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Low voltage busway

Product catalog summary

Low Voltage Busway Overview
Eaton's Pow-R-Way III is a low voltage busway system designed for efficient power distribution. It features a lightweight, durable aluminum-extruded housing with a non-ventilated design to prevent moisture and dust penetration. The busway includes full-sized conductor tabs for plug-in applications, enhancing contact surfaces and heat dissipation.

Key Features and Benefits

Superior housing design with a true sandwich design for improved performance.
Epoxy insulation for phase and neutral bars, ensuring high-quality protection.
Pow-R-Bridge joint package for quick installation and future modifications.
Grounding and neutral options to meet various customer needs, including a 200% capacity neutral bar for handling harmonics.

Technical Specifications

Tested to 6-cycle standards with ratings from 85 kA to 200 kA rms symmetrical.
Available in various configurations, including plug-in and feeder busway sections.
Standard and flush flanges for direct connection to switchgear and other apparatus.

Installation and Application

Includes a range of fittings for indoor and outdoor applications, such as flanges, elbows, and tap boxes.
Special angle elbows and corner joint elbows for flexible routing in limited spaces.
Expansion joints to accommodate thermal expansion and contraction.

Product Support and Standards

Complies with relevant standards and certifications for safety and performance.
Comprehensive product support available for installation and maintenance.

Single-Phase and Three-Phase Transformer Taps
Single-phase transformer taps are used for connections to three single-phase transformers, while three-phase transformer taps are used for connections to a three-phase transformer. Both types do not include drilling or lugs in the bus extensions.

In-Line Power Takeoff (PTO)
The document describes various in-line PTO options, including the Main Circuit Breaker PTO with trip ratings from 300 A to 1200 A, and the Main Fusible Switch PTO available with 400, 600, and 800 A switches. An unprotected PTO option is also available with a 1200 A horizontal cross bus.

Offsets
Offsets are used to avoid obstacles and conform to building structures, consisting of two elbows fabricated into a single fitting.

Pow-R-Way III Busway System
The Pow-R-Way III system offers adapters for integrating modern technologies into existing busway systems, including energy monitoring and surge suppression. It provides flexible and energy-efficient electrical distribution solutions for various applications such as data centers, retail, schools, and industrial environments.

Receptacle Plug-In Units
These units are available in various configurations, including fused duplex, single, and quad receptacle plug-in units, offering features like fuse protection and different voltage and phase options.

Surge Protective Devices (SPD)
The SPD plug-in devices protect against external and internal transients and filter electrical line noise, enhancing the reliability and lifespan of electronic equipment.

IQ Energy Sentinel Bus Plugs
The IQ Energy Sentinel is a metering module for energy monitoring and demand management, offering communication capabilities and system accuracy benefits.

Ground Detector/Neutralizer Bus Plug
This device discharges static electricity in busway systems using resistors and a neon lamp to indicate system shorts.

Combination Starter Bus Plugs
These include Eaton's Freedom and Advantage motor starters, offering features like overload protection and communication capabilities.

Pow-R-Way III Express Bus
The Express Bus program provides quick delivery of busway components, with options for indoor plug-in and feeder busway, corner joints, tap boxes, and bus plugs.

Corner Joint Elbows
The Pow-R-Way III corner joint elbow offers a compact design for efficient space utilization in complex distribution systems.

Overview: The document provides detailed information about Eaton's Pow-R-Way III low voltage busway system, designed to meet global standards and applications in industrial, commercial, and institutional settings. It integrates NEMA, UL, CSA, and IEC requirements into a single design.

Product Offering:

Plug-In Busway: Available in copper (225–5000 A) and aluminum (225–4000 A) with lengths from 2 ft to 10 ft. It is also sprinkler-proof.
Feeder Busway: Similar ratings as plug-in busway, available for indoor and outdoor use, with lengths from 16 inches to 10 ft.
Plug-In Units: Includes standard units with fusible or circuit breaker protection and advanced units with surge suppression and communication capabilities.

Features and Benefits:

Durable two-piece aluminum housing and finger-safe plug-in outlets.
High short-circuit withstand ratings and epoxy insulation for protection.
Silver-plated joint surfaces for quality connections.
Automated manufacturing for superior product quality.
Flexible installation options with corner joint elbows and high short-circuit ratings.

Standards and Certifications: The Pow-R-Way III meets various standards including NEMA, UL 857, CSA, IEEE, ANSI, and IEC, and is manufactured in an ISO 9001 certified facility. It also complies with International and California Building Codes.

Product Support and Additional Programs:

Support from Eaton's professional team including field sales and application engineers.
Final Field Fit program for managing dimensional uncertainties and ensuring exact fit.
Field Measurements service for complex projects.

Catalog Number Selection: Detailed guidelines for selecting catalog numbers for various configurations of breaker units, fusible units, and plug-in units, including options for neutral and ground configurations.

Product Selection: Information on circuit breaker and fusible plug-in units, including catalog numbers and configurations for different amperage ratings and ground options.

Special Plug-In Units: Includes plug-in cable tap box units and combination starters and contactors, with catalog numbers for different configurations.

Overview: The document provides detailed technical specifications and configurations for Eaton's Pow-R-Way III Low Voltage Busway systems, including both plug-in and feeder busways. It covers various aspects such as ratings, construction, busbars, joints, housing, and plug-in units.

Specifications:

Busway Types: Available in three-phase, three-wire, and four-wire configurations with options for 50% or 100% neutral and ground connections.
Short-Circuit Ratings: Ranges from 85 kA to 200 kA rms symmetrical depending on the ampere rating, with specific ratings for copper and aluminum busways.
Construction: Busways are constructed with aluminum or copper conductors enclosed in extruded aluminum housing, suitable for various mounting orientations without derating.

Procedures and Installation:

Bus Joints: Feature a single-bolt, non-rotating bridge design with torque-indicating bolts for easy installation without a torque wrench.
Plug-In Units: Available in standard lengths with plug-in openings on both sides. Units are interlocked to prevent installation or removal when the switch is on.

Standards and Ratings:

IEC 60529 IP Ratings: Provides protection levels for different busway types, including IP40 for indoor and IP66 for outdoor feeder busways.
UL and IEC Ratings: Detailed configurations and ratings for both copper and aluminum busways, ensuring compliance with UL 857 and IEC 439 standards.

Recommendations:

Ensure proper installation and alignment of plug-in units using mechanical guides to prevent improper installation.
Utilize surge protective devices as specified to enhance system protection.

Key Data from Tables:

Busway Ratings: Copper busways range from 225 to 5000 A, while aluminum ranges from 225 to 4000 A.
Interrupting Ratings: Circuit breakers have varying interrupting ratings, with some capable of up to 200 kAIC at 240 Vac.

Overview: The document provides detailed information about Eaton's Pow-R-Flex Low Voltage Busway system, designed for flexible and efficient electrical distribution in various applications. It highlights the product's specifications, features, and benefits, as well as installation and safety guidelines.

Specifications: Pow-R-Flex busway systems are available in both aluminum and copper, with ampere ratings ranging from 150 to 600 A. The system supports plug-in and feeder busway configurations, with short-circuit ratings tested to 3-cycle standards, achieving ratings between 22 kA and 42 kA rms symmetrical.

Product Features: The busway features an extruded aluminum housing, mechanical shutters, and an integral ground path. It is designed to meet NEMA, UL, and CSA standards, offering high durability and easy installation. The system includes a variety of plug-in units with overcurrent protection and advanced metering options.

Installation and Accessories: The document outlines the availability of various fittings such as elbows, tees, and expansion joints to accommodate different routing requirements. It also describes the use of wall flanges and vapor-fire barriers for safety and aesthetic purposes.

Safety and Standards: Pow-R-Flex meets multiple safety standards, including NEMA, UL 857, and CSA C22.2, and is manufactured in an ISO 9001 certified facility. The system is designed with safety features such as line-side barriers and positive ground contact to ensure user protection.

Applications: The busway system is suitable for a wide range of environments, including data centers, retail spaces, and educational institutions, providing flexible power access and easy installation.

Support and Services: Eaton offers comprehensive support through field sales engineers and application engineers. Additional programs like the Final Field Fit and Field Measurements ensure precise installation and accommodate last-minute changes.

Conclusion: Eaton's Pow-R-Flex Low Voltage Busway system is a versatile and reliable solution for modern electrical distribution needs, offering robust performance, safety, and flexibility across various applications.

Specifications:
The document outlines specifications for various electrical components including circuit breakers, receptacle units, and busway systems. It details the configurations and voltage ratings for Type F-Frame bolt-on molded case circuit breakers, which are available in single-pole, two-pole, or three-pole configurations. Receptacle units are available in single, double, and quad configurations, with specific voltage ratings and cord drop lengths.

Procedures:
Installation procedures for receptacle units and busway systems are described, including the use of cord drops and plug-in cable tap boxes. The document advises consulting NEC Sections 368, 400, and 645 for cord drop applications.

Standards and Ratings:
The document specifies the ratings for copper and aluminum busways, including short-circuit ratings and construction details. It also outlines the requirements for plug-in busway systems, including the use of mechanical interlocks and safety features.

Recommendations:
Recommendations include the use of surge protective devices and electronic power meters for monitoring power utilization. The document suggests using Eaton IQ250/260 electronic power meters for accurate power monitoring.

Key Data from Tables:
The document includes tables detailing catalog numbers, ampere ratings, and dimensions for various components. It specifies the physical dimensions of busbars and housing for different ampere ratings, providing detailed measurements for both aluminum and copper conductors.

Critical Information:
Important information includes the need for proper installation of busway joints using SmartBolt® technology, ensuring correct tension without a torque wrench. The document emphasizes the importance of using UL-listed components and adhering to NEC standards for safety and compliance.

Catalog excerpts

Low Voltage Busway Pow-R-Way III Upward Elbow Pow-R-Way III Pow-R-Way III Busway Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Features, Benefits and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . Standards and Certifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Product Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Catalog Number Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Product Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Technical Data and Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 A Busway 100 A Busway Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Application Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Product Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Options and Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Technical Data and Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . Pow-R-Flex Pow-R-Flex Busway Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Features, Benefits and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . Standards and Certifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Technical Data and Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Learn Online

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Volume 2—Commercial Distribution, CA08100003E Tab 6—Low Voltage Busway Revision date Section Change page(s) Description 02/08/2018_All_AN_Revision date changed to February 2018 Powering Business Worldwide

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Low Voltage Busway Pow-R-Way III Pow-R-Way III Busway Features, Benefits and Functions . . . . . . . . . . Standards and Certifications . . . . . . . . . . . . . . Product Support. . . . . . . . . . . . . . . . . . . . . . . . Catalog Number Selection . . . . . . . . . . . . . . . . Product Selection. . . . . . . . . . . . . . . . . . . . . . . Technical Data and Specifications . . . . . . . . . . Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . Product Description Superior Housing Design and a True Sandwich Design Maximize Busway Performance Eaton’s Pow-R-Way III® is constructed...

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Low Voltage BuswayPow-R-Way III A Space-Saving Innovation— The Corner Joint Elbow The Pow-R-Way III corner joint combines the features of the Pow-R-Bridge with reduced elbow leg lengths. Due to its compact design, the corner joint allows for layouts that provide optimum use of space and increases available plug-in openings. Enhanced Bus Plug Design Facilitates Installation and Improves Safety Pow-R-Way III plug-in protective devices are available in circuit breaker and fusible switch designs. Standard features include: oversized enclosures, extended ground and neutral bars, line side barriers,...

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Low Voltage BuswayPow-R-Way III General Information • Determine the total footage, all fittings and accessories for entire busway run. Price the total footage by type and system requirements. Round footage up to the nearest foot. Add the fabrication charge for the fittings. Add any additional accessories required for the total price of the busway run • See NEC 364.11 for Reducer Application • Fusible reducers are 600 V maximum; fuses are not included Transformer Connections • Transformer tap bus extensions do not include drilling or lugs • Transformer throats include flexible connectors Commercial...

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Pow-R-Way III Traditional Indoor and Outdoor Elbows Elbows are used to make 90° changes in the direction of busway runs. The four types that are available are forward, rearward, upward and downward. Corner Joint Elbows The Pow-R-Way III corner joint elbow can be installed in areas where a traditional 90° turn could never have been accomplished before. Pow-R-Way III corner joint elbows can solve any serious pathway problem and contribute to successful layouts with minimal space requirements. The corner joint elbow is UL listed for indoor applications only and is also certified for seismic withstand...

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Low Voltage BuswayPow-R-Way III Crosses A cross is a busway fitting suitable for connection in four directions. It is applied when a bus run must branch off in three directions, all in the same plane. End Cable Tap Box End cable tap boxes are used to feed a run of busway with cable and conduit or where loads served by busway are connected without the need for overcurrent protection. Center Cable Tap Box Center cable tap boxes are used to center feed a run of busway with cable and conduit or where loads served by the busway are connected without the need for overcurrent protection. Weatherheads...

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Low Voltage BuswayPow-R-Way III Three-Phase Transformer Taps Three-phase transformer taps are used when making connections to a three-phase transformer. The bus extensions do not include drilling or lugs. Transformer Flange Connections Transformer flange connections are used when making a connection to a dry-type substation transformer. Transformer flange connections include flexible connectors between the transformer low voltage spades and the Pow-R-Way III flange busbars. Single-Phase Transformer Taps Single-phase transformer taps arrangements are used for connections to three single-phase...

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Low Voltage BuswayPow-R-Way III Pow-R-Way III Adapters A complete line of adapters are available to enable the user to add to existing old-line Westinghouse® or obsolete Cutler-Hammer® bus runs with the Pow-R-Way III design. The specific Westinghouse product lines are low impedance busway, current-limiting busway, Pow-R-Way and Pow-R-Way II. The obsolete Cutler-Hammer designs are CP2, CP3 and CP4 Safetybus. The adapters allow the incorporation of present-day technologies, available in Pow-R-Way III plug-in units, into existing busway systems. State-of-the-art features such as energy monitoring,...

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