40A Track Busway system
40A Three-Phase Track Busway Outlet Box
Specifications
| Phase | Three-Phase |
|---|---|
| Voltage | 600V |
| Amperage | 20A |
| Pole Count | 3 |
| NEMA | L15-20, L16-20 |
The Breakered Outlet Box is designed for seamless integration with 3-phase power
systems, offering a flexible solution for overhead power distribution.
Designed for up to 40A per phase systems, it features track busway fittings for (2) lower deck phases, and cord with Fitter for the third phase on the top deck.
Factory-installed 3 phase circuit breakers provide safety and reliability, making it possible to disconnect this high-capacity system.
Readily available in galvanized finish.
Catalogue #: MD40-4-208-CB20-OB-ST-G
Couldn't load pickup availability
ETL Listed to UL 857 Busway Standards
For 40A Track Busway system models and configurations covered by the listing.
Technical Downloads
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.

See 40A Three-Phase Track Busway Outlet Box in Action
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.

Simplify Overhead Power
Track Busway transforms open ceiling spaces with an innovative system that eliminates traditional overhead power structures, simplifying installations while maximizing flexibility.
Pre-Wired Power Infrastructure: Deliver branch-circuit power exactly where it’s needed using pre-wired Track Busway lengths. Power drops can be added, moved, or reconfigured without rewiring to support evolving layouts.
Plug-and-Play Power Access: Tool-free, plug-in power taps with multiple receptacle options provide fast, reliable access to overhead power while maintaining code-compliant distribution.
Overhead Power DistributionExplore Applications & Projects →Track Busway is a scalable, adaptable overhead power distribution solution designed to support changing equipment layouts and long-term system growth.