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...
$10,197.08Each
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...
$11,290.92Each
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...
$14,839.85Each
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...
$406.12Each
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...
$475.18Each
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...
$395.82Each
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...
$453.54Each
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...
$716.38Each
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...
$778.23Each
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...
$551.46Each
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...
$566.92Each
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...
$525.69Each
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...
$608.15Each
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...
$891.62Each
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...
$891.62Each
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...
$654.54Each
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...
$711.23Each
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...
$623.62Each
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...
$700.92Each
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...
$1,257.54Each
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...
$1,257.54Each
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...
$865.85Each
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...
$865.85Each
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...
$834.92Each
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...
$834.92Each
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...
$1,556.46Each
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...
$1,556.46Each
30kVA General Purpose Autotransformer, 3 Ph, 240V, 216V-208V
Y030CECF
30kVA; Three Phase240Y, 216Y-208YNo neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding...
$1,267.85Each
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...
$1,267.85Each
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...
$1,236.92Each
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...
$10,197.08Each
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...
$11,290.92Each
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...
$14,839.85Each
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...
$406.12Each
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...
$475.18Each
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...
$395.82Each
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...
$453.54Each
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...
$716.38Each
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...
$778.23Each
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...
$551.46Each
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...
$566.92Each
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...
$525.69Each
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...
$608.15Each
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...
$891.62Each
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...
$891.62Each
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...
$654.54Each
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...
$711.23Each
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...
$623.62Each
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...
$700.92Each
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...
$1,257.54Each
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...
$1,257.54Each
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...
$865.85Each
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...
$865.85Each
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...
$834.92Each
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...
$834.92Each
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...
$1,556.46Each
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...
$1,556.46Each
30kVA General Purpose Autotransformer, 3 Ph, 240V, 216V-208V
Y030CECF
30kVA; Three Phase240Y, 216Y-208YNo neutral terminalsHeavy duty Type 3R enclosureStandard side and rear knock-outs on all unitsIncorporates a single winding...
$1,267.85Each
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...
$1,267.85Each
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...
$1,236.92Each
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