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HS22F2A

Sola HS22F2A 2KVA 240X480-24/48 BB

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Sola HS22F2A 2KVA 240X480-24/48 BB

Sola Hevi Duty
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List Price: $796.31
$647.00
Savings: $149.31
HS22F2A
  • Manufacturer:: Sola Hevi Duty
Product Code: HS22F2A

Description

Buck–BoostTransformers

Buck-Boost transformersaresmall,singlephase,drytype distributiontransformersdesignedandshippedas insulating/isolatingtransformers.Theyhaveadualvoltage primaryandadualvoltagesecondary.Thesetransformers canbeconnected forawiderange ofvoltagecombinations. Themostcommonuseistobuck(lower)orboost (raise)

thesupplyvoltageasmallamount, usually 5to27%. Buck-boosttransformersareincompliancewithNEC Article210.9, Exception1whenfieldconnected as

anautotransformer.

Themajoradvantages ofBuck-boosttransformersaretheir lowcost, compactsizeandlightweight.Theyarealsomore efficientandcost lessthanequivalentisolationtransformers. Whenconnectedasanautotransformer,theycanhandle loadsupto20 timesthenameplaterating.Abuck-boost transformer istheidealsolutionforchanging linevoltageby smallamounts.


Whenabuck-boosthastheprimaryandsecondarywindings connected,perrecommendedinstructions,itbecomesan autotransformer.Now, onlythesecondarywindingsare transformingvoltageandcurrent.ThemajorityofthekVA

loadpassesdirectlyfromthesupplytotheload.Thisisthe

reasonbuck-boosttransformerscansupplyaloadwitha muchlargerkVAratingthanthenameplateindicates.

Lowvoltagelightingcontrolapplications

SolaHDbuck-boosttransformersaredesignedtosupply powertolow voltagelightingcircuits,controlpanels or othersystemsrequiring12, 16, 24, 32, or48 Volts.When connectedasaninsulatingtransformer(byfollowingthe wiringdiagramlocated afterthespecificationtables onthe insideofthetransformer case), thetransformerscapacity matchesthenameplatekVA rating.

SolaHDbuck-boosttransformersarealsosuitedforlow voltagelandscape lighting.TheyareULListedforoutdoor serviceandtheircompact sizemakes themtheperfect solutionforprovidingpowertoaccentlightingapplications. ElectricalConnectiondiagramsareshownattheendof

thissection.

Usedimmersontheoutput ofthetransformerthatare designedandratedforusewithmagneticloads.Westrongly recommendcontactingthedimmermanufacturerforadvice onyourspecificlightingapplication.

CertificationsandCompliances

Listed

-UL506

-CSAC22.2No.66


Accessories

SurgeProtective Devices

ActiveTracking®Filters

Threephase,buck-boostapplicationsrequiretwoorthree transformers.Checkthe“QuantityRequired”columnofthe ThreePhaseSelectionTablesfortheexactquantity.

FusingBuck-BoostTransformers

Fordeterminingthecorrect sizeofbreaker orfuseforagiven

rangeofinputoroutput ampereratings,refertoSection

450.4, oftheNationalElectricCode (NEC).

Whereanovercurrent protection deviceisrequired,the electricalconnectionsandselectiontableswillreference appropriately.

UsingtheSelectionTables

1. DetermineifyouaretryingtoBoost(raise)orBuck (lower)yourvoltage.Selectaninput/outputvoltage combinationthatcomesclosesttomatchingyour applicationfromtheappropriatesingleorthreephase chartsonthefollowingpages.

2. Moveacross yourselectedinput/outputvoltagerowto theamperageorkVAratingclosestto,butgreaterthan theratingrequiredbyyourload.

3. Readingthetopofthecolumnwillgiveyouthe catalognumberoftheexactbuck-boosttransformer youneed. SeetheSpecificationTablesonthe

nextpage.

4.Connectthetransformersaccordingtothediagram indicated.SeetheElectricalConnectionssectionatthe endofthissection.Connectiondiagramsarepacked witheachtransformer.

Selection Steps

1.InputLineVoltage

Measure thesupplyvoltagewithavoltmeter.

2.VoltageRequiredfortheLoad

Checktheloadequipmenttodetermine thevoltage

requirement.

3.kVAorAmpereRatingoftheLoad

FindeithertheloadkVAortheloadamperage requirements.Thisinformationislistedonthe nameplateoftheloadequipment.

4.Frequency

Either50 or60 Hz.The frequencyofthetransformer mustmatchthefrequencyoftheload.

5.NumberofPhases

Singleorthreephaselineandloadmustmatch.

(Atransformer cannot convertsingletothreephase.) A common applicationistomakeasinglephase connectionfromathreephasesupplybyusingone phaseofthethreephasesupplycircuit.Becarefulnot tooverloadthatphaseofthethreephasesupply.For buck-boost applications thesupplymustprovideload kVAnotjustthenameplateratingofthebuck-boost. RefertotheSelectionTablesonthefollowingpages.








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