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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 Coil Motor starters start and stop a motor and protect against overvoltage and undervoltage Economical...
$2,352.44Each
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 Coil Motor starters start and stop a motor and protect against overvoltage and undervoltage Economical...
$2,492.89Each
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 Coil Motor starters start and stop a motor and protect against overvoltage and undervoltage Economical...
$2,563.11Each
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 Coil Motor starters start and stop a motor and protect against overvoltage and undervoltage Economical...
$3,277.04Each
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...
$3,593.04Each
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 Coil Motor starters start and stop a motor and protect against overvoltage and undervoltage Economical...
$4,693.19Each
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...
$16,736.30Each
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...
$23,922.37Each
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...
$30,347.70Each
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...
$5,699.70Each
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 Coil Motor starters start and stop a motor and protect against overvoltage and undervoltage Economical...
$6,636.00Each
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...
$7,408.44Each
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...
$8,871.41Each
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...
$10,217.33Each
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...
$11,305.78Each
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...
$14,863.70Each
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 Coil Motor starters start and stop a motor and protect against overvoltage and undervoltage Economical...
$1,860.89Each
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 Coil Motor starters start and stop a motor and protect against overvoltage and undervoltage Economical...
$1,954.52Each
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 Coil Motor starters start and stop a motor and protect against overvoltage and undervoltage Economical...
$2,071.56Each
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 Coil Motor starters start and stop a motor and protect against overvoltage and undervoltage Economical...
$2,668.44Each
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...
$2,867.41Each
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 Coil Motor starters start and stop a motor and protect against overvoltage and undervoltage Economical...
$3,756.89Each
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...
$13,400.74Each
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...
$19,112.15Each
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...
$24,285.19Each
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...
$4,552.74Each
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 Coil Motor starters start and stop a motor and protect against overvoltage and undervoltage Economical...
$5,278.37Each
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...
$5,910.37Each
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...
$7,127.56Each
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...
$8,169.19Each

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 Coil Motor starters start and stop a motor and protect against overvoltage and undervoltage Economical...
$2,352.44Each
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 Coil Motor starters start and stop a motor and protect against overvoltage and undervoltage Economical...
$2,492.89Each
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 Coil Motor starters start and stop a motor and protect against overvoltage and undervoltage Economical...
$2,563.11Each
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 Coil Motor starters start and stop a motor and protect against overvoltage and undervoltage Economical...
$3,277.04Each
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...
$3,593.04Each
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 Coil Motor starters start and stop a motor and protect against overvoltage and undervoltage Economical...
$4,693.19Each
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...
$16,736.30Each
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...
$23,922.37Each
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...
$30,347.70Each
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...
$5,699.70Each
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 Coil Motor starters start and stop a motor and protect against overvoltage and undervoltage Economical...
$6,636.00Each
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...
$7,408.44Each
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...
$8,871.41Each
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...
$10,217.33Each
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...
$11,305.78Each
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...
$14,863.70Each
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 Coil Motor starters start and stop a motor and protect against overvoltage and undervoltage Economical...
$1,860.89Each
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 Coil Motor starters start and stop a motor and protect against overvoltage and undervoltage Economical...
$1,954.52Each
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 Coil Motor starters start and stop a motor and protect against overvoltage and undervoltage Economical...
$2,071.56Each
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 Coil Motor starters start and stop a motor and protect against overvoltage and undervoltage Economical...
$2,668.44Each
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...
$2,867.41Each
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 Coil Motor starters start and stop a motor and protect against overvoltage and undervoltage Economical...
$3,756.89Each
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...
$13,400.74Each
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...
$19,112.15Each
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...
$24,285.19Each
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...
$4,552.74Each
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 Coil Motor starters start and stop a motor and protect against overvoltage and undervoltage Economical...
$5,278.37Each
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...
$5,910.37Each
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...
$7,127.56Each
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...
$8,169.19Each
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