | Full Specs | Full Specs | Full Specs | |
Upcoming Products
LT-Way
Lighting track busway for commercial and retail applications.
NSPB LV
Low-voltage non-segregated phase bus. ≤ 1000 V AC, up to 4000 A.
Data-Way Tap Off Box
Next-gen hot-swappable tap-off for Data-Way track systems.
Get notified when new products launch
Technical FAQ
What is the lead time for custom busway lengths?
Do you offer on-site installation supervision?
Can LS Busway be installed outdoors?
Need Help Specifying?
Our application engineers can help you select the right busway system, provide layout
assistance, and generate a project-specific quotation.




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