An autotransformer is a transformer with only one winding, which is wrapped around a set of core pieces. This winding acts both as the primary winding and the secondary winding of the transformer. Instead of having separate primary and secondary windings like a standard two-winding transformer, an autotransformer has only one winding and the voltage is stepped up or down as required. Autotransformers are generally much lighter, less expensive, and more space efficient than two-winding voltage transformers. They are commonly used to provide voltage adjustment in electric power distribution networks, and for things such as impedance matching for antenna designs and audio applications.

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    ATS800VA-230/110V U


    Autotransformer; 230VAC; Power:800VA; Usec.1:115V
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    Toroidy 12
    Ships to you
    between Tue. 04 Apr to Mon. 10 Apr
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    USD 97.2405

    Multiples of: 1

           
    175C-NA


    Autotransformers PlugIn/StepDown Auto 300VA/NA 230-115VAC
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    Hammond 5
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    between Tue. 04 Apr to Mon. 10 Apr
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    USD 54.413

    Multiples of: 1

    300 VA   3.81 in5 in3.16 in
    ATS500VA-230/110V


    Autotransformer; 230VAC; Power:500VA; Usec.1:110-115V
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    Toroidy 4
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    between Tue. 04 Apr to Mon. 10 Apr
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    USD 66.8997

    Multiples of: 1

           
    170J


    Autotransformers 2000VA AUTO TRANS
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    Hammond 4
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    between Mon. 10 Apr to Wed. 12 Apr
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    USD 265.5843

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    2 kVA115 V Chassis111.3 mm168.4 mm133.4 mm
    170SE


    Autotransformers Auto, Hard-Wired Enclosed 50VA
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    Hammond 2
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    between Mon. 10 Apr to Wed. 12 Apr
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    USD 92.3738

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    50 VA115 V Chassis4.13 in4 in3.13 in
    170JE


    Autotransformers 2000VA AUTO TRANS
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    Hammond 2
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    between Mon. 10 Apr to Wed. 12 Apr
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    USD 288.6844

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    2 kVA115 V Chassis111.3 mm177.8 mm139.7 mm
    168B


    hard wired line autotransformers
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    Hammond 1
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    between Mon. 10 Apr to Wed. 12 Apr
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    USD 64.6537

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    200 VA115 V85 V /95 V /105 V /110 V /115 V /125 vChassis79.5 mm82.6 mm96.8 mm
    168E


    Autotransformers 750VA LINE ADJ AUTO
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    Hammond 1
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    between Tue. 04 Apr to Mon. 10 Apr
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    USD 177.2725

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    750 VA  Chassis95.3 mm114.3 mm115.8 mm
    170E


    Autotransformers 230/115V 750 VA
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    Hammond 1
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    between Mon. 10 Apr to Wed. 12 Apr
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    USD 184.7475

    Multiples of: 1

    750 VA115 V Chassis95.3 mm139.7 mm115.8 mm
    170G


    Autotransformers 1500VA 230/115
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    Hammond 1
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    between Mon. 10 Apr to Wed. 12 Apr
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    USD 219.3975

    Multiples of: 1

    1.5 kVA115 V Chassis111.3 mm168.4 mm133.4 mm