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...
$11,176.01Each
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...
$12,364.01Each
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...
$16,243.33Each
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...
$532.00Each
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...
$624.39Each
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...
$522.20Each
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...
$592.91Each
3kVA General Purpose Autotransformer, 3Ph, 600V, 480V-400V, 240V, 208V
Y003QTCB
MADE TO ORDER 3kVA; Three Phase 600Y, 480Y-400Y, 240Y, 208Y No neutral terminals Heavy duty Type 3R enclosure Standard...
$940.10Each
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...
$1,022.00Each
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...
$726.60Each
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...
$747.60Each
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...
$685.99Each
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...
$797.31Each
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...
$1,175.99Each
6kVA GP Autotransformer w/ Neutral, 3 Ph, 600V, 480V-400V, 240V, 208V
Y006QTCB3L0U
6kVA; Three Phase 600Y, 480Y-400Y, 240Y, 208Y With neutral terminals Heavy duty Type 3R enclosure Standard side and rear...
$1,175.99Each
9kVA General Purpose Autotransformer, 3 Ph, 240V, 216V-208V
Y009CECB
9kVA; Three Phase 240Y, 216Y-208Y No neutral terminals Heavy duty Type 3R enclosure Standard side and rear knock-outs on...
$858.91Each
9kVA General Purpose Autotransformer w/ Neutral, 3 Ph, 240V, 216V-208V
Y009CECB3L0U
9kVA; Three Phase 240Y, 216Y-208Y With neutral terminals Heavy duty Type 3R enclosure Standard side and rear knock-outs on...
$931.00Each
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...
$817.60Each
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...
$920.50Each
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...
$1,646.40Each
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...
$1,646.40Each
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...
$1,134.71Each
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...
$1,134.71Each
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...
$1,094.79Each
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...
$1,094.79Each
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...
$2,043.31Each
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...
$2,043.31Each
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...
$2,004.11Each
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...
$2,004.11Each
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...
$1,955.80Each
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...
$11,176.01Each
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...
$12,364.01Each
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...
$16,243.33Each
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...
$532.00Each
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...
$624.39Each
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...
$522.20Each
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...
$592.91Each
3kVA General Purpose Autotransformer, 3Ph, 600V, 480V-400V, 240V, 208V
Y003QTCB
MADE TO ORDER 3kVA; Three Phase 600Y, 480Y-400Y, 240Y, 208Y No neutral terminals Heavy duty Type 3R enclosure Standard...
$940.10Each
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...
$1,022.00Each
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...
$726.60Each
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...
$747.60Each
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...
$685.99Each
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...
$797.31Each
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...
$1,175.99Each
6kVA GP Autotransformer w/ Neutral, 3 Ph, 600V, 480V-400V, 240V, 208V
Y006QTCB3L0U
6kVA; Three Phase 600Y, 480Y-400Y, 240Y, 208Y With neutral terminals Heavy duty Type 3R enclosure Standard side and rear...
$1,175.99Each
9kVA General Purpose Autotransformer, 3 Ph, 240V, 216V-208V
Y009CECB
9kVA; Three Phase 240Y, 216Y-208Y No neutral terminals Heavy duty Type 3R enclosure Standard side and rear knock-outs on...
$858.91Each
9kVA General Purpose Autotransformer w/ Neutral, 3 Ph, 240V, 216V-208V
Y009CECB3L0U
9kVA; Three Phase 240Y, 216Y-208Y With neutral terminals Heavy duty Type 3R enclosure Standard side and rear knock-outs on...
$931.00Each
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...
$817.60Each
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...
$920.50Each
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...
$1,646.40Each
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...
$1,646.40Each
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...
$1,134.71Each
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...
$1,134.71Each
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...
$1,094.79Each
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...
$1,094.79Each
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...
$2,043.31Each
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...
$2,043.31Each
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...
$2,004.11Each
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...
$2,004.11Each
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...
$1,955.80Each