Non-Segregated Phase Bus Duct - Eaton

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Non-segregated phase bus ductNon-segregatedphase bus duct

Eaton non-segregated phase bus ductNon-segregated phasebus duct offers a full rangeof products to meet manydiverse applicationsFor over 30 years, Eaton’snon-segregated phase bus ducthas been designed to meetspecific installation requirementsfor reliable power distribution.Typical of such applicationsare the connections fromtransformers to switchgearassemblies in unit substations,connections from switchgearassemblies to generators,and tie connections betweenswitchgear assemblies.Non-segregated phase busduct is an assembly of busconductors with associatedconnections, joints andinsulating supports confinedwithin a metal enclosure withoutinter-phase barriers. Because ofits compact dimensions, relativelight weight and user-friendlydesign, non-segregated phasebus duct is easy to install.Product offering 1200–5000A ratedcontinuous current 600V–38 kV ratedmaximum voltage 40–63 kA symmetricalshort-circuit withstand 10–17 kV impulse withstand Straight sections of indooror outdoor bus duct areavailable in any length in1/8-inch increments froma 24.00-inch (609.6 mm)minimum to a 96.00-inch(2.4 m) maximum.A wide range of fittingsare available for indoorand outdoor bus ductProduct features and benefits Standard 11 gauge aluminumhousing provides durabilityand product integrity;steel and stainless steelalso available Standard finish (inside andout) is a baked-on epoxypowder coating, whichprovides excellent mechanicalstrength, is scratch resistantand resists chalking causedby ultraviolet rays 98% conductivity copperwith all joint surfaces silverplated to ensure maximumconductivity through the joint Innovative joint design allowseach horizontal joint to expandand contract up to 0.50 inch(12.7 mm), ensuring a reliableinstallationThe non-segregated phasebus duct manufacturingfacility in Greenwood, SC, isable to meet your emergencyor quick-ship lead-times fromtwo days to three weeks Customer approval drawingscan be available in two weeksor less to meet your projectrequirements Eaton’s Final Field Fit programensures accurate layoutand allows for minor lastminute modificationsduring installation Advanced system tools,including Bid Manager,ProDesignE, and AutoCADT,provide quick and accurateinformation as well ashelp meet your customrequirementsProduct support Product design andmanufacturing meetsrequirements of NEMA,TANSI/IEEE,T ISO and CSAT;also seismic-certified for theUniform Building Code (UBC)and California Building Code A full family of fittings andaccessories to meet anyapplication requirementsAdditional information EATON CORPORATION Non-segregated phase bus duct Non-segregated phase busduct product and applicationsupport is available from aprofessional team of Eatonemployees that includes fieldsales engineers, applicationengineers, engineering serviceand Greenwood bus ductproduct engineers. 2An epoxy insulation processensures optimum conductorprotection, reducing thepossibility of corona andelectrical trackingBus duct capabilitiesHigh two-second short-circuitratings optimize coordinationbetween bus duct andpower equipmentTechnical DataTD01702001EEasy installation allows fora lower installation cost incomparison to power cableConsulting Application GuideCA08104001EDistribution Products CatalogCA08101001E

Lightweight enclosures with built-in features for easy installationHousing designEnclosures are fabricated from 11-gauge aluminum as standard.Eleven-gauge mild steel and stainless steel are available uponrequest. Enclosures are welded for maximum rigidity. Removablecovers are secured with bolts for ease of access when making jointsand subsequent periodic inspections.Enclosures are painted with a baked-on polyester powder coat paintsystem resulting in a very durable finish with uniform thickness andgloss. This cosmetically pleasing finish minimizes the risk of problemsin harsh environments. The standard color is ANSI-61 light gray.Special paint colors are available upon request.The housing is designed with 0.50-inch adjustability at the joint(0.25-inch more or less than nominal). To make these adjustments,remove the two nominal position screws and loosen thetwo 0.375-16 bolts on the adjustable angle. The adjustable angle,collar, and busbars are slotted to allow movement. Adjustmentavailable on horizontal joints only.Enclosures for outdoor applications are supplied with a neoprenegasket. The gasket is applied under the collar and around the cutoutof the top access cover (when provided). Rubber washers areprovided with the collar hardware and top access cover hardware.Housing Assembly0.312 – 18 x 0.875(7.9 x 22.2)Hex Steel Bolt0.312 (7.9) Weather SealWasher (Steel)Weather SealWasher NEOP.(Outdoor Only)Collar0.125 TK x 3.00(3.2 x 76.2) WideGasket onInside of Collar(Outdoor Only)Tinnerman NutJoint Collar AssemblyEATON CORPORATION Non-segregated phase bus duct 3

Epoxy insulation provides exceptional performanceBusbar insulation systemBusbars are fabricated from high-strength, 98% conductivity copper.The phase and neutral bars are insulated with a Class B, 130 C,epoxy insulation applied by an automated fluidized bed process.This application insulates the conductors in a precisely definedand controlled manner to ensure a smooth, continuous, anduniform thickness.The busbars undergo a series of pre-treatment processes, whichcleans them to enhance bonding of the epoxy powder. Thepre-treatment stage also helps to prevent any contamination ofpowder. After pre-treatment, the bars are submerged in a two-station water bath to rid them of any abundance of the chemicals usedin the pre-treatment process. After the cleaning is complete, thebars are preheated uniformly in an air-circulating oven to enable theepoxy powder to melt and fuse to the busbars.The epoxy powder is applied over the full length of the preheatedbar except for the joint and contact surfaces. After the epoxy hasbeen allowed to gel and fuse to the busbars, they enter a cure oven.This ensures that all the epoxy cross-links and hardens to the bars.The consistent thickness and smooth surface of the epoxy providesa high-quality insulation with a 50-year life cycle. The fluidized bedprocess also provides excellent edge coverage to the bars. Epoxyprovides optimum resistance to water absorption and chemicalerosion. It has excellent dielectric strength, is flame retardant,and resists impacts that other Class B insulating material cannotwithstand. Epoxy has outstanding heat transfer characteristics.The preheated copper bars are shown prior to immersion in theepoxy powder.All phase and neutral bars receive a coating of Class B, 130 C, epoxyinsulation applied by a fluidized bed process. The copper feeder barsare shown being withdrawn from the bed and sent to a cure oven.Highly durable silver-platingSilver-plating is applied to all joint and contact surfaces. Tin-platingis also available. Copper bars are silver-plated by a flashing process.Silver-plating provides an extremely durable contact surface for eachsplice joint.4EATON CORPORATION Non-segregated phase bus duct

High short-circuit and withstand ratingstrack-resistant, flame-retardantpolyester supports. Porcelainsupports are availableupon request.Bar designAll conductors are 98%conductivity copper bars. Eachconductor for 2400V serviceand above is insulated witha fluidized bed epoxy coatingthroughout, which reducesthe possibility of corona andelectrical tracking. Insulating600V is available upon request.Bus joints are made by solidlybolting busbars together withsplice plates on each side. Alljoint surfaces are silver-platedas standard to ensure maximumconductivity through thejoint. Tin-plating is availableupon request.The conductors are adequatelyseparated and insulated fromeach other using non-hygroscopic,After bolting, each standardjoint is covered by a preformed,flame-retardant insulating boot,providing full insulation for busconductors. These boots areeasily removable for inspectionof the joints at any future time.Copper bar onlyAvailable options Fluidized epoxy insulation Silver-plating Tin-plating Piercing per customerspecification Bend per customerspecification (90 –180 )Custom-made copper conductorsare available. See Technical DataTD01702001E page 4 foravailable bar sizes.Available Non-Segrated Bus Ratings per ANSI/IEEE Standards C37.23-1987Rated Short-TimeShort-CircuitWithstand Current(kA rms Symmetrical)Rated MaximumVoltage kV rmsRated PowerFrequency HzPower FrequencyWithstand 1 min.Dry, kV rmsImpulse Withstand( 1.2 x 50 microsec)kV PeakRatedContinuousCurrent 2002000300032001200200012002000Rated MomentaryShort-CircuitWithstand Current10 Cycle B2 sec1 sec AkA PeakkA 100.840—1086440—10464A This is a value calculated from two second short-circuit current withstand rating based on relationship l2t constant.B For 600V application, four-cycle momentary current withstand rating up to 158 kA peak (98.8 kA rms asymmetrical) is also available.EATON CORPORATION Non-segregated phase bus duct 5

A complete line of accessories for indoor and outdoor applicationsAccessoriesFlangeConnects non-segregatedphase bus to medium voltageswitchgear, medium voltagemotor control centers, lowvoltage switchgear, low voltageswitchboards, and low voltagemotor control centersColumn supportUsed to support outdoor runs;normally consists of a singlestructural column with acrossbeam, which is boltedto brackets provided on thebus housing (Eaton providesthe brackets only)Phase transpositionCan be provided within the busrun system to align phasing ofterminal equipment at two endsSpace heaterProvided on outdoor busruns for use with customersupplied 120 Vac (or 240 Vac)power supply; energizedcontinuously, or optionalthermostat control availableElbowUsed to turn the bus run by 90 TeeUsed for three-directionalconnectionsOffsetUsed to avoid obstaclesExpansion jointProvided in runs longer than50 feet to accommodate thermalexpansion of bus conductorswith respect to the enclosureWall flangeProvided when a bus run passesthrough a wall or floorTransformer throatUsed when making connectionsto transformers; includes amatching flange and requirednumber of flexible copper braidsfor connections to transformerbushing terminal padsSeismic applicationBus run assemblies aredesigned to meet UniformBuilding CodeT (UBC) andCalifornia Building Code Title 24for Seismic Zones 4.3.2a.2b.1and 0; complete guidelines forproper supports are provided oneach seismic-specified orderThermostatsTwo options available for controlof space heaters: fixed ornon-adjustable to providecontinuous heat, and adjustablefor controlled heat up to 110 FVapor barriersProvided as specified to preventmoisture and air from passingthrough the bus ductFire barriersCome with vapor barriers anduse fire-stop foam to provide1-, 2- or 3-hour fire barrierCable tap boxUsed for cable connectionsto the bus runBushing boxUsed to connect bus duct to anoutside source such as a powerstation or cable connectionlocated outdoorsHorizontal hangerProvided on indoor runs andattached to the existing buildingstructure through the useof 5/8-inch diameter drop rods6EATON CORPORATION Non-segregated phase bus duct

Configurable in multiple combinations to complete any systemEngineered-to-order and custom-built to meet customer-driven solutionsFloorFlangeThru FloorHorizontal FeederHorizontal TeeDownwardElbowEnclosure toEnclosure FlangeHardwareCollarOutdoorBushing BoxExpansion JointUpward sformerBrackets byEatonEnd Cable Tap BoxForward/RearwardElbowSealingRingUpwardElbowThru WallEnclosure toSwitchgear HardwareWallFlangeInternalSwitchgear FlangePhase TranspositionT Beamsby CustomerHorizontal erHangerAnglesEATON CORPORATION Non-segregated phase bus duct 7

Eaton’s Electrical Sector isa global leader in powerdistribution, power quality,control and automation, andmonitoring products. Whencombined with Eaton’s full-scaleengineering services, theseproducts provide customerdriven PowerChainE solutionsto serve the power systemneeds of the data center,industrial, institutional, publicsector, utility, commercial,residential, IT, mission critical,alternative energy and OEMmarkets worldwide.PowerChain solutions helpenterprises achieve sustainableand competitive advantagesthrough proactive managementof the power system as astrategic, integrated assetthroughout its life cycle,resulting in enhanced safety,greater reliability and energyefficiency. For more information,visit www.eaton.com/electrical.Eaton CorporationElectrical Sector1111 Superior Ave.Cleveland, OH 44114United States877-ETN-CARE (877-386-2273)Eaton.com 2010 Eaton CorporationAll Rights ReservedPrinted in USAPublication No. BR01702001E / Z10442November 2010PowerChain Management is a registeredtrademark of Eaton Corporation.All other trademarks are property of theirrespective owners.

epoxy powder. Highly durable silver-plating Silver-plating is applied to all joint and contact surfaces. Tin-plating is also available. Copper bars are silver-plated by a flashing process. Silver-plating provides an extremely durable contact surface for each splice

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