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XJ-L Selection & Application Guide
BUSWAY SYSTEMS
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Overview
XJ-L Busway is well known forits outstanding performance,providing convenient, cost-effective power distribution forhigh-tech environments,computer centers, laboratories,and other applicationsrequiring consistent, qualitypower distribution. Key XJ-Ldesign features includeoptional isolated ground andampere ratings of 100A and200A. For maximumavailability, XJ-L Busway ismaintained as a stock productto meet your quick shiprequirements.
As a result, XJ-L Busway is an intelligentchoice for contractors and usersconcerned with designing superiorelectrical distribution systems. Thecompact design is ideal for working areasin computer manufacturing, laboratoryor test facilities, schools, hospitals, andmachine shops.
With XJ-L Busway, you get an exclusive,optional isolated ground design thatensures clean power. Unlike bonded
ground designs that may convey surgesfrom one electrical device to another, theXJ-L optional isolated ground system iswell suited for sensitive high-techcomputer intensive environments. And,the ground bar is the same size as thephase bars, with the same ampere rating.Installation is easy — joining one XJ-Lbusway section to another is as simple asmatching ends and snapping themtogether. Bus bars are held securely inplace by spring pressure clips located inthe joint insulator. The joint is secured
when the external housing plate isattached with captive screws.Thanks to built-in flexibility and a lowinitial cost, you also benefit from futuresavings when you need new equipment.Time to add on busway for new or expanded facilities? The XJ-L Busway you installed years ago matches the XJ-L Busway you specify today. And, yearsfrom now, the new busway sections,components or system-compatible busplugs will still fit.
XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-LXJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-LXJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-LXJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-LXJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L
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Why Choose XJ-L?
DEPENDABILITY
First introduced in 1960 and having well over one million feet in service, XJ-L busway has a proven track record of trouble-free power distribution. The joints are easy to install andmaintenance free. The copper bus bars and steel housings are designed to provide years of dependable service.
FLEXIBILITY
XJ-L offers the flexibility of a 3 or 4 wire system, isolated or internal ground and 200% Neutral capacity where isolated ground is not required.Busway sections and additional plugs can be easily added to meet changingdemands. Each 10' section features twelve plug-in openings for easyaccessibility.
Different loads can be powered by a single multi-receptacle plug. These plugs can be configured to providespecific load switching and protection.Application specific hangers are available to accommodate installationrequirements.
COST
Overall, XJ-L offers a more cost effective power distribution system than the typical cable and conduitinstallation. Because XJ-L is lightweightand easy to handle, installation is lessexpensive, faster and cleaner. In addition, XJ-L busway can easily bereconfigured to accommodate changes in load requirements when needed.
EQUIPMENT PROTECTION Critical equipment is protected via fuse orcircuit breaker plugs. Due to theirproximity, the plugs provide a localizedmethod of protection and disconnection.
SPACE
Space in critical power / data centerfacilities is at a premium. XJ-L Buswayrequires less space than conventionalpower distribution methods such as cable and conduit.
AVAILABILITY
XJ-L busway and plugs are stocked tomeet your quick-ship requirements.
Once you factor in all the advantages, XJ-L is clearly the best choice for reliable, flexible, and economical power distribution for data center, lightindustrial and high tech applications.
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Specification Information
XJ-L busway is available in 100A and 200A ratings making it the rightchoice for light industrial andcommercial applications where low initial startup and maintenance costs are prerequisites. XJ-L Busway isthe most logical choice for high tech,computer intensive environments,especially when isolated ground isrequired.
HOUSING
XJ-L busway features a totally enclosed,non-ventilated, 2-piece steel housing.The housing is covered with an electro-statically applied light gray ANSI 61polyester urethane powder paint. Thepaint is scratch resistant and has a 500hour salt spray rating.
CONDUCTORS
The conductors are fabricated from 98%conductivity copper. The bars are"spaced-in-air" and held securely in thehousing by the plug-in outlets and joints.
NEUTRAL
100% neutral is available as standard,200% neutral is offered as a customproduct.
GROUNDThe internal ground bus is 100% rated for 100A and 60% rated for 200A busway. Isolated ground is rated at 100% for both amperages.
PLATING
The bus bars are tin plated over theirentire length to ensure good electricalcontact at all joint and plug tap-offpoints. The plating also serves to protectthe bars from corrosion. Optional silverplating is available.
PLUG-IN BASE
XJ-L busway features multiple plug-in locations. The plastic, non-tracking outlets are located on 20"centers and support the bus barsproviding bracing during short-circuitconditions. The plug-in outlets are IP2xrated (finger-safe). Optional plug-in basecovers (XOC) are available separately orthey can be factory installed.
JOINT CONNECTION
Busway sections are connected via amaintenance-free, spring pressure joint.The busway ends are easily aligned andbus bar ends are held securely in placeby spring pressure clips located in thejoint insulator. The housings areconnected via external housing platesand captive screws.
BUS PLUGS
There are twelve plug-in outlets on each10' (3.048m) section, six openings on 5' (1.524m) sections and two outlets on 2' (.616m) sections. Bus plugs areavailable with amperages ranging from15A to 100A. Plugs feature circuitbreakers or fusible switch disconnects.
TESTING
Each piece of XJ-L busway is factorytested prior to shipment. A dielectric testis performed to ensure product integrity.XJ-L Busway is qualified to UL standardsand is manufactured and inspected inaccordance with ISO 9001 guidelines.
COMPATIBILITY
100A aluminum sections are no longeravailable. However, 100A coppersections are fully compatible with thealuminum busway.
STANDARDS
XJ-L Busway products meet the following standards:UL 857NEMA BU1CSA C22.2
RATINGS
Amperage: . . . 100A and 200AVoltage:. . . . . . 600VAC maxShort Circuit: . . 100A - 10kAIC
200A - 14kAIC
XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L
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Note: A ground in the diagram is available for all XJ-L busway systems. For systems so equipped, add suffixletter “G” to the catalog number. The neutral bar “N” is omitted on 3-Pole busway. The isolated ground (suffixletter IG) or second neutral bar is positioned above the A-Phase bus bar.
CROSS SECTION
Available in 10’ (3.048m), 5’ (1.524m), or2’ (.616m) standard lengths, XJ-L Buswayoffers layout flexibility to meet customrequirements. XJ-L offers twelve plug-inoutlets, six per side on 10’ sections. Forconvenience, the openings are located inalternate positions from side to side, andare all usable simultaneously.
XJ-L busway also features an exclusiverotating cover plate to facilitate inspectionof the joints. The light weight design ofthe busway and plugs makes theinstallation of XJ-L quick and trouble-free.
XJ-L 100 & 200 AmpereStraight Sections
Busbar Bar Bar Housing Housing Max ShortAmperage Material Thickness Width Width Height Voltage Circuit
Ratings
0.125” 0.5” 2.0” 6.13”100A Copper (3.2mm) (12.7mm) (50.8mm) (154.7mm) 600V 0kA
0.125” 1.0” 2.5” 6.13”200A Copper (3.2mm) (25.4mm) (63.5mm) (154.7mm) 600V 14kA
XJ-L 100 Ampere Rating 200 Ampere RatingPlug-InBusway 3-Pole 4-Pole 3-Pole 4-Pole
Catalog Catalog Catalog CatalogLength Number Weight Number Weight Number Weight Number Weight
10’(3.04m) XC1003 42 XC1004 45 X2003 56 X2004 62
5’(1.52m) XC10035 21 XC10045 23 X20035 28 X20045 30
2’(0.61m) XC10032 8 XC10042 9 X20032 11 X20042 12
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Right-Hand or Left-hand, XJ-L buswaysystem 90o flat elbows are available. When specifying be sure to use the proper catalog number suffix to identifythe required fitting.
XJ-L Flat Elbows
Add suffix letter “G” to catalog number for groundbus and/or suffix “IG” to catalog number forisolated ground bus.
XJ-L Edge Elbows
Right-Hand or Left-hand, XJ-L buswaysystem 90o edge elbows are available.When specifying be sure to use the proper catalog number suffix to identifythe required fitting.
XJ-L Fittings
Edge Left (4) Edge Right (2)
Flat Left (3) Flat Right (1)
Catalog NumberAmps Number
of Poles Right-Hand Left-Hand
100 3 XC1003L1 XC1003L34 XC1004L1 XC1004L3
2003 X2003L1 X2003L34 X2004L1 X2004L3
Add suffix letter “G” to catalog number for groundbus and/or suffix “IG” to catalog number forisolated ground bus.
Catalog NumberAmps Number
of Poles Right-Hand Left-Hand
100 3 XC1003L2 XC1003L44 XC1004L2 XC1004L4
2003 X2003L2 X2003L44 X2004L2 X2004L4
XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L
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Flanged ends are used to connectbusway to switchboards. Flangedends come complete with bus barextensions to facilitate the makingof electrical connections.
XJ-L Flanged End
Number CatalogAmps of Poles Number
100 3 XC1003FE4 XC1004FE
2003 X2003FE4 X2004FE
Tees permit a second run of buswayto extend at right angles to a straightbusway run.
Right Hand (-2)Left Hand (-4)
Add suffix letter “G” to catalog number for groundbus and/or suffix “IG” to catalog number forisolated ground bus.
XJ-L Tee
Add suffix letter “G” to catalog number for groundbus and/or suffix “IG” to catalog number forisolated ground bus.
Catalog NumberAmps Number
of Poles Right-Hand Left-Hand
100 3 XC1003T2 XC1003T44 XC1004T2 XC1004T4
200 3 X2003T2 X2003T44 X2004T2 X2004T4
XQ accepts plug-in or bolt-on type breakers
XQR accepts plug-in or bolt-on type breakersand has receptacle provisions
XEC accepts heavy duty ED2 and ED4 circuit breakers
XLEC accepts ED2, ED4 and ED6 circuit breakers
XLVB features the Vacu-Breakd switch
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XQ SERIES(Cover Operable, 50A Max)
XQ Bus Plugs accept QP (plug-in) or BQ (bolt-on)circuit breakers. The plugs feature knockouts tofacilitate quick installation.
Bus plugs for the XJ-L are available from 15A to 100A, with molded case circuit breakers or Vacu-Breakdfusible switches. Bus plugs may beoperated with a pull-chain or hookstick from the floor.
Lightweight and portable, plugs areeasily moved from one location toanother. Captive hardware allows foreasy removal and re-installation. This is
especially important in high-tech areasrequiring frequent movement ofequipment. The XQ-R bus plug hasprovisions for BQ or QP breakers as inthe XQ, but it has added wiring spaceallowing for receptacle installation.Additional add on features, such asshunt trips, alarm switches, and auxiliarycontacts are also available for XEC andXLEC bus plugs.
XJ-L Bus Plugs
Knockouts: 1/2”, 3/4”, 1”, 1 1/4”conduit knockouts in both sides
XQ-R SERIES(Cover Operable, 50A Max)
XQ-R Bus Plugs accept QP (plug-in) or BQ (bolt-on) circuit breakers. The plugsfeature a spacious chassis which allowsroom for wire bending space and theinstallation of receptacles. Two 120 voltduplex receptacles may be mounted onthe cover and one 208 volt receptaclemay be mounted in the bottom plate
Enclosures Only3 Phase 3 Phase 3 Wire 4 Wire
BreakerBreaker AC Ampere Catalog Number
Type Volts Rating
QP & BQ 120/240 15–50 XQ35 XQ45
Enclosures Only3 Phase 3 Phase 3 Wire 4 Wire
BreakerBreaker AC Ampere Catalog Number
Type Volts Rating
QP & BQ 120/240 15–50 XQ35R XQ45R
XEQHW62890
W68101
ACCESSORIES FOR XQ & XQ-R SERIES
XEQH. . . . . . . . . Floor Operating Handle with ON/OFF Labels
W62890. . . . . . . Bonded Ground KitW68101. . . . . . . Isolated Ground Kit
F o r X J - L b u s w a y ,t h e r e a r e f i v e b a s i cb u s p l u g d e s i g n s :
XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L XJ-L
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XJ-L Bus Plugs
XEC SERIES (Cover Operable, 100A Max)
XEC Bus Plugs accept ED2 and ED4 circuitbreakers. The plugs feature a spaciouschassis which allows room for wire bendingand knockout provisions. Isolated groundplugs are available from the factory.
W62890
Knockouts: 1”, 1 1/4”, 1 1/2”, 2” conduitknockouts in both sides Knockouts: 1”, 3/4”, 1”, 1 1/4”, 1 1/2”, 2”
conduit knockouts in both sides
Knockouts: 1”, 1 1/4”, 1 1/2”, 2” conduitknockouts in both sides
XLVB SERIES (Floor Operable, 100A Max)
XLVB Fusible bus plugs utilize the Vacu-Breakswitching principle, which minimizes arcing,and reduces maintenance costs. The Vacu-Break bus plugs are quick-make and quick-break, cover interlocked, horsepower ratedand may be operated from the floor with apull-chain or hookstick.
XLEC SERIES (Floor Operable, 100A Max)
XLEC Bus Plugs accept ED2, ED4 and ED6circuit breakers. The plugs feature a spaciouschassis which allows room for wire bendingand knockout provisions. These plugs may be operated from the floor with a pull-chainor hookstick.
Fusible Vacu-Break Switch Plugs
AmpereVolts Rating
Catalog Number
3 Pole 4 Pole
30 XLVB321 XLVB421N
240 60 XLVB322 XLVB422N
100 XLVB323 XLVB423N30 XLVB351 XLVB451N
600 60 XLVB352 XLVB452N
100 XLVB353 XLVB453N
Enclosures Only3 Phase/ 3 Phase/3 Wire 4 Wire
Breaker AC Breaker Amp Type Volts Rating Catalog Number
ED2 240ED4 480 15–100 XLEC3100 XLEC4100
ED6 600
Enclosures Only3 Phase/ 3 Phase/3 Wire 4 WireBreaker AC Breaker Amp
Type Volts Rating Catalog Number
ED2 240
ED4 48015 –100
XEC3100 XEC4100XEC3100IG XEC4100IG
ACCESSORY FOR XEC & XLECW62890 ..........Bonded Ground Kit
W47185
ACCESSORY FOR XLVB SERIESW47185 .......... .....ON/OFF Labels
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PLUG-IN & CENTER CABLE TAP BOXES
Plug-in cable tap boxes are non-fusibledevices used for end or center feed. The100A tap boxes can be attached at any plug-in opening. The 200A tap box
requires two adjacent openings. All tapboxes will fit XC100 and X200 buswaysystems.
100A PLUG-IN TAP BOX
200A PLUG-IN TAP BOX
Knockouts: 1/2”, 3/4”, 1”, 1 1/4”, 1 1/2”, 2”conduit knockouts in both sides
Knockouts: 1”, 1 1/4”, 1 1/2”, 2”, 2 1/2”conduit knockouts in both sides
XJ-L Busway Tap Boxes
Ampere Number CatalogRating of Poles Number
100 3 X103PB100 4 X104PBBonded Ground Kit W62890Isolated Ground Kit W68113
Lug Sizes For Plug-In Tap BoxesAmpere Phase andRating Neutral Ground
100 (1) #1-10AWG (1) #2-14 AWG
Ampere Number CatalogRating of Poles Number
200 3 X2003PB200 4 X2004PBBonded Ground Kit W62892
Lug Sizes For Center Cable Tap BoxesAmpere Phase andRating Neutral Ground
400 (2) #6 - 250MCM (1) #14- 1/0 kcmil
Lug Sizes For Plug-In Tap BoxesAmpere Phase andRating Neutral Ground
200 (1) #6-250MCM (1) #4-14 AWG
400A CENTER CABLE TAP BOXThe center cable tap box is rated for 400A and isbuilt on a 2' section of busway. Maximum loadsup to 200A must be applied to each side to avoidelectrical overload. Each run is limited to 50 feetby the provision of NEC article 368-11.
Add suffix letter “G” to catalog number forground bus and/or suffix “IG” to catalognumber for isolated ground bus.
Add suffix letter “G” to catalog number forground bus. If isolated ground or 200% neutralis required use Center Cable Tap Box.
Ampere Number CatalogRating of Poles Number
400 3 X2003M400 4 X2004M
Add suffix letter “G” to catalog number forground bus and/or suffix "IG" to catalognumber for isolated ground bus.
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XH2 BUSWAY HANGER
XJ-L busway is supported through theuse of a two-piece, bolt togetherhanger design. One size fits all XJ-Lbusway systems. Two hangers arefurnished with each 10-foot straightsection, and can be used withcustomer supplied rods up to 3/8-inchin diameter. Hangers are adaptable forwall mounting or ceiling suspensionarrangements, either edge or flat.
XJ-L Accessories
XOC OUTLET COVERS
Optional outlet covers are availablefor closing off the plug-in outletswhen desired.
END CLOSER
An End Closer is used to terminatebusway runs. To extend the run,simply remove the end closer andadd new sections as needed.
DimensionsAmpere CatalogRating Number A B C
100A XE100 6 1/8” 2 1/6” 4 1/8”
200A XE200 6 1/4” 2 5/8” 4 1/8”
Siemens Energy & Automation, Inc.3333 Old Milton ParkwayAlpharetta, GA 30005
Call Center: 1-800-964-4114seainfo@icn.siemens.comwww.sea.siemens.com
Document BUPC-XJL-010502 Supersedes 5.3-1E 5MECP Printed in USA
© 2002 Siemens Energy & Automation, Inc. All Rights ReservedSiemens is a registered trademark of Siemens AG. Product names mentioned may be trademarks or registered trademarks of their respective companies. Specifications are subject to change without notice.
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