40A Track Busway system

T40 Three-Phase Track Busway Outlet Box

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This T40 three-phase breakered outlet box provides an equipment connection directly at the overhead busway. It suits layouts where the machine’s supply cord reaches the run.

Plan the outlet location around plug access and the space needed to service the equipment. Keep the connection accessible when arranging adjacent machines and overhead services.

For 40A Track Busway (40A per feed). T40 identifies the compatible busway system, not this tap-off’s amperage. Select the tap-off’s own current rating, voltage, pole count and protection from its specifications.

Typical T40 system lead time: 3–4 weeks

Planning estimate. Your quote confirms the tap-off shipment schedule.

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Receptacle Type

Catalogue number MD40-4-208-CB20-OB-ST-G

Regular price $402.25 USD
Regular price
$432.25 USD Sale price $402.25 USD
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Documents for your selected tap-off

Product family cut sheets and Revit resources. Check that the document or model covers your selected configuration.

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ETL Listed to UL 857 Busway Standards

For 40A Track Busway system models and configurations covered by the listing.

Three-Phase Tap-Off: Busway Conductor Layout

The cross-section shows phases A and B on the lower deck and phase C on the upper deck, reached through the cord and fitter. Neutral is identified as part of the busway layout. Match the 208V or 480V unit and its receptacle to the system voltage; this conductor-layout reference does not replace the selected receptacle’s terminal wiring diagram.

Double-deck 40A Track Busway conductor layout: upper-deck C reached by a whip, lower-deck A, neutral and B.
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See T40 Three-Phase Track Busway Outlet Box in Action

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Part of the 40A Track Busway System

This breakered outlet box provides a receptacle connection at a compatible 40A Track Busway run. Build the supply path with 40A track busway lengths and the appropriate power feed.

Match the selected tap's voltage, phase connection and breaker rating to the supply and equipment. Use the Track Busway system design guide to plan the complete layout.

Planning equipment additions along a busway run

Map current equipment and likely future stations before finalizing tap-off positions. Record which loads will operate together and where machines need service access; an available connection position alone does not establish spare electrical capacity.

Keep a schedule of installed tap-off catalogue numbers and the equipment they serve. When a workstation changes, review its supply and connection needs before reusing an existing assembly.

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