Shop Hammond Autotransformers
Hammond Power Solutions has a collection of Autotransformers to change the voltage in commercial and industrial settings. This collection includes General Purpose Autotransformers and Motor Starting Autotransformers. See Hammond’s collection of autotransformers at HomElectrical!
500 HP Motor Starting Autotransformer, 3 Ph, 3 Coil, 600V
3009D5.
500 HP; 600V; 3 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$10,217.33Each
600 HP Motor Starting Autotransformer, 3 Ph, 3 Coil, 600V
3009D6.
600 HP; 600V; 3 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$11,305.78Each
800 HP Motor Starting Autotransformer, 3 Ph, 3 Coil, 600V
3009D8.
800 HP; 600V; 3 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$14,863.70Each
3kVA General Purpose Autotransformer, 3 Ph, 240V, 216V-208V
Y003CECB
3kVA; Three Phase240Y, 216Y-208YNo neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding...
$410.93Each
3kVA General Purpose Autotransformer w/ Neutral, 3 Ph, 240V, 216V-208V
Y003CECB3L0U
3kVA; Three Phase240Y, 216Y-208YWith neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding...
$480.41Each
3kVA General Purpose Autotransformer, 3 Ph, 600V-480V
Y003PKCB
3kVA; Three Phase600Y-480YNo neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding design...
$400.01Each
3kVA General Purpose Autotransformer w/ Neutral, 3 Ph, 600V-480V
Y003PKCB3L0U
3kVA; Three Phase600Y-480YWith neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding design...
$458.58Each
3kVA General Purpose Autotransformer, 3Ph, 600V, 480V-400V, 240V, 208V
Y003QTCB
3kVA; Three Phase600Y, 480Y-400Y, 240Y, 208YNo neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a...
$724.59Each
3kVA GP Autotransformer w/ Neutral, 3 Ph, 600V, 480V-400V, 240V, 208V
Y003QTCB3L0U
3kVA; Three Phase600Y, 480Y-400Y, 240Y, 208YWith neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a...
$789.11Each
6kVA General Purpose Autotransformer, 3 Ph, 240V, 216V-208V
Y006CECB
6kVA; Three Phase240Y, 216Y-208YNo neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding...
$555.85Each
6kVA General Purpose Autotransformer w/ Neutral, 3 Ph, 240V, 216V-208V
Y006CECB3L0U
6kVA; Three Phase240Y, 216Y-208YWith neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding...
$575.70Each
6kVA General Purpose Autotransformer, 3 Ph, 600V-480V
Y006PKCB
Made to Order 6kVA; Three Phase 600Y-480Y No neutral terminals Heavy duty Type 3R enclosure Standard side and rear...
$531.04Each
6kVA General Purpose Autotransformer w/ Neutral, 3 Ph, 600V-480V
Y006PKCB3L0U
6kVA; Three Phase600Y-480YWith neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding design...
$615.41Each
6kVA General Purpose Autotransformer, 3Ph, 600V, 480V-400V, 240V, 208V
Y006QTCB
6kVA; Three Phase600Y, 480Y-400Y, 240Y, 208YNo neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a...
$903.26Each
6kVA GP Autotransformer w/ Neutral, 3 Ph, 600V, 480V-400V, 240V, 208V
Y006QTCB3L0U
6kVA; Three Phase600Y, 480Y-400Y, 240Y, 208YWith neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a...
$903.26Each
9kVA General Purpose Autotransformer, 3 Ph, 240V, 216V-208V
Y009CECB
9kVA; Three Phase240Y, 216Y-208YNo neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding...
$660.07Each
9kVA General Purpose Autotransformer w/ Neutral, 3 Ph, 240V, 216V-208V
Y009CECB3L0U
9kVA; Three Phase240Y, 216Y-208YWith neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding...
$719.63Each
9kVA General Purpose Autotransformer, 3 Ph, 600V-480V
Y009PKCB
9kVA; Three Phase600Y-480YNo neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding design...
$630.30Each
9kVA General Purpose Autotransformer w/ Neutral, 3 Ph, 600V-480V
Y009PKCB3L0U
9kVA; Three Phase600Y-480YWith neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding design...
$709.70Each
9kVA General Purpose Autotransformer, 3Ph, 600V, 480V-400V, 240V, 208V
Y009QTCF
9kVA; Three Phase600Y, 480Y-400Y, 240Y, 208YNo neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a...
$1,270.52Each
9kVA GP Autotransformer w/ Neutral, 3 Ph, 600V, 480V-400V, 240V, 208V
Y009QTCF3L0U
9kVA; Three Phase600Y, 480Y-400Y, 240Y, 208YWith neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a...
$1,270.52Each
15kVA General Purpose Autotransformer, 3 Ph, 240V, 216V-208V
Y015CECB
15kVA; Three Phase240Y, 216Y-208YNo neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding...
$873.48Each
15kVA General Purpose Autotransformer w/ Neutral, 3Ph, 240V, 216V-208V
Y015CECB3L0U
15kVA; Three Phase240Y, 216Y-208YWith neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding...
$873.48Each
15kVA General Purpose Autotransformer, 3 Ph, 600V-480V
Y015PKCB
15kVA; Three Phase600Y-480YNo neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding design...
$843.70Each
15kVA General Purpose Autotransformer w/ Neutral, 3 Ph, 600V-480V
Y015PKCB3L0U
15kVA; Three Phase600Y-480YWith neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding design...
$843.70Each
15kVA General Purpose Autotransformer,3Ph, 600V, 480V-400V, 240V, 208V
Y015QTCF
15kVA; Three Phase600Y, 480Y-400Y, 240Y, 208YNo neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a...
$1,578.22Each
15kVA GP Autotransformer w/ Neutral, 3 Ph, 600V, 480V-400V, 240V, 208V
Y015QTCF3L0U
15kVA; Three Phase600Y, 480Y-400Y, 240Y, 208YWith neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a...
$1,578.22Each
30kVA General Purpose Autotransformer, 3 Ph, 240V, 216V-208V
Y030CECF
30kVA; Three Phase 240Y, 216Y-208Y No neutral terminals Heavy duty Type 3R enclosure Standard side and rear knock-outs on...
$1,280.44Each
30kVA General Purpose Autotransformer w/ Neutral, 3Ph, 240V, 216V-208V
Y030CECF3L0U
30kVA; Three Phase240Y, 216Y-208YWith neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding...
$1,280.44Each
30kVA General Purpose Autotransformer, 3 Ph, 600V-480V
Y030PKCF
30kVA; Three Phase600Y-480YNo neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding design...
$1,250.67Each
500 HP Motor Starting Autotransformer, 3 Ph, 3 Coil, 600V
3009D5.
500 HP; 600V; 3 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$10,217.33Each
600 HP Motor Starting Autotransformer, 3 Ph, 3 Coil, 600V
3009D6.
600 HP; 600V; 3 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$11,305.78Each
800 HP Motor Starting Autotransformer, 3 Ph, 3 Coil, 600V
3009D8.
800 HP; 600V; 3 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$14,863.70Each
3kVA General Purpose Autotransformer, 3 Ph, 240V, 216V-208V
Y003CECB
3kVA; Three Phase240Y, 216Y-208YNo neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding...
$410.93Each
3kVA General Purpose Autotransformer w/ Neutral, 3 Ph, 240V, 216V-208V
Y003CECB3L0U
3kVA; Three Phase240Y, 216Y-208YWith neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding...
$480.41Each
3kVA General Purpose Autotransformer, 3 Ph, 600V-480V
Y003PKCB
3kVA; Three Phase600Y-480YNo neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding design...
$400.01Each
3kVA General Purpose Autotransformer w/ Neutral, 3 Ph, 600V-480V
Y003PKCB3L0U
3kVA; Three Phase600Y-480YWith neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding design...
$458.58Each
3kVA General Purpose Autotransformer, 3Ph, 600V, 480V-400V, 240V, 208V
Y003QTCB
3kVA; Three Phase600Y, 480Y-400Y, 240Y, 208YNo neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a...
$724.59Each
3kVA GP Autotransformer w/ Neutral, 3 Ph, 600V, 480V-400V, 240V, 208V
Y003QTCB3L0U
3kVA; Three Phase600Y, 480Y-400Y, 240Y, 208YWith neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a...
$789.11Each
6kVA General Purpose Autotransformer, 3 Ph, 240V, 216V-208V
Y006CECB
6kVA; Three Phase240Y, 216Y-208YNo neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding...
$555.85Each
6kVA General Purpose Autotransformer w/ Neutral, 3 Ph, 240V, 216V-208V
Y006CECB3L0U
6kVA; Three Phase240Y, 216Y-208YWith neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding...
$575.70Each
6kVA General Purpose Autotransformer, 3 Ph, 600V-480V
Y006PKCB
Made to Order 6kVA; Three Phase 600Y-480Y No neutral terminals Heavy duty Type 3R enclosure Standard side and rear...
$531.04Each
6kVA General Purpose Autotransformer w/ Neutral, 3 Ph, 600V-480V
Y006PKCB3L0U
6kVA; Three Phase600Y-480YWith neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding design...
$615.41Each
6kVA General Purpose Autotransformer, 3Ph, 600V, 480V-400V, 240V, 208V
Y006QTCB
6kVA; Three Phase600Y, 480Y-400Y, 240Y, 208YNo neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a...
$903.26Each
6kVA GP Autotransformer w/ Neutral, 3 Ph, 600V, 480V-400V, 240V, 208V
Y006QTCB3L0U
6kVA; Three Phase600Y, 480Y-400Y, 240Y, 208YWith neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a...
$903.26Each
9kVA General Purpose Autotransformer, 3 Ph, 240V, 216V-208V
Y009CECB
9kVA; Three Phase240Y, 216Y-208YNo neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding...
$660.07Each
9kVA General Purpose Autotransformer w/ Neutral, 3 Ph, 240V, 216V-208V
Y009CECB3L0U
9kVA; Three Phase240Y, 216Y-208YWith neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding...
$719.63Each
9kVA General Purpose Autotransformer, 3 Ph, 600V-480V
Y009PKCB
9kVA; Three Phase600Y-480YNo neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding design...
$630.30Each
9kVA General Purpose Autotransformer w/ Neutral, 3 Ph, 600V-480V
Y009PKCB3L0U
9kVA; Three Phase600Y-480YWith neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding design...
$709.70Each
9kVA General Purpose Autotransformer, 3Ph, 600V, 480V-400V, 240V, 208V
Y009QTCF
9kVA; Three Phase600Y, 480Y-400Y, 240Y, 208YNo neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a...
$1,270.52Each
9kVA GP Autotransformer w/ Neutral, 3 Ph, 600V, 480V-400V, 240V, 208V
Y009QTCF3L0U
9kVA; Three Phase600Y, 480Y-400Y, 240Y, 208YWith neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a...
$1,270.52Each
15kVA General Purpose Autotransformer, 3 Ph, 240V, 216V-208V
Y015CECB
15kVA; Three Phase240Y, 216Y-208YNo neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding...
$873.48Each
15kVA General Purpose Autotransformer w/ Neutral, 3Ph, 240V, 216V-208V
Y015CECB3L0U
15kVA; Three Phase240Y, 216Y-208YWith neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding...
$873.48Each
15kVA General Purpose Autotransformer, 3 Ph, 600V-480V
Y015PKCB
15kVA; Three Phase600Y-480YNo neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding design...
$843.70Each
15kVA General Purpose Autotransformer w/ Neutral, 3 Ph, 600V-480V
Y015PKCB3L0U
15kVA; Three Phase600Y-480YWith neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding design...
$843.70Each
15kVA General Purpose Autotransformer,3Ph, 600V, 480V-400V, 240V, 208V
Y015QTCF
15kVA; Three Phase600Y, 480Y-400Y, 240Y, 208YNo neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a...
$1,578.22Each
15kVA GP Autotransformer w/ Neutral, 3 Ph, 600V, 480V-400V, 240V, 208V
Y015QTCF3L0U
15kVA; Three Phase600Y, 480Y-400Y, 240Y, 208YWith neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a...
$1,578.22Each
30kVA General Purpose Autotransformer, 3 Ph, 240V, 216V-208V
Y030CECF
30kVA; Three Phase 240Y, 216Y-208Y No neutral terminals Heavy duty Type 3R enclosure Standard side and rear knock-outs on...
$1,280.44Each
30kVA General Purpose Autotransformer w/ Neutral, 3Ph, 240V, 216V-208V
Y030CECF3L0U
30kVA; Three Phase240Y, 216Y-208YWith neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding...
$1,280.44Each
30kVA General Purpose Autotransformer, 3 Ph, 600V-480V
Y030PKCF
30kVA; Three Phase600Y-480YNo neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding design...
$1,250.67Each
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