busway system - sea.siemens.com 400a bus bar is .125 x 2.12" compared to the .125 x 1.0"...

Selection and Application Guide

busway systemXJ-L

Cost-effective Power Distribution

Compact Design

XJ-L Busway Selection and Application GuideSpecifications

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New for 2007…..400A XJ-L Busway

XJ-L Busway is available up to 400A. First introduced in1960, XJ-L continues to be the leading power distributionsolution for demanding applications that require reliable,high quality power. Now, Siemens meets increased marketdemand for a cost effective solution for low to mediumpower distribution with the new 400A XJ-L.

Why Change Perfection?XC100 and X200 XJ-L busway have led the market in cost-effective busway solutions up to 225A for over 45 years. Recently, there is increased demand for low costpower distribution requiring up to 400A. Conforming with Siemens tradition of continuous improvement, Siemens Engineers and Product Management investigatednumerous low-medium power solutions. The result of theinvestigation is to expand the proven XJ-L technology. Thenew 400A XJ-L is built from the same basic componentsused in X200 busway. The 400A bus bar is .125 x 2.12" compared to the .125 x 1.0" bar used in X200. To ensurereliable electrical and thermal performance, a second spring clip assembly is installed at the joint.

Key competitive advantages:� Compact Size – small cross section for applications where

busway routing is constrained� Joint Connection – dual spring clamp assemblies ensure

reliable, maintenance-free joints� Safety – plug-in outlets are IP 2X finger safe (optional

XOC outlet covers increase system to IP40)� Reliability – fundamental design has a 60 year history

of reliability� Service – simple snap together installation, maintenance-

free joints, factory stock of critical components and large distribution inventory of bus plugs ensure quick andeasy serviceability� Fittings – elbow, tee, cross, flanged end, and tap boxes

are offered in standard and custom configurations� Compatibility – the full range of XJ-L bus plugs can be

interchanged between 100A, 225A and 400A busway

Specifications and Ratings:� Current Rating: 400A� Voltage: 600V max� Bus Bar Material: .12 x 2.12 Copper� Short Circuit Rating: 35kA� Configurations: 3Ø3W, 3Ø4W� Neutral: 100%, 200% * (IG)� Ground: Std Housing (Hsg), Internal (G), Isolated* (IG)� Ingress Protection: 2X, IP40 with XOC installed� Electrical Standards: UL 857 and CSA 22.2

* Note: 200% neutral and isolated ground utilize the samebus bar. The system can be configured as either isolatedground or 200% neutral.

For more information on this and other Busway Products,please visit:http://www.sea.siemens.com/power/product/pdprodbus.html

XJ-L Busway Selection and Application GuideOverview

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XJ-L BuswayXJ-L Busway is well known for its outstanding performance, providingconvenient, cost-effective power distribution for high-tech environments,computer centers, laboratories, andother applications requiring consistent,quality power distribution. Key XJ-Ldesign features include optional isolatedground ampere ratings of 100A, 225A,and 400A. For maximum availability, XJ-L Busway is maintained as a stock product to meet your quick- ship requirements.

As a result, XJ-L Busway is an intelligentchoice for contractors and users concerned with designing superior electrical distribution systems. The compact design is ideal for limited working areas in computer manufacturing, laboratory or test facilities, schools, hospitals, and machine shops.

With XJ-L Busway, you get an exclusive,optional isolated ground design thatensures clean power. Unlike bondedground designs that may convey surgesfrom one electrical devce to another,the XJ-L optional isolated ground system is well suited for high-tech computer intensive environments. The ground bar is the same size as the phase bars, with the same ampererating. Installation is easy, joining oneXJ-L busway section to another is assimple as matching ends and snappingthem together. Bus bars are held securely in place by spring pressure

clips located in the joint insulator. The joint is secured when the external housing plate is attached with captivescrews. Thanks to built-in flexibility anda low initial cost, you also benefit fromfuture savings when you need newequipment. Time to add on busway for new or expanded facilities? The XJ-L Busway you installed years agomatches the XJ-L Busway you specifytoday and years from now the newbusway sections, components or system-compatible bus plugs will still fit.

DependabilityFirst introduced in 1960 and having well over one million feet in service, XJ-L busway has a proven track recordof trouble-free power distribution. The joints are easy to install and maintenance free. The copper bus bars and steel housings are designed to provide years of dependable service.

FlexibilityXJ-L offers the flexibility of a 3 or 4 wire system, isolated or internal ground, and 200% neutral capacitywhere isolated ground is not required.Busway sections and additional plugscan be easily added to meet changingdemands. Each 10 foot section featurestwelve plug-in openings for easy accessibility. Different loads can bepowered by a single multi-receptacleplug. These plugs can be configured to provide specific load switching and protection. Application specifichangers are available to accomodateinstallation requirements.

CostOverall, XJ-L offers a more cost-effective power distribution system than the typical cable and conduitinstallation. XJ-L is lightweight and 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 ProtectionCritical equipment is protected via fuseor circuit breaker plugs. Due to theirproximity, the plugs provide a localizedmethod of protection and disconnection.

SpaceSpace in critical power/data center facilities is at a premium. XJ-L Buswayrequires less space than conventionalpower distribution methods such ascable and conduit.

AvailabilityXJ-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 powerdistribution for data centers, lightindustrial, and high tech applications.

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XJ-L Busway Selection and Application GuideSpecifications

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XJ-L Busway is available in 100A, 225A and 400A ratings making it theright choice for light industrial and commercial applications where low initial startup and maintenance costsare prerequisites. XJ-L Busway is themost logical choice for high tech, computer intensive environments, especially when isolated ground is required.

HousingXJ-L Busway features a totallyenclosed, non-ventilated, steel housing. The housing is covered with an electrostatically applied light gray ANSI 61 polyester urethanepowder paint. The paint is scratch resistant and has a 500 hour salt spray rating.

ConductorsThe conductors are fabricated from 98% conductivity copper. The bars are “spaced-in-air” and held securely in the housing by the plug-in outletsand joints.

Neutral100% neutral is available as standard, 200% neutral is offered as a custom product.

GroundThe internal ground bus is 100% ratedfor 100A, 60% rated for 225A, and 50%for 400A busway. Isolated ground israted at 100% for both amperages.

PlatingThe bus bars are tin plated over theirentire length to ensure good electricalcontact at all joint and plug tap-offpoints. The plating also serves to protect the bars from corrosion.Optional silver plating is available.

Plug-in BaseXJ-L Busway features multiple plug-inlocations. The plastic, non-tracking outlets are located on 20 inch centersand support the bus bars providingbracing during short circuit conditions.The plug-in outlets are IP2x (fingersafe). Optional plug-in base covers(XOC) are available separately or theycan be factory installed.

Joint ConnectionBusway 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 the joint insulator. The housings are connected via external housing platesand captive screws.

Bus PlugsThere are twelve plug-in outlets on each10 foot (3.048 m) section, six openingson 5 foot (1.524 m) sections and twooutlets on 2 foot (.616 m) sections. Busplugs are available with amperagesranging from 15A to 100A. Plugs feature circuit breakers or fusible switch disconnects.

TestingEach piece of XJ-L busway is factorytested prior to shipment. A dielectrictest is performed to ensure productintegrity. XJ-L Busway is manufacturedand inspected in accordance to an ISO 9001 registered QualityManagement System.

CompatibilityXC100 copper busway is fully compatible with the X100 aluminum busway.

StandardsXJ-L Busway products meet the following standards:UL 857NEMA BU1CSA C22.2

RatingsAmperage: 100A, 225A and 400AVoltage: 600 VAC maxShort Circuit: 100A – 10kAIC

225A – 22kAIC400A – 35kAIC

Bus Bar Width Ohm x 10-3 per 100 ft. Voltage Drop – Concentrated Loads, Line-to-Line per 100 ft. Ampere x .125 in. (3.2 mm) Line to Neutral at 100% Rated Load, 35°C Ambient Power Factor Rating Thick R X Z 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 100 0.50 (13.0) 1.67 8.71 1.88 2.30 2.54 2.75 2.94 3.10 3.21 3.25 2.89 225 1.00 (25.4) 8.20 4.08 9.16 2.48 2.74 2.98 3.19 3.37 3.51 3.57 3.20 400 2.13 (54.1) 4.27 3.01 5.23 2.88 3.10 3.29 3.44 3.56 3.62 3.57 2.96

R, X, Z, and Voltage Drop

XJ-L Busway Selection and Application GuideStraight Sections

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Straight SectionsAvailable in 10 foot (3.048 m), 5 foot (1.524 m) or 2 foot (.616 m) standard plug-in lengths, XJ-L Busway offers layout flexibility to meet custom requirements.XJ-L offers twelve plug-in outlets, six per side on 10 foot sections. For convenience, the openings are located in alternate positions from side to side and are all useable simultaneously.

XJ-L Busway also features an exclusive rotating cover plate to facilitate inspectionof the joints. The light weight design of the busway and plugs makes the installation of XJ-L quick and trouble-free.

Short 3-Pole 4-PoleAmpere Busbar Bar Bar Housing Housing Max Circuit Catalog CatalogRating Material Thickness Width Width Height Voltage Rating Length Number Weight Number Weight

100 Copper .125 (3.2) .5 (12.7) 2.0 (50.8) 6.13 (156) 600V 10kA 10.0 (3.05) XC1003 42 XC1004 45100 Copper .125 (3.2) .5 (12.7) 2.0 (50.8) 6.13 (156) 600V 10kA 5.0 (1.52) XC10035 21 XC10045 23100 Copper .125 (3.2) .5 (12.7) 2.0 (50.8) 6.13 (156) 600V 10kA 2.0 (.61) XC10032 8 XC10042 9225 Copper .125 (3.2) 1.0 (25.4) 2.5 (63.5) 6.13 (156) 600V 22kA 10.0 (3.05) XC2003 56 XC2004 62225 Copper .125 (3.2) 1.0 (25.4) 2.5 (63.5) 6.13 (156) 600V 22kA 5.0 (1.52) XC20035 28 XC20045 30225 Copper .125 (3.2) 1.0 (25.4) 2.5 (63.5) 6.13 (156) 600V 22kA 2.0 (.61) XC20032 1 XC20042 12400 Copper .125 (3.2) 2.12 (53.8) 3.6 (91.7) 6.13 (156) 600V 35kA 10.0 (3.05) XC4003 69 XC4004 79400 Copper .125 (3.2) 2.12 (53.8) 3.6 (91.7) 6.13 (156) 600V 35kA 5.0 (1.52) XC40035 35 XC40045 40400 Copper .125 (3.2) 2.12 (53.8) 3.6 (91.7) 6.13 (156) 600V 35kA 2.0 (.61) XC40032 15 XC40042 17

Note: A ground in the diagram is available for all XJ-L Busway systems. For systems so equipped, add suffix letter “G” to the catalog number. The neutral bar “N” isomitted on 3-Pole busway. The isolated ground (suffix letter IG) or second neutral bar is positioned above the A Phase bar.

Isolated Groundor 2nd Neutral

A Phase

B Phase

C Phase

Neutral

Internal Ground

HousingWidth

XJ-L 100 and 200A Cross Section

XJ-L 400A Cross Section

Straight Sections, Dimensions (standard/min.)

XJ-L Busway Selection and Application GuideElbows

Note: Add suffix letter “G” to catalog number forground bus and/or suffix “IG” to catalog numberfor isolated ground bus or 200% neutral.

Flat ElbowsRight hand or left hand XJ-L Busway system 90 degree flat elbows areavailable. When specifying be sure to use the proper catalog numbersuffix to identify the required fitting.


Edge ElbowsRight hand or left hand XJ-L Busway system 90 degree edge elbowsare available. When specifying, be sure to use the proper catalog number suffix to identify the required fitting.

Flat Elbow Catalog NumbersAmpere Catalog NumberRating Poles Right Hand Left Hand100 3 XC1003L1 XC1003L3100 4 XC1004L1 XC1004L3225 3 X2003L1 X2003L3225 4 X2004L1 X2004L3400 3 X4003L1 X4003L3400 4 X4004L1 X4004L3

Edge Elbow Catalog NumbersAmpere Catalog NumberRating Poles Right Hand Left Hand100 3 XC1003L2 XC1003L4100 4 XC1004L2 XC1004L4225 3 X2003L2 X2003L4225 4 X2004L2 X2004L4400 3 X4003L2 X4003L4400 4 X4004L2 X4004L4

Left Elbow (-4) Right Elbow (-2)

15.0"(381 mm)

11.0"(279 mm)

11.0"(279 mm)

4.0(122 mm)

4.0(122 mm)

TopTop

15.0"(381 mm)

Insulator

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XJ-L Busway Selection and Application GuideTees and Crosses

TeeTees permit a second run of busway to extend at right angles to a straight busway run.

Left Hand (-4) Right Hand (-2)

Cross Catalog NumbersAmpere Catalog NumberRating Poles Right Hand Left Hand100 3 X1003CR2 XC1003CR4100 4 XC1003CR2 XC1003CR4225 3 X2003CR2 X2003CR4225 4 X2004CR2 X2004CR4400 3 X4003CR2 X4003CR4400 4 X4004CR2 X4004CR4


Tee Catalog NumbersAmpere Catalog NumberRating Poles Right Hand Left Hand100 3 XC1003T2 XC1003T4100 4 XC1004T2 XC1004T4225 3 X2003T2 X2003T4225 4 X2004T2 X2004T4400 3 X4003T2 X4003T4400 4 X4004T2 X4004T4


CrossCrosses are fittings used to interconnect two busway runs which are located at rightangle to each other.

4.0"(102 mm)

Top

4.0"(102 mm)

18.0"(457 mm)

18.0"(457 mm)

Insulator End

Insulator End

22.0"(559 mm)

CLTop

Insu

lato

r End

Insulator End

22.0"(559 mm)

18.0"(457 mm)

18.0"(457 mm)

4.0"(102 mm)

4.0"(102 mm)

CL

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XJ-L Busway Selection and Application GuideTap Boxes

100A Plug-In Tap Box Catalog NumbersAmpere Catalog Rating Poles Number 100 3 X103PB 100 4 X104PBBonded Ground Kit W62890Isolated GroundKit W68113




100A Plug-In Tap BoxPlug-in cable tap boxes are non-fusible devices used for end or center feed. The100A tap boxes can be attached at any plug-in opening.

200A Plug-In Tap Box Catalog NumbersAmpere CatalogRating Poles Number200 3 X2003PB200 4 X2004PBBonded Ground Kit W62892

200A Plug-In Tap BoxPlug-in cable tap boxes are non-fusible devices used for end or center feed. The 200A tap box requires two adjacent openings.

Center Tap Box Catalog NumbersAmpere CatalogRating Poles Number225 3 X2003M225 4 X2004M400 3 X4003M400 4 X4004M

Knockouts: 1/2”, 3/4”, 1”, 1 1/4”, 1 1/2”, 2” conduit knockouts in both sides.Lug Sizes for Plug-In Tap Boxes

Ampere Phase andRating Neutral Ground100 (1) #1-10 AWG (1) #2-14 AWG

Lug Sizes for Plug-In Tap BoxesAmpere Phase andRating Neutral Ground200 (1) #6-250MCM (1) #4-14 AWG

Knockouts: 1”, 1 1/4”, 1 1/2”, 2”, 2 1/2” conduit knockoutsin both sides.

Center Cable Tap BoxCenter tap boxes are non-fusible devices utilized to feed to or take off power from the busway run. When loads served by the busway run do not require over-currentprotection, center tap boxes may be used. If the application requires additional wiringbending space, extended center tap boxes are available. Center tap boxes are anactual part of the busway run and require a space of 32 in. (810 mm) for installation.

XJ-L Busway Selection and Application GuideTap Boxes and Flanged Ends

Flanged EndFlanged ends are used to connect busway to switchboards. Flanged ends comecomplete with bus bar extensions to facilitate the making of electrical connections.

Flanged End

End Tap BoxEnd tap boxes are devices used to connect cable and conduit to the end of a busway run or where busway runs connect without the need for over-current protection. End tap boxes may be installed at the end or beginning of a run.

16.5"(419.1 mm)5.2"

(132.1 mm)5.2"

(132.1 mm)

2.8" (71.1 mm)

16.0"(406.4 mm)

26.0"(660.4 mm)

9.2" (233.7 mm)

End Tap Box Catalog NumbersAmpere Catalog Rating Poles Number 100 3 XC1003ETVB100 4 XC1004ETVB225 3 X2003ETVB225 4 X2004ETVB400 3 X4003ETVB400 4 X4004ETVB


Flanged End Catalog NumbersAmpere Catalog Rating Poles Number 100 3 XC1003FE 100 4 XC1004FE225 3 X2003FE225 4 X2004FE400 3 X4003FE400 4 X4004FE


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XJ-L Busway Selection and Application GuideBus Plugs

Bus Plugs for XJ-L are available from 15A to 100A, withmolded case circuit breakers or Vacu-Break fusible switches.Bus plugs may be operated with a pull chain or hookstickfrom the floor.

Lightweight and portable, plugs are easily moved from one location to another. Captive hardware allows for easy

removal and re-installation. This is especially important inhigh tech areas requiring frequent movement of equipment.The XQ-R bus plug has provisions for BQ or QP breakers as in the XQ, but it has added wiring space allowing for receptacle installation. Additional add on features, such asshunt trips, alarm switches, and auxillary contacts are alsoavailable for XEC and XLEC bus plugs.

For XJ-L Busway there are five basic bus plug designs:XXQQ accepts plug-in or bolt-on type breakersXXQQRR accepts plug-in or bolt-on type breakers and has

receptacle provisionsXXEECC accepts heavy duty ED2 and ED4 circuit breakersXXLLEECC accepts ED2, ED4 and ED6 circuit breakersXXLLVVBB features the Vacu-Break switch

XQ Series Bus Plug Catalog NumbersBreaker Catalog Number

Breaker AC No. of Ampere 3Ph/ 3 Ph/Type Volts Spaces Rating 3 Wire 4 WireQP and BQ 120/240 3 15 - 50 XQ35 XQ45

XQ SeriesXQ Bus Plugs accept QP (plug-in) or BQ (bolt-on) circuit breakers. The plugs feature knockouts to facilitate quick installation.

Enclosures Only

XQ-R Series Bus Plug Catalog NumbersBreaker Catalog Number

Breaker AC No. of Ampere 3Ph/ 3 Ph/Type Volts Spaces Rating 3 Wire 4 WireQP and BQ 120/240 3 15 - 50 XQ35R XQ45R

Enclosures Only

Accessories for XQ and XQ-R Series

XEQH Floor Operating Handle with ON/OFF LabelsW62890 Bonded Ground KitW68101 Isolated Ground Kit

W68101 W62890

XEQH

XQR SeriesXQR Bus Plugs accept QP (plug-in) or BQ (bolt-on) circuit breakers. The plugs feature knockouts to facilitate quickinstallation.

XJ-L Busway Selection and Application GuideBus Plugs

Accessory for XEC and XLEC Series

W62890 Bonded Ground Kit

Accessory For XLVB Series

W47185 ON/OFF Labels

WW4477118855

XEC Series Bus Plug Catalog NumbersBreaker Catalog Number

Breaker AC Amp 3Ph/ 3 Ph/Type Volts Rating 3 Wire 4 WireED2 240 15-100 XEC3100 XEC4100ED4 480 15-100 XEC3100IG XEC4100IG

XEC SERIES(Cover Operable, 100A Max)XEC bus plugs accept ED2 and ED4 circuit breakers. The plugs feature a spaciouschassis which allows room for wire bending and knockout provisions. Isolatedground plugs are available from the factory.

Enclosures Only

XLEC Series Bus Plug Catalog NumbersBreaker Catalog Number

Breaker AC Amp 3Ph/ 3 Ph/Type Volts Rating 3 Wire 4 WireED2 240 15-100 XLEC3100 XLEC4100ED4 480 15-100 XLEC3100 XLEC4100ED6 600 15-100 XLEC3100 XLEC4100

Enclosures Only

XLEC Series(Floor Operable, 100A Max)XLEC bus plugs accept ED2, ED4 and ED6 circuit breakers. The plugs feature a spacious chassis which allows room for wire bending and knockout provisions.These plugs may be operated from the floor with a pull chain or hookstick.

Knockouts: 1”, 1 1/4”, 1 1/2”, 2” conduit knockouts in both sides

Knockouts: 1”, 1 1/4”, 1 1/2”, 2” conduit knockouts inboth sides

W62890

XLVB Series Bus Plug Catalog NumbersAmpere Catalog Number

Volts Rating 3 Pole 4 Pole240 30 XLVB321 XLVB421N240 60 XLVB322 XLVB422N240 100 XLVB323 XLVB423N600 30 XLVB351 XLVB451N600 60 XLVB352 XLVB452N600 100 XLVB353 XLVB453N

Fusible Vacu-Break Switch Plugs

Knockouts: 1”, 3/4”, 1”, 1 1/4”, 1 1/2”, 2” conduit knockouts in both sides

XLVB Series(Floor Operable, 100A Max)XLVB fusible bus plugs utilize the Vacu-Break switching principle, which minimizes arcing and reduces maintenance costs. The Vacu-Break bus plugsare quick-make and quick-break, cover interlocked, horsepower rated, andmay be operated from the floor with a pull chain or hookstick.

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XJ-L Busway Selection and Application GuideAccessories

Ampere Catalog DimensionsRating Number A B100 XE100 2 1/16” 15/16”225 XE200 2 5/16” 1 7/16”400 XE400 3 7/16” 2 1/2”

Ampere Catalog DimensionsRating Number A 100 XH2 2.25”225 XH2 2.75”400 XH3 4.0”

End CloserAn end closer is used to terminate busway runs. To extend the run, simplyremove the end closer and add new sections as needed.

.47"(12 mm)

4.97"(126 mm)

B

1.94"(49 mm)

4.27"(108 mm)

4.27"(108 mm)

4.97"(126 mm)

A

6.29"(160 mm)

A

6.29"(160 mm)

Busway HangerXH2 and XH3 Hangers are used to support XJ-L Busway. Two hangers are furnished with each 10 foot straight section and can be used with customer supplied rods up to 3/8 inch in diameter. Hangers are adaptable for wall mounting or ceiling suspension arrangements, either edge or flat.

XOC Outlet CoversOptional outlet covers are available for closing off the plug-in outlets when desired.

Siemens Energy & Automation, Inc.3333 Old Milton ParkwayAlpharetta, GA 30005

1-800-964-4114 [email protected]

www.sea.siemens.com

©2007 Siemens Energy & Automation, Inc. All Rights Reserved.Siemens is a registered trademark of Siemens AG. Product names mentioned may be trademarks or registered trademarks of their respectivecompanies. Specifications are subject to change without notice.

BUSA-XJL01-0807 New 4M0807CW Printed in USA

busway system - sea.siemens.com 400a bus bar is .125 x 2.12" compared to the .125 x 1.0"...

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