Autotransformer

Autotransformers offer an efficient and economical solution for connecting electrical equipment to power supplies of differing voltages. By sharing part of the winding between the primary and secondary circuits, these transformers achieve effective voltage conversion.
However, the lack of isolation between circuits may not be suitable for all power systems, especially where isolation is required or if there is no grounded neutral on the secondary side of the upstream transformer.
Typical applications include motor loads in industrial machinery, electric heating, and air conditioning units. Specialty autotransformers are also available for specific needs such as motor-starters, battery-chargers, and zig-zag grounding configurations. Contact us for more information.
Our autotransformers are CSA certified (File No. LR34493) and UL listed (File No. E108255), ensuring compliance with high-quality performance and safety standards.

Product filter

Phases

Incoming Voltage

kVA

VA

Horsepower

Panel Board

Primary Voltage

Secondary Voltage

Enclosure Type

Conductor Material

Transformer Calculator

Transformer Calculator
Radio Buttons

Insert any two values. The third will be calculated.

Showing 37–48 of 50 results

  • MC50H-C

    Catalog No.:MC50H-C

    Autotransformer
    Phases: 1
    kVA: 50
    Primary Voltage: 480
    Secondary Voltage: 240
    Conductor Material: Copper

    Out of stock

    Current lead time 3-4 weeks

    $2,084.21 USD

    MC50H-C

    SKU: 5896e6945e4b Category:

    Out of stock

    Current lead time 3-4 weeks

    $2,084.21 USD
  • RC6J-B

    Catalog No.:RC6J-B

    Autotransformer
    Phases: 3
    kVA: 6
    Primary Voltage: 600
    Secondary Voltage: 208
    Conductor Material: Copper

    Out of stock

    Current lead time 3-4 weeks

    $1,643.80 USD

    RC6J-B

    SKU: 155e45f9c803 Category:

    Out of stock

    Current lead time 3-4 weeks

    $1,643.80 USD
  • RC3J-B

    Catalog No.:RC3J-B

    Autotransformer
    Phases: 3
    kVA: 3
    Primary Voltage: 600
    Secondary Voltage: 208
    Conductor Material: Copper

    Out of stock

    Current lead time 3-4 weeks

    $1,279.98 USD

    RC3J-B

    SKU: 140f7b1892ba Category:

    Out of stock

    Current lead time 3-4 weeks

    $1,279.98 USD
  • RC3J-C

    Catalog No.:RC3J-C

    Autotransformer
    Phases: 3
    kVA: 3
    Primary Voltage: 600
    Secondary Voltage: 240
    Conductor Material: Copper

    Out of stock

    Current lead time 3-4 weeks

    $1,128.27 USD

    RC3J-C

    SKU: 76f98ce2790d Category:

    Out of stock

    Current lead time 3-4 weeks

    $1,128.27 USD
  • MC150J-H

    Catalog No.:MC150J-H

    Autotransformer
    Phases: 1
    kVA: 150
    Primary Voltage: 600
    Secondary Voltage: 480
    Conductor Material: Copper

    Out of stock

    Current lead time 3-4 weeks

    $3,409.12 USD

    MC150J-H

    SKU: 0c77ecd03b1d Category:

    Out of stock

    Current lead time 3-4 weeks

    $3,409.12 USD
  • MC100J-H

    Catalog No.:MC100J-H

    Autotransformer
    Phases: 1
    kVA: 100
    Primary Voltage: 600
    Secondary Voltage: 480
    Conductor Material: Copper

    Out of stock

    Current lead time 3-4 weeks

    $2,715.36 USD

    MC100J-H

    SKU: 176fa23b5c27 Category:

    Out of stock

    Current lead time 3-4 weeks

    $2,715.36 USD
  • MC75J-H

    Catalog No.:MC75J-H

    Autotransformer
    Phases: 1
    kVA: 75
    Primary Voltage: 600
    Secondary Voltage: 480
    Conductor Material: Copper

    Out of stock

    Current lead time 3-4 weeks

    $2,256.54 USD

    MC75J-H

    SKU: 244b16038e6c Category:

    Out of stock

    Current lead time 3-4 weeks

    $2,256.54 USD
  • MC7J-H

    Catalog No.:MC7J-H

    Autotransformer
    Phases: 1
    kVA: 7.5
    Primary Voltage: 600
    Secondary Voltage: 480
    Conductor Material: Copper

    Out of stock

    Current lead time 3-4 weeks

    $646.62 USD

    MC7J-H

    SKU: a820a776c07c Category:

    Out of stock

    Current lead time 3-4 weeks

    $646.62 USD
  • MC5J-H

    Catalog No.:MC5J-H

    Autotransformer
    Phases: 1
    kVA: 5
    Primary Voltage: 600
    Secondary Voltage: 480
    Conductor Material: Copper

    Out of stock

    Current lead time 3-4 weeks

    $473.55 USD

    MC5J-H

    SKU: 1ecc68de05c6 Category:

    Out of stock

    Current lead time 3-4 weeks

    $473.55 USD
  • RC150J-H

    Catalog No.:RC150J-H

    Autotransformer
    Phases: 3
    kVA: 150
    Primary Voltage: 600
    Secondary Voltage: 480
    Conductor Material: Copper

    Out of stock

    Current lead time 3-4 weeks

    $3,744.95 USD

    RC150J-H

    SKU: ace84302e2f5 Category:

    Out of stock

    Current lead time 3-4 weeks

    $3,744.95 USD
  • RC112J-H

    Catalog No.:RC112J-H

    Autotransformer
    Phases: 3
    kVA: 112.5
    Primary Voltage: 600
    Secondary Voltage: 480
    Conductor Material: Copper

    Out of stock

    Current lead time 3-4 weeks

    $2,853.08 USD

    RC112J-H

    SKU: febfacf59002 Category:

    Out of stock

    Current lead time 3-4 weeks

    $2,853.08 USD
  • RA112J-H

    Catalog No.:RA112J-H

    Autotransformer
    Phases: 3
    kVA: 112.5
    Primary Voltage: 600
    Secondary Voltage: 480
    Conductor Material: Aluminum

    Out of stock

    Current lead time 3-4 weeks

    $2,562.92 USD

    RA112J-H

    SKU: 9d9c0461e3ad Category:

    Out of stock

    Current lead time 3-4 weeks

    $2,562.92 USD

IF YOU HAVE ANY QUESTIONS, LET US KNOW!

Do you have any questions? Contact us and our specialists will answer you.