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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!

1-30 of 155 products

20/25 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
20/25 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B.2
20/25 HP; 240V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$2,345.69Each
30/40 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
30/40 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B.4
30/40 HP; 240V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$2,491.54Each
50 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
50 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B.5
50 HP; 240V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$2,564.46Each
60/75 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
60/75 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B.75
60/75 HP; 240V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$3,269.38Each
100 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
100 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B1.
100 HP; 240V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$3,585.38Each
125/150 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
125/150 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B1.5
125/150 HP; 240V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$4,691.38Each
1000 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
1000 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B10.
1000 HP; 240V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$16,711.54Each
1200 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
1200 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B12.
1200 HP; 240V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$23,882.31Each
1600 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
1600 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B16.
1600 HP; 240V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$30,299.54Each
200 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
200 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B2.
200 HP; 240V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$5,688.00Each
250 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
250 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B2.5
250 HP; 240V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$6,623.85Each
300 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
300 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B3.
300 HP; 240V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$7,401.69Each
400 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
400 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B4.
400 HP; 240V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$8,860.15Each
500 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
500 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B5.
500 HP; 240V; 2 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, 2 Coil, 240V
600 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B6.
600 HP; 240V; 2 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, 2 Coil, 240V
800 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B8.
800 HP; 240V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$14,839.85Each
20/25 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
20/25 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
2909C.2
20/25 HP; 480V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$1,859.54Each
30/40 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
30/40 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
2909C.4
30/40 HP; 480V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$1,956.77Each
50 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
50 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
2909C.5
50 HP; 480V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$2,066.15Each
60/75 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
60/75 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
2909C.75
60/75 HP; 480V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$2,661.69Each
100 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
100 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
2909C1.
100 HP; 480V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$2,868.31Each
125/150 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
125/150 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
2909C1.5
125/150 HP; 480V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$3,755.54Each
1000 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
1000 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
2909C10.
1000 HP; 480V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$13,381.38Each
1200 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
1200 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
2909C12.
1200 HP; 480V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$19,081.54Each
1600 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
1600 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
2909C16.
1600 HP; 480V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$24,246.92Each
200 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
200 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
2909C2.
200 HP; 480V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$4,545.54Each
250 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
250 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
2909C2.5
250 HP; 480V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$5,274.77Each
300 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
300 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
2909C3.
300 HP; 480V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$5,906.77Each
400 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
400 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
2909C4.
400 HP; 480V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$7,122.15Each
500 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
500 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
2909C5.
500 HP; 480V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$8,155.23Each

1-30 of 155 products

20/25 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
20/25 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B.2
20/25 HP; 240V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$2,345.69Each
30/40 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
30/40 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B.4
30/40 HP; 240V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$2,491.54Each
50 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
50 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B.5
50 HP; 240V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$2,564.46Each
60/75 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
60/75 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B.75
60/75 HP; 240V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$3,269.38Each
100 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
100 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B1.
100 HP; 240V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$3,585.38Each
125/150 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
125/150 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B1.5
125/150 HP; 240V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$4,691.38Each
1000 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
1000 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B10.
1000 HP; 240V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$16,711.54Each
1200 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
1200 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B12.
1200 HP; 240V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$23,882.31Each
1600 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
1600 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B16.
1600 HP; 240V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$30,299.54Each
200 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
200 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B2.
200 HP; 240V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$5,688.00Each
250 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
250 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B2.5
250 HP; 240V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$6,623.85Each
300 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
300 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B3.
300 HP; 240V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$7,401.69Each
400 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
400 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B4.
400 HP; 240V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$8,860.15Each
500 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
500 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B5.
500 HP; 240V; 2 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, 2 Coil, 240V
600 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B6.
600 HP; 240V; 2 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, 2 Coil, 240V
800 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 240V
2909B8.
800 HP; 240V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$14,839.85Each
20/25 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
20/25 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
2909C.2
20/25 HP; 480V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$1,859.54Each
30/40 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
30/40 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
2909C.4
30/40 HP; 480V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$1,956.77Each
50 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
50 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
2909C.5
50 HP; 480V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$2,066.15Each
60/75 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
60/75 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
2909C.75
60/75 HP; 480V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$2,661.69Each
100 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
100 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
2909C1.
100 HP; 480V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$2,868.31Each
125/150 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
125/150 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
2909C1.5
125/150 HP; 480V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$3,755.54Each
1000 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
1000 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
2909C10.
1000 HP; 480V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$13,381.38Each
1200 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
1200 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
2909C12.
1200 HP; 480V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$19,081.54Each
1600 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
1600 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
2909C16.
1600 HP; 480V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$24,246.92Each
200 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
200 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
2909C2.
200 HP; 480V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$4,545.54Each
250 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
250 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
2909C2.5
250 HP; 480V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$5,274.77Each
300 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
300 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
2909C3.
300 HP; 480V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$5,906.77Each
400 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
400 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
2909C4.
400 HP; 480V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$7,122.15Each
500 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
500 HP Motor Starting Autotransformer, 3 Ph, 2 Coil, 480V
2909C5.
500 HP; 480V; 2 CoilMotor starters start and stop a motor and protect against overvoltage and undervoltageEconomical open core and...
$8,155.23Each
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