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Softswitch128 Switching System

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369-346b 1 08.08.12
Power Equipment
Softswitch128®
Switching Systems
®
Page
SPECIFICATION SUBMITTAL
Job Name:
Job Number:
Model Numbers:
System Overview
Softswitch128® is a switching system that is ideal for
small to medium sized switching projects. A system
consists of panels, control stations, occupancy
sensors, and photocells. Softswitch128
® panels contain
Lutron’s one million cycle Softswitch
® relay and the
Softswitch128
® Controller.
Softswitch128
® is easy to install and simple to
program. Softswitch128
® also includes a CEC/Title24
approved astronomical time clock for system automation.
System Features
•Digitalcontrolforupto512circuits.
•Addupto32digitalcontrolstations(wallstationsand
interfaces) for multiple points of control.
•Uptosixteen(16)Softswitch128® panels may be used.
•AddtheSoftswitch128®ExpansionModule
(XPS-E-120/277-FT)tothesystemforincreasedcontrol
stationcapacity.Threelinksofupto32controlstations
each(96controlstationstotal)maybeaddedwiththe
ExpansionModulepresent.
•IntegratedCECTitle24listedastronomicaltimeclock.
•Lutron® Softswitch® technology for every switched
output(resistive,inductiveandcapacitve)tofull16A.
•Softswitch® relays are rated for all light sources as well
as AC general use motors.
•RS232interfaceavailable(OMX-RS232).
•Contactclosureinputandoutputdevicesavailable
(OMX-IOandOMX-CCO-8).
•Keyswitchwallstationsavailable(NTOMX-KS).
•Normaloremergencypanelcapability.
•Softswitch128®panelisprewiredandpre-tested.
•Panelsfor120/277V~,347V~,and480V~
applications. Contact a Lutron representative for details
on347V~and480V~ switching.
•208V~
loadsarewiredphase-to-phasein120V~
panels. See Lutron
®ApplicationNote#102fordetails.
•Feed-through,branchcircuitbreaker,andrough-intype
panels are available.
Softswitch128®Panel
Softswitch128® Switching System
1
369-346b 2 08.08.12
Power Equipment
Softswitch128®
Switching Systems
®
Page
SPECIFICATION SUBMITTAL
Job Name:
Job Number:
Model Numbers:
Overview
The Softswitch128® Controller is used to configure
the entire Softswitch128
® system. The controller
featuresanLCDuserinterfacetofacilitate
programming all switching system and astronomical
timeclock(ATC)parameters.
Features
•Programwallstationstorecalllightpatterns,totoggle
anyswitchleg(s),toactivatedelay-to-offandto
activate contact closures on a button by button basis.
•Integratedastronomicaltimeclock(ATC)automates
switching and contact closure outputs with up to
500user-definedeventswithin7dailyschedulesand
40holidayschedules.Eachdaymayhave25events.
•ATCeventsautomaticallyselectpatterns,start
after-hoursmode,orendafter-hoursmode.
•Eventsmaybecopiedandpastedforfast
programming.
•ATCeventsmaybetriggeredbytimeofdayorbyan
offset from sunrise or sunset.
•Systemlocationisprogrammablebyinternalcity
database or by specifying latitude and longitude.
•ATCautomaticallyadjustsforleapyearanddaylight
savingstime(whereapplicable).
•Programmableafter-hoursmodewithuser-selectable
“blink warn” and user programmable refresh time.
•Twointegrateduser-configurablecontactclosureinputs.
•Overridecapabilityisavailableatthepanelfor
controls, timeclock, and switch legs.
•ControllerislocatedintheSoftswitch128® panel for
easy access.
Softswitch128® Controller
Softswitch128® Controller
2
369-346b 3 08.08.12
Power Equipment
Softswitch128®
Switching Systems
®
Page
SPECIFICATION SUBMITTAL
Job Name:
Job Number:
Model Numbers:
Standards
•ULListed
•CSA
•NOM
•
Seismic Certified Available
1
(TestMethodAC156.
ReferenceOSHPDPreapprovalOSP-0215-10)
Power
•Inputpower:120/277V~,347V~
2
and480V~
2
.
Allvoltages50/60Hz,phase-to-neutral.
•BranchCircuitBreakers:UL-ratedthermalmagnetic.
AICratings:
120V~10,000A
277V~18,000A
347V~14,000A
•Lightningstrikeprotection:MeetsANSI/IEEEstandard
62.41-1980.Canwithstandvoltagesurgesupto
6000V~andcurrentsurgesupto3000A.
•10-yearpowerfailurememory:restoreslightingto
levels prior to power interruption.
Load Types (relay ratings)
•16ATungsten,120V~
•16AACGeneralUse,100-347V~
•16AElectricDischargeLamp(ballast)
•16AResistive,277V~
•16AInductive,100to347V~
•1/2HP,120V~
•1HP,220to277V~
Switching Modules (120 V~, 277 V ~, 347 V~)
•Softswitch
®relayisratedfor16Acontinuoususe,
whichisthemaximumcontinuousloadfora20A
OvercurrentProtectionDevice(BranchBreaker).
•PatentedSoftswitch® circuit eliminates arcing at
mechanical contacts when loads are switched.
Extendsrelaylifetoanaverageof1,000,000cycles
(on/off)forresistive,capacitiveorinductivesources.
•Relayismechanicallyheld.
Specifications
1
Contact your Lutron representative for details.
2
ContactyourLutronrepresentativefordetailson347V~and480V~ switching.
Wiring
•Internal: Wired and tested by Lutron.
•System communications:
lowvoltageIECPELV/
NEC® Class 2 wiring connects Softswitch128® panels
to control stations.
•Line (mains) voltage: feed and load wiring only
(feed-throughSoftswitch128® panels also require a
feed for the Softswitch128
® controller).
Physical Design
•Enclosure:NEMA-Type1,IP-20protection;16U.S.
gaugesteel.Indoorsonly.
•Weight:
27lb(13kg)forMinipanels
80lb(37kg)forStandardpanels
135lb(62kg)forLargepanels
150lb(69kg)forExtraLargepanels
•SeismicCertificationLimits:S
DS
=2.5g,z/h=1.0,
I
P
=1.5.ContactLutronfordetails.
Mounting
•MiniandStandardsizepanels:surfacemountor
recessmountbetween16in(40cm)studs.
•LargeorExtraLargepanels:surfacemountonly.
Environment
•32to104°F(0to40°C).
Relativehumiditylessthan90%non-condensing.
Short Circuit Current Ratings
(otherratingsavailable)
Standard
Panel Type V~ SCCR Rating
XPSFeed-through
Panels(allsizes) 120/277 25,000A
XPSMainLug
Panels(allsizes) 120/277 25,000A
Continued on next page...
3
369-346b 4 08.08.12
Power Equipment
Softswitch128®
Switching Systems
®
Page
SPECIFICATION SUBMITTAL
Job Name:
Job Number:
Model Numbers:
Softswitch128® Controller
•ConfiguresentireSoftswitch128® system.
•Twolowvoltage(15to24V-) contact closure inputs,
momentary or maintained, pull up or pull down.
•EmergencySensing.
•AstronomicalTimeClock.
•DigitalControlLink.
•MountedinSoftswitch128® panel.
Astronomical Time Clock (ATC)
•Capableofupto500events.
•7dailyschedulesand40holidayschedulesare
available.
•25eventsperday.
•Holidayeventsareprogrammableoneyearinadvance.
•Holidayschedulesareprogrammabletorunforupto
90days.
•ATClocationprogrammablebybuilt-incitydatabase
or by entering latitude and longitude, plus a sunrise or
sunset offset to adjust for local geography.
•CECTitle24listed.
OMX-RS232
•InterfacestheSoftswitch128®systemtoaPC,
touchscreen,orbuildingmanagementsystem(BMS).
•UseRS232stringstosetlightlevelsandenable/disable
time clock events.
•RefertoSoftswitch128® programming guide for more
information and programming features.
OMX-AV
•5lowvoltagecontactclosureinputsand5outputs.
•Inputsmayselectpatterns,togglelights,oractivate
delay-to-off.
•Interfaceswithoccupancysensorsordaylightsensors
(withrelay)toactivatepatternsorturnofflightsinan
unoccupied space.
Specifications (continued)
•Contactclosureoutputsareactivatedbybutton
presses, contact closure inputs, time clock events,
or emergency status.
•SeeOMX-AVspecificationformounting,wiring,
contact closure output ratings, and voltage limits.
NOTE: only the features listed are supported by
Softswitch128
®.
OMX-CCO-8
•Integratesthirdpartymotorizedwindowtreatments
or A/V equipment.
•Outputsareactivatedbybuttonpresses,contact
closure inputs, time clock events or emergency
status.
•SeeOMX-CCO-8productspecificationformounting,
wiring and voltage limits.
Contact Closure Inputs
•Twoclosureinputsareavailableatthe
Softswitch128® controller.
•Maybeconfiguredaspullupto15or24V-
(externallysupplied)orpulleddowntocommon.
•Programmableasmaintainedormomentary.
•Functionsareprogrammableoncontactclose,
contact open or both.
Wall Stations
•OnetosevenbuttonseeTouch® and single button
FOMXcontrolsareavailable.
•Buttonsareprogrammabletoselectpatterns,toggle
circuitsoractivatedelay-to-off.
•ButtonsareprogrammedattheSoftswitch128®
controller.
•Wallcontrolsarepoweredbyandcommunicatevia
the Softswitch128®low-voltagecommunicationlink.
•SeespecificationsubmittalsforseeTouch® and
FOMXwallstationsforwiringandmountingdetails.
•Keyswitchcontrolisalsoavailable.
4
369-346b 5 08.08.12
Power Equipment
Softswitch128®
Switching Systems
®
Page
SPECIFICATION SUBMITTAL
Job Name:
Job Number:
Model Numbers:
Number
of Circuits
Prefix
XPS24-1204ML-20
Prefix
XPS
(Softswitch128® panels)
Number of Circuits
Totalnumberofcircuits(switchlegs)inthepanel.
Voltage
Omitforfeed-throughpanels.
120(100to127V~or208V~ )
277
(277V~)
347
1
(347V~)
Feed
FT
(feed-throughpanels)
4ML(3phase4wirefeed)
3ML(1phase3wirefeed)
Breaker Rating
Omitforfeed-throughpanels.
20(20Abranchcircuitbreakers;20A branch circuit
breakershavea16A continuous load rating).
Voltage
Feed
Breaker
Rating
Example Model Numbers
Example 1
Modelnumberfor120V~ Softswitch128® panel
with28circuitsandLutroninstalled20A branch
circuitbreakers:
XPS28-1204ML-20
Example 2
Modelnumberfor120/277V~ Softswitch128®
panelwith12circuitswithoutcircuitbreakers:
XPS12-FT
Example 3
Modelnumberfora120V ~ Softswitch128® panel
with12circuitsand20A branch circuit breakers
andasplit-phasefeeder:
XPS12-1203ML-20
Example 4
Modelnumberfora347V ~ Softswitch128® panel
with 24 circuits with Lutron
®installed20A branch
circuitbreakers:
ContactyourLutronRepresentative
How to Build a Model Number
1
Custom panel construction required, contact Lutron for model number and lead time.
5
369-346b 6 08.08.12
Power Equipment
Softswitch128®
Switching Systems
®
Page
SPECIFICATION SUBMITTAL
Job Name:
Job Number:
Model Numbers:
Wire Sizes
•14to10AWG(2.5to4.0mm()forFeedWiringand
SwitchLegs(toloads).
•Power(Hot/Live)andSwitchedHot/Liveconnect
directlytoTerminalBlockforSwitchLegs.
Feed-through Softswitch128® Panel Models
(withoutbranchcircuitbreakers)
Mini Softswitch128® Dual-Voltage Feed-through Models for 120 V~, 277 V ~, or 347 V~
1
Standard Softswitch128® Dual-Voltage Feed-through Models for 120 V~, 277 V~, or 347 V~
1
Panel Model Switch Legs Feed Type Maximum Feed
XPS8-FT
8
Feed-through
20A
XPS12-FT
12
XPS16-FT
16
Panel Model Switch Legs Feed Type Maximum Feed
XPS20-FT 20
Feed-through
20A
XPS24-FT 24
XPS28-FT 28
XPS32-FT 32
XPS36-FT 36
XPS40-FT 40
XPS44-FT 44
XPS48-FT 48
1
Custom panel construction required, contact Lutron for model number and lead time.
6
369-346b 7 08.08.12
Power Equipment
Softswitch128®
Switching Systems
®
Page
SPECIFICATION SUBMITTAL
Job Name:
Job Number:
Model Numbers:
Wire Sizes for Switch Legs
•14to10AWG(2.5to4.0mm()
1
20Abreaker,16Acontinuousloadrating.
2
Custom panel construction required, contact Lutron for model number and lead time.
Softswitch128® Panels with Branch Circuit Breakers
Standard Softswitch128® Panels with Circuit Breakers for 120 V~ (max. feed is 200 A)
Large Softswitch128® Panels with Circuit Breakers for 277 / 347 V~
2
(max. feed is 250 A)
Large Softswitch128
® Panels with Circuit Breakers for 120 V~ (max. feed is 225 A)
Extra Large Softswitch128
® Panels with Circuit Breakers for 277 / 347 V~
2
(max. feed is 300 A)
Model Prefix Switch Legs Feed Type Branch Breaker
1
XPS8 8
3Ø4Wor1Ø3W
MainLugAccepts
4AWG(25mm()
to250kcmil(mcm)
(120mm()
20A
XPS12 12
XPS16 16
XPS20 20
XPS24 24
XPS28 28
Model Prefix Switch Legs Feed Type Branch Breaker
1
XPS8 8
3Ø4W
MainLugAccepts
4AWG(25mm()
to 350
kcmil(mcm)
(185mm()
20A
XPS12 12
XPS16 16
XPS20 20
XPS24 24
XPS28 28
Model Prefix Switch Legs Feed Type Branch Breaker
1
XPS32 32
3Ø4Wor1Ø3W
MainLugAccepts
4AWG(25mm()
to 250
kcmil(mcm)
(120mm()
20A
XPS36 36
XPS40 40
XPS42 42
Model Prefix Switch Legs Feed Type Branch Breaker
1
XPS32 32
3Ø4W
MainLugAccepts
4AWG(25mm()
to 350
kcmil(mcm)
(185mm()
20A
XPS36 36
XPS40 40
XPS42 42
7
369-346b 8 08.08.12
Power Equipment
Softswitch128®
Switching Systems
®
Page
SPECIFICATION SUBMITTAL
Job Name:
Job Number:
Model Numbers:
Type Standard GFI EPD AFI K HID SWN
AIC Rating (kAIC) 10 22 42 65 10 22 10 10 10 10 10
NumberofPoles 1 2 3 1 2 1 2 3 1 2 1 1 2 1 1 1 2 3 1
1
2
2
10A X X X X X X
15A X X X X X X X X X X X X X X X X X X X
20A X X X X X X X X X X X X X X X X X X X
25A X X X X X X X X X X X X X X X X X X
30A X X X X X X X X X X X X X X X X X X
35A X X X
40A X X X X X X X X X X
45A X X X X
50A X X X X X X X X X X
60A X X X X X X
70A X X X X
80A X X X
90A X X X
100A X X X
110A X X
125A X X
120V~
and277V~XPPanelswithbranchcircuitbreakersmaybeorderedwithgeneralusebreakers
populatedinthepositionsavailableaftertheswitchingmoduleshavebeenpre-wired.Circuitbreakersfor
switchedcircuitsmayalsobeselected;theoptionsare10,15,and20Asingle-polecircuitbreakers.The
following tables list available options.
Ampere Rating
Type Standard
AIC Rating (kAIC) 18 35 65
NumberofPoles 1 2 3 1 2 3 1 2 3
15 X X X X X X X X X
20 X X X X X X X X X
25 X X X X X X X X X
30 X X X X X X X X X
35 X X X X X X X X X
40 X X X X X X X X X
45 X X X X X X X X X
50 X X X X X X X X X
60 X X X X X X X X X
70 X X X X X X X X X
80 X X X X X X
90 X X X X X X
100 X X X X X X
110 X X X
X X X
125 X X X X
Ampere Rating
ContactLutronIntegratedSystemsfordetailedorderinginformation.
1
1PoleSWNBreakeroccupies2spaces
2
2PoleSWNBreakeroccupies3spaces
Legend
GFI
–GroundFaultCircuitInterrupter(6mA)
EPD–EquipmentGroundFaultProtection
(30mA)
AFI–ArcFaultInterrupter
K–KeyOperated
HID–ForHighIntensityDischargeLighting
SWN–SwitchNeutralBreaker
277 V~ Breaker Options
General Use Breakers
120V~ Breaker Options
8
369-346b 9 08.08.12
Power Equipment
Softswitch128®
Switching Systems
®
Page
SPECIFICATION SUBMITTAL
Job Name:
Job Number:
Model Numbers:
2.21
(56)
1.34
(34)
2.21
(56)
4.09
(104)
15.13
(384)
14.38 (365)
0.15
(4)
4.15
(105)
24.00
(610)
10.75
(273)
21.50
(546)
8.00
(203)
15.875
(403)
24.50
(622)
Mini Softswitch128® Panel Dimensions
Left Side View
Top View
Right Side View
Bottom View
Suggested Mounting Height
MountMiniSoftswitch128®ataheightof45in
(1140mm),measuredfromfloortobottomofpanel
foroptimalLCDviewing.
Alldimensionsshownas:in(mm)
Front View
Cover
9
369-346b 10 08.08.12
Power Equipment
Softswitch128®
Switching Systems
®
Page
SPECIFICATION SUBMITTAL
Job Name:
Job Number:
Model Numbers:
4.15 (105)
41.75 (1060)
2.69 (68)
2.43 (62)
15.875
(403)
8.00
(203)
14.375
(365)
59.50 (1511)
2.43 (62)
11.00
(279)
15.125
(394)
59.00
(1499)
4.21
(107)
0.150
(4)
Standard Softswitch128® Panel Dimensions
Bottom View
Left Side View
Top View
Right Side View
Suggested Mounting Height
MountStandardSoftswitch128®ataheightof26in
(660mm), measured from floor to bottom of panel for
optimalLCDviewing.
Alldimensionsshownas:in(mm)
Front View
Cover
10
369-346b 11 08.08.12
Power Equipment
Softswitch128®
Switching Systems
®
Page
SPECIFICATION SUBMITTAL
Job Name:
Job Number:
Model Numbers:
6.30
0.15
(160)
3.34 (85)
45.0
(1143)
18.50 (470)
63.00
(1600)
22.75 (578)
22.0 (559)
2.50 (64)
23.50 (597)
63.50
(1613)
(4)
6.1
(155)
Large Softswitch128® Panel Dimensions
Left Side View
Right Side View
Top View
Bottom View
Suggested Mounting Height
MountLargeSoftswitch128® at a height of
10in(254mm),measuredfromfloortobottom
ofpanelforoptimalLCDviewing.
Alldimensionsshownas:in(mm)
Front View
Cover
11
369-346b 12 08.08.12
Power Equipment
Softswitch128®
Switching Systems
®
Page
SPECIFICATION SUBMITTAL
Job Name:
Job Number:
Model Numbers:
6.30
(160)
3.45 (88)
68.00
(1727)
18.50 (470)
22.75 (578)
3.0 (76)
23.50 (597)
82.50
(2096)
0.15
(4)
6.1
(155)
22.0 (559)
82.00
(2083)
Extra Large Softswitch128® Panel Dimensions
Left Side View
Right Side View
Top View
Bottom View
Suggested Mounting Height
MountExtraLargeSoftswitch128® at a height
of7in(178mm),measuredfromfloorto
bottomofpanelforoptimalLCDviewing.
Alldimensionsshownas:in(mm)
Front View
Cover
12
369-346b 13 08.08.12
Power Equipment
Softswitch128®
Switching Systems
®
Page
SPECIFICATION SUBMITTAL
Job Name:
Job Number:
Model Numbers:
•Forindooruseonly!
•Consultdimensionspagesforpanelsize,conduit
knockouts, and mounting holes.
•Mountwhereambienttemperatureis32to104ºF
(0to40ºC).
•Panelsweighupto150lb(68.5kg).Reinforcewall
structure for weight and local codes.
•Mountpanelwhereaudiblenoiseisacceptable.
(internalrelaysclick.)
•Mountpanelsoline(mains)voltagewiringisatleast
6ft(1.8m) from sound or electronic equipment and
wiring.
•Mountwithin7ºoftruevertical.
Surface Mounting
•Lutronrecommendsusing0.25in(6mm)
mounting bolts.
•Leave1.25in(32mm) clearance on each side
of panel for cover.
Recess Mounting
•Mounttowallstudbyscrewingthroughslotsin
corners of panel.
•Mountpanelbetweenflushand0.125in(32mm)
below finished wall surface.
Distribution
Panel(if
panelisfeed-
through style).
FeedWiringand
Switch Legs to loads
IEC
PELV/NEC®
Class 2 Wiring
hereonly!Use
this location for
proper voltage
spacing.
FeedWiring
and Switch
Legs
FeedWiringand
Switch Legs to loads
FeedWiring
and Switch
Legs
Front View
Side View Front View Side View
Distribution
Panel(if
panelisfeed-
through style).
Suggested Mounting Height
ForoptimumviewingoftheSoftswitch128® Controller,
mount Softswitch128
® panels at the recommended
distancefromthefloor(measuredfromfloortobottom
of panel).
Mounting for Softswitch128® Panels
Panel Size Distance
MiniandTUB16* 45in(1140mm)
StandardandTUB48* 26in(660mm)
Large 10in(254mm)
ExtraLarge 7in(178mm)
IEC PELV/NEC®
Class 2 Wiring
hereonly!Use
this location for
proper voltage
spacing.
* Seepage16formoreinformation.
13
369-346b 14 08.08.12
Power Equipment
Softswitch128®
Switching Systems
®
Page
SPECIFICATION SUBMITTAL
Job Name:
Job Number:
Model Numbers:
H
SH
H
SH
H
SH
H
SH
H
N
N
N
H
H
H
H
Ground
Ground
Do not wire to
these terminals
Neutral
277 V~
120 V~
Neutral
{
120 V~
120 V~
277 V~
Control
Feed
120 V~
Control
Feed
OR
H
N
N
N
H
H
H
H
H
N
N
N
H
H
H
H
H
N
N
N
H
H
H
H
H
N
N
N
H
H
H
H
Wire the Softswitch128®panelasshown.UseatroughwhentheSoftswitch128®Panelisnotadjacenttoa
distributionpanel.SpliceNeutralsintrough.
Donotremovebypassjumpersuntilloadwiringisverified.
Leaving bypass jumpers installed allows Softswitch128® panels to be
used to provide temporary lighting, until load wiring is verified.
XPSwitching
Module
(4circuits)
Softswitch128®
Controller
Hot
Neutral
Load
Switched Load Wiring
Each switched circuit
requires a dedicated
20A circuit breaker
and feed wiring to/from
a distribution panel.
Control Wiring
Control wiring requires a dedicated feed and circuit
breaker.
Wire Sizes
•14to10AWG(2.5to4.0mm
2
)forFeedWiringand
Switched Load Wiring.
•Power(Hot/Live)andSwitchedHot/Liveconnect
directlytoTerminalBlockforSwitchLegs.
Feed-through Softswitch128® Wiring Overview
Ground
Bus
CircuitBreaker
Control Circuit
•Suppliespowerforinternaloperation.
• Lutronrecommendsadedicated120V~ or
277V~
,20A,1phase2wirefeedtopowerthe
control circuit in the panel.
•Ifcontrolcircuitistappedfromacircuitthatpowers
arelayinthepanel,itdrawsamaximumof1.5A
toward the total load for that circuit.
14
369-346b 15 08.08.12
Power Equipment
Softswitch128®
Switching Systems
®
Page
SPECIFICATION SUBMITTAL
Job Name:
Job Number:
Model Numbers:
H
SH
H
SH
H
SH
H
SH
Wire Sizes
Softswitch128® panel load center accepts the
followingfeederwiresizes:
Wireswitchedloadsasshown:
Allloadwiringsizesmustbebetween14to10AWG(2.5to4.0mm
2
).
Softswitch128®
Controller
SwitchedHot
Neutral
MainFeeds:
PhaseA,B,C
andNeutral
XPSwitching
Module(4circuits)
Softswitch128® with Branch Circuit Breakers Wiring Overview
Donotremovebypassjumpersuntilloadwiringisverified.
Leaving bypass jumpers installed allows Softswitch128® panels to be
used to provide temporary lighting until load wiring is verified.
GroundBus
NOTES
•For120V~ and
277V~ panels that have 28
or less switch legs, a dedicated
20Abreakerisprovidedto
power the control circuit.
•For120V~ and
277V~ panels that have
32ormoreswitchlegs,the
control circuit is powered from
circuitbreaker#1whichalso
powersrelay#1.Thecontrol
circuitcoulddrawamaximum
of1.5Atowardthetotalload
capacity for that circuit.
Load
120 V~ 277 / 347 V~
4AWG(25mm
2
)
to250kcmil(mcm)
(120mm
2
)
4AWG(25mm
2
)
to350kcmil(mcm)
(185mm
2
)
15
369-346b 16 08.08.12
Power Equipment
Softswitch128®
Switching Systems
®
Page
SPECIFICATION SUBMITTAL
Job Name:
Job Number:
Model Numbers:
NOTES
• Emergency Power: The additional 18AWG(0.75mm()
wireisa“sense”linefromterminal5ofanotherPanel.
ThissenselineallowsanEmergency(Essential)Lighting
Panelto“sense”whenNormal(Non-Essential)poweris
lost.IfmorethanoneEmergencyLightingPanelneeds
tosensefromaspecificNormalPanel,adedicated
wirebetweeneachpairofNormal(Non-Essential)and
Emergency(Essential)panelsmayberequired.
• Shield/Drain:Connectshieldingasshown.Donot
connecttoGround(Earth)orCircuitSelector.Connect
the bare drain wires and cut off the outside shield.
IECPELV/NEC® Class 2wiringlinkrequires:
• Two12AWG(4.0mm
2
) conductors for control wiring.
• Oneshielded,twistedpair18AWG(0.75mm
2
) for data link.
FOMX-1B
Softswitch128
® Panel
SO-7B
OMX-AV
2xContact
ClosureInputs
NOTE:LinkTerminators(LT-1)arerequiredatthestart
and end of the Softswitch128® IECPELV/NEC® Class 2
link.LT-1’sareincludedwiththeSoftswitch128® panel.
OMX-CCO-8
Upto32devices
and16panels
Softswitch128® Controller Wiring Details
FortheIECPELV/NEC® Class 2 link, use
GRX-CBL-46Lorequivalent.Thecableconsistsof:
•Two12AWG(4.0mm() wires.
•One22AWG(0.34mm() twisted shielded pair.
•One18AWG(0.75mm() wire for Emergency Sense.
Forcontactclosureinputwiringuse18AWG(0.75mm()
orlarger.Keepwirerunslessthan500ft(152m).
Low-Voltage IEC PELV/NEC® Class 2 Wiring
•Low-voltageIECPELV/NEC® Class 2 wiring is used for all system communications.
•Wiringmustbedaisy-chained.
•Low-voltagewiringmustruninaseparatetroughfromline(mains)voltage.
•Mustbelessthan2000ft(600m) long.
•InstallLinkTerminators(LT-1)atthestartandendoftheIECPELV/NEC® Class 2 Link.
1
LutronhasapprovedcablefromBelden,Liberty,Alpha,andSignature.
Ask for Lutron®GRAFIKEye® Cable.
1
234
D
5
1
234
1:Common(black)
2:V+(red)
3:MUX(purple)
4:MUX(white)
D:Shield/Drain(bare)
5:Sense(orange)
(colorsasperGRX-CBL-46L
1
)
1:ContactClosure1
2:Common
3:ContactClosure2
4:Common
Softswitch128® Controller
(top)
16
369-346b 17 08.08.12
Power Equipment
Softswitch128®
Switching Systems
®
Page
SPECIFICATION SUBMITTAL
Job Name:
Job Number:
Model Numbers:
Mini Softswitch128® Rough-In Panels
(maximumfeedpercircuit:20A)
Standard Softswitch128® Rough-In Panels
(maximumfeedpercircuit:20A)
Wire Sizes
•14to10AWG(2.5to4.0mm()forFeedWiringand
SwitchLegs(toloads).
•Power(Hot/Live)andSwitchedHot/Liveconnectdirectly
toTerminalBlockforSwitchLegs.
Rough-In Softswitch128® Panels – Feed-through Only
(withoutbranchcircuitbreakers)
Rough-inpanelsareorderedanddeliveredastwoparts:anemptytubandapre-wiredbaseplate.The
pre-wiredbaseplateincludesswitchingmodules,terminalblocks,Softswitch128® controller, power supply and
panel cover.
Thefollowingtablesdetailthemodelnumbersforthetwocomponentsrequiredforavailablerough-inpanels.
SINT12-FT
SINT44-FT
Mini Baseplate
Standard Baseplate
Switch Legs Tub Part
Number
Baseplate Number
(120/277 V~)
8
TUB16 SINT8-FT
12
TUB16 SINT12-FT
16
TUB16 SINT16-FT
Switch Legs Tub Part
Number
Baseplate Number
(120/277 V~)
20 TUB48 SINT20-FT
24 TUB48 SINT24-FT
28 TUB48 SINT28-FT
32 TUB48 SINT32-FT
36 TUB48 SINT36-FT
40 TUB48 SINT40-FT
44 TUB48 SINT44-FT
48 TUB48
SINT48-FT
17
369-346b 18 08.08.12
Power Equipment
Softswitch128®
Switching Systems
®
Page
SPECIFICATION SUBMITTAL
Job Name:
Job Number:
Model Numbers:
2.21
(56)
1.34
(34)
2.21
(56)
4.09
(104)
15.13
(384)
14.38 (365)
0.15
(4)
54.15
(105)
24.00
(610)
10.75
(273)
21.50
(546)
8.00
(203)
15.875
(403)
24.50
(622)
TUB16 Dimensions
Left Side View
Top View
Right Side View
Bottom View
Suggested Mounting Height
MountTUB16ataheightof45in(1140mm),
measured from floor to bottom of panel for optimal
LCDviewing.
Alldimensionsshownas:in(mm).
Front View
Cover
18
369-346b 19 08.08.12
Power Equipment
Softswitch128®
Switching Systems
®
Page
SPECIFICATION SUBMITTAL
Job Name:
Job Number:
Model Numbers:
4.15 (105)
41.75 (1060)
2.69 (68)
2.43 (62)
15.875
(403)
8.00
(203)
14.375
(365)
59.50 (1511)
2.43 (62)
11.00
(279)
15.125
(394)
59.00
(1499)
4.21
(107)
0.150
(4)
TUB48 Dimensions
Bottom View
Left Side View
Top View
Right Side View
Suggested Mounting Height
MountTUB48ataheightof26in(660mm),measured
fromfloortobottomofpanelforoptimalLCDviewing.
Alldimensionsshownas:in(mm).
Front View
Cover
19
369-346b 20 08.08.12
Power Equipment
Softswitch128®
Switching Systems
®
Page
SPECIFICATION SUBMITTAL
Job Name:
Job Number:
Model Numbers:
Number
of
Circuits
Prefix
XPS24-1A1B-2774ML-20-CGP____
Voltage
Feed
Breaker
Rating
How to Build a Model Number with 480 V~ Contactors
2-Pole
4-Pole
CustomPanel
Suffix
Prefix
XPS
(Softswitch128® panels)
Number of Circuits
Totalnumberofcircuits(switchlegs)inthe
panelnotincluding480V~.
2-Pole (A)
Totalnumberof2-pole30Acontactorsin
the panel.
4-Pole (B)
Totalnumberof4-pole30Acontactorsin
the panel.
Voltage
277
(277V~ )
Omitforfeed-throughpanels.
Feed
FT
(feed-throughpanels)
4ML(3phase4wirefeeders)
Breaker Rating
Omitforfeed-throughpanels.
20(20Abranchcircuitbreakers;20Abranchcircuit
breakershavea16Acontinuousloadrating).
Custom Panel Suffix
Indicatespanelwithspecialoptions.
Contact Lutron for specific options.
•Availableinlargeenclosuresizeonly.
•Branchcircuitbreakerandfeed-throughmodelsare
available.
•Contactorsprovidedin2poleand4pole,30A
maximum.
Softswitch128® Panels with 480 V~ Contactors
20
369-346b 21 08.08.12
Power Equipment
Softswitch128®
Switching Systems
®
Page
SPECIFICATION SUBMITTAL
Job Name:
Job Number:
Model Numbers:
Large Softswitch128® Feed-through Models for 277 V~ and 480 V~ Contactors
1
Wire Sizes
•14to10AWG(2.5to4.0mm()forFeedWiringand
SwitchLegs(toloads).
•Power(Hot/Live)andSwitchedHot/Liveconnect
directlytoTerminalBlockforSwitchLegs.
Feed-through Softswitch128® Panels with 480 V~ Contactors
(withoutbranchcircuitbreakers)
1
Contact Lutron for lead time.
Model Prefix Switch Legs 2-Pole 4-Pole Feed Type Maximum
Feed
XPS8 8
8ContactorsMaximum Feed-through 277V~ 20A
XPS12 12
XPS16 16
XPS20 20
XPS24 24
XPS28 28
XPS32 32
XPS36 36
XPS40 40
XPS44 44
XPS48 48
21
369-346b 22 08.08.12
Power Equipment
Softswitch128®
Switching Systems
®
Page
SPECIFICATION SUBMITTAL
Job Name:
Job Number:
Model Numbers:
Wire Sizes
•14to10AWG(2.5to4.0mm()
Large Softswitch128
® Panels with Circuit Breakers for 277 V~ (max. feed is 250 A)
and 480 V~ Contactors
1
Branch Circuit Breaker Softswitch128® Panels with 480 V~ Contactors
Large Softswitch128® Panels with Circuit Breakers for 277 V~ (max. feed is 250 A)
and 480 V~ Contactors with 2-Pole Breakers
2
to Power the 480 V~ load
1
1
Contact Lutron for lead time.
2
Each480V~ pole requires a 2 pole breaker. The Softswitch®panelhasa30positionloadcenter.
Model Prefix Switch Legs 2-Pole 4-Pole Feed Type
XPS8 8
5ContactorMaximum
3Ø4WMainLug
Accepts
4AWG
(25mm()
to
250
kcmil(mcm)
(120mm()
XPS12 12
5ContactorMaximum
XPS16 16 5ContactorMaximum
XPS20 20 5ContactorMaximum
XPS24 24 1ContactorMaximum
XPS28 28 1ContactorMaximum
Model Prefix Switch Legs 2-Pole 4-Pole Feed Type
XPS8 8
5ContactorMaximum
(20PoleMaximum)
3Ø4WMainLug
Accepts
4AWG
(25mm() to
250
kcmil(mcm)
(120mm()
XPS12 12
5ContactorMaximum
(8PoleMaximum)
XPS16 16 5ContactorMaximum
(6PoleMaximum)
XPS20 20 5ContactorMaximum
(4PoleMaximum)
XPS24 24 1ContactorMaximum
(2PoleMaximum)
XPS28 28 1ContactorMaximum
(1PoleMaximum)
22
369-346b 23 08.08.12
Power Equipment
Softswitch128®
Switching Systems
®
Page
SPECIFICATION SUBMITTAL
Job Name:
Job Number:
Model Numbers:
H
SH
H
SH
H
SH
H
SH
H
SH
H
SH
H
SH
H
SH
H
N
N
N
H
H
H
H
Ground
Ground
Do not wire to
these terminals
Neutral
277 V~
120 V~
Neutral
{
120 V~
120 V~
277 V~
Control
Feed
120 V~
Control
Feed
OR
H
N
N
N
H
H
H
H
XPSwitching
Module
(4circuits)
Hot
Neutral
Load
Switched Load Wiring
Each switched circuit
requires a dedicated
20Amax.circuitbreaker
and feed wiring to/from
a distribution panel.
Control Wiring
Control wiring requires
a dedicated feed and
circuit breaker.
GroundBus
CircuitBreaker
480 V~ Contactor Softswitch128® Panels, Feed-through Wiring Overview
(withoutbranchcircuitbreakers)
480 V~ Control Wiring
The contactors need to be
wiredtoanXPoutput.
480 V~ Contactor Load Wiring
Each contactor circuit requires a
dedicated2-pole277V~30A
max.circuitbreaker.
Hot
Neutral
Hot
Wire the Softswitch128®panelasshown.UseatroughwhentheSoftswitch128®Panelisnotadjacenttoa
distributionpanel.SpliceNeutralsintrough.
Load
Softswitch128®
Controller
23
369-346b 24 08.08.12
Power Equipment
Softswitch128®
Switching Systems
®
Page
SPECIFICATION SUBMITTAL
Job Name:
Job Number:
Model Numbers:
H
SH
H
SH
H
SH
H
SH
480 V~ Contactor Softswitch128® Panels with Branch Circuit Breakers
Load Wiring Overview
Wire the Softswitch128® panel as shown.
Softswitch128®
Controller
SwitchedHot
Neutral
Load
MainFeeds:
PhaseA,B,C
andNeutral
XPSwitching
Module(4circuits)
DoNotRemovebypass
jumpers until load wiring
is verified.
Leaving bypass
jumpers installed allows
Softswitch128
® panels to be
used to provide temporary
lighting until load wiring
is verified.
GroundBus
480V~ Contactor
480 V~ Contactor Load Wiring
Each contactor circuit requires
adedicated2-pole277V~
30Acircuitbreaker.The2-pole
breaker could be installed in the
Softswitch128
® panel or in a
distribution panel by others.
480 V~ Control Wiring
The contactors need to be
wiredtoanXPoutput.
Hot
Load
24
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Softswitch128 Switching System

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Completed 15 February 2021

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