Busway/Busbar Trunking System Product
A modular electrical distribution system with prefabricated busbar sections, tap-off units, and connectors delivering power efficiently throughout large buildings or industrial plants. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
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Bill of materials
7 top-level lines · 30 rows shown · 520 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Busbar Section Array 4 parts | busway-system-busbar-sections | 10× | 10 | 7 | assembly |
| 1.1 | Individual Busbar Conductor | busway-system-busbar-phases | 4× | 40 | — | part |
| 1.2 | Insulation Spacer | busway-system-phase-spacers | 1× | 10 | — | part |
| 1.3 | Busbar Duct Outer Shell | busway-system-busbar-enclosure | 1× | 10 | — | part |
| 1.4 | Arc Pressure Relief Valve | busway-system-pressure-relief | 1× | 10 | — | part |
| 2 | Joint Connector Assembly 3 parts | busway-system-joint-packs | 10× | 10 | 9 | assembly |
| 2.1 | Phase Contact Connector | busway-system-phase-connectors | 4× | 40 | — | part |
| 2.2 | Spring Washer | busway-system-connector-spring | 4× | 40 | — | part |
| 2.3 | Alignment Dowel Pin | busway-system-alignment-pin | 1× | 10 | — | part |
| 3 | Tap-Off Units 4 parts | busway-system-tap-off-units | 12× | 12 | 4 | assembly |
| 3.1 | Tap Load Break Switch | busway-system-tap-isolator-switch | 1× | 12 | — | part |
| 3.2 | Tap Terminal Block | busway-system-tap-connector-block | 1× | 12 | — | part |
| 3.3 | Tap Transformer (Optional) | busway-system-tap-transformer | 1× | 12 | — | part |
| 3.4 | Tap Circuit Breaker | busway-system-tap-circuit-breaker | 1× | 12 | — | part |
| 4 | Terminal/Feed Connectors 3 parts | busway-system-end-feeds | 2× | 2 | 3 | assembly |
| 4.1 | Main Input Connector | busway-system-input-connector | 1× | 2 | — | part |
| 4.2 | Main Output Connector | busway-system-output-connector | 1× | 2 | — | part |
| 4.3 | Ground Connection Lug | busway-system-ground-lug | 1× | 2 | — | part |
| 5 | Hanger and Support Hardware 3 parts | busway-system-hangers-supports | 20× | 20 | 15 | assembly |
| 5.1 | Ceiling Hanger Bracket | busway-system-ceiling-bracket | 8× | 160 | — | part |
| 5.2 | Vibration Isolation Pad | busway-system-vibration-damper | 1× | 20 | — | part |
| 5.3 | Lateral Alignment Guide | busway-system-alignment-clamp | 6× | 120 | — | part |
| 6 | Enclosure and Dielectric System 4 parts | busway-system-insulation-system | 1× | 1 | 4 | assembly |
| 6.1 | Outer Duct Enclosure | busway-system-outer-duct | 1× | 1 | — | part |
| 6.2 | Insulating Medium | busway-system-dielectric-medium | 1× | 1 | — | part |
| 6.3 | Duct Gasket Seal | busway-system-insulation-gasket | 1× | 1 | — | part |
| 6.4 | Pressure Gauge or Monitor | busway-system-pressure-monitor | 1× | 1 | — | part |
| 7 | Thermal Expansion Joint 2 parts | busway-system-thermal-expansion | 1× | 1 | 2 | assembly |
| 7.1 | Expansion Bellows Joint | busway-system-expansion-bellows | 1× | 1 | — | part |
| 7.2 | Expansion Guide Block | busway-system-guide-block | 1× | 1 | — | part |
Sourcing — likely vendors
Companies that make this · indicative price $5k–$50M · MOQ & lead are typical| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| gevernova.com ↗ | Cambridge, US | Power generation | made to order | 20–40 wks |
| siemens-energy.com ↗ | Munich, DE | Power & grid | made to order | 20–40 wks |
| hitachienergy.com ↗ | Zurich, CH | Grid & transformers | made to order | 20–40 wks |
| 🇨🇭ABB abb.com ↗ | Zurich, CH | Electrification & automation | made to order | 20–40 wks |
| se.com ↗ | Rueil-Malmaison, FR | Electrical & automation | made to order | 20–40 wks |