Close-up view of the busbar section of the sandwich busway
Voltecon – A Reliable Supplier of Electrical Distribution Products
Sandwich Busway

Sandwich Busway for High-Density Power Distribution

In high-current transmission environments, traditional multi-cable installations typically occupy substantial space and increase complexity in cable management and future maintenance.

Voltecon sandwich busway systems use a dense conductor arrangement and laminated insulation to consolidate scattered transmission paths into a compact busway structure, creating a neater overall power distribution pathway and improving space efficiency. They are ideal for installations that require high-density power delivery and long-term reliable operation.

Three sandwich busway components with distinct functions
Features
Lightweight Construction

An aluminum alloy housing with a compact design facilitates easier installation and space management compared with traditional cables and conduits.

Flexible Pathways

Routing can be configured according to building layouts, obstacles, and site conditions, making it suitable for complex power distribution paths.

Reliable Connections

Epoxy insulation technology, combined with a polarized error-proof structure, enhances conductor protection and connection reliability.

High-Efficiency Power Transmission

Lower voltage drop compared with equivalent cable and conduit systems helps improve electrical energy utilization efficiency.

Types
A section of compact straight busbar
Straight Elements

Straight components are available in various versions for high-power transmission and distribution, including tap-off outlets.

Sandwich busway elbow for changing transmission direction
Elbows

Elbows are designed for direction changes and are available in standard and special versions, with factory-pre-installed monolithic sleeves at connection points.

Sandwich busway feeder unit
Feed Units

Power supply units are available in standard versions or variants adapted for vertical power lines and riser mains.

Connection interface between sandwich busway and other equipment
Connection Interfaces with Exit Bars

Used at the line end to connect the busbar to a switchboard or transformer.

Plug-in enclosure mounted on sandwich busway
Tap-Off Boxes

Tap-off boxes connect and supply electrical loads, with enclosure options in 25% fiberglass-reinforced plastic or sheet metal casing.

Two directional changes for power transmission in sandwich busway
Vertical and Horizontal Double Elbow

Elbow structure enabling simultaneous vertical and horizontal directional changes.

Power tap point on sandwich busway
Tap-Off Outlet

The outlets and system have an IP55 degree of protection and support the installation of fiberglass-reinforced plastic tap-off boxes in addition to metal versions.

Connection unit between two sections of sandwich busway
New Monobloc

In dual or triple-set configurations, the monobloc unit helps ensure current balance on the same conductor.

Plug-in enclosure with circuit breaker protection on sandwich busway
Tap-Off Box Equipped with Automatic Circuit Breakers

A plug-in enclosure that integrates branch power tapping and circuit protection into a single structure.

Power branching from the main trunk of sandwich busway to the side
Horizontal T Element

A T-shaped component used for horizontal branch connections in busbar lines.

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Technology

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FAQs

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