VentilatedDistributionTransformers
DriveIsolationTransformers:7.5–440kVA,ThreePhase
SpecialVoltagesandkVASizesforDriveApplications
ForSCR(SiliconControlRectifier)variablespeedmotordrive applications,atransformerisneededtomagneticallyisolate theincominglinefromthemotor drive.The transformer
mustalsoprovideavoltagechangetomatchtherequired voltageoftheSCRDrive.Standarddesignsaredeltaprimary andwyesecondarytomatchthecommon powersources requiredinmostthreephaserectifiercircuits.
SolaHDdriveisolationtransformersarespecificallydesigned tohandlethemechanicalstresses,voltage demandsand harmonicsassociatedwithSCRapplications.
Applications
•SCRVariableSpeedDrives
Features
•Availablefrom7.5thru440kVA,3Phase,60Hz.
• Isolation minimizes load disturbances caused by the
SCRdrive.
• UL Listed/NEMA Type 3R enclosures when used with
optional weathershield.
•Tapsonallunitsforadjustments toincomingsource voltage.Fullcapacitysecondaryneutralasrequired bytheNationalElectricCode.
• Shielding attenuates line to ground noise.
•10yearlimitedwarranty
CertificationsandCompliances
•Listed:E77014
-UL506
-CSAC22.2No.66
• Listed:E25872
-UL1561
RelatedProducts
• Surge Protective Devices
•K-13Rated Transformers forVariableFrequency Drives
Accessories
•WeatherShields