5 Year Warranty

Buy with confidence. All new and used Maddox transformers are tested and come with a full 5 year warranty against defects. If you experience any problems just give us a call and receive a replacement, free of charge. We'll even pay the shipping!

Fast Shipping

Shipping from 20 regional warehouses, delivery is never more than a few days away.

3-Phase Autotransformer 600-480-400-240-208v

SKU # MIT-AUT-114
$1,975.00 IN STOCK CALL FOR LEAD-TIME 866-719-1882

Delivers in 3-5 business days


For smaller kVA sizes of this design click here.

Voltages: 600-480-400-240-208v

This autotransformer is suitable for either step-up, or step-down operation.  The primary and secondary windings of the transformer share common turns.

Standard Features:

  • CSA and UL Approved
  • 60 Hz Frequency
  • 150°C Temperature Rise
  • Copper Windings
  • 220°C Insulation Class
  • Vacuum pressure Impregnated Windings
  • NEMA 3R Outdoor/Indoor Enclosure
  • 5 Year warranty
  • Wall Mountable up to 75kVA
  • Mechanical lugs included up to 75kVA

    Exact size and shape to vary.  Transformer may appear different than pictured.

    Need something different? Contact us for a custom quote: 600vsales@maddoxtransformer.com

    Approximate Enclosure Dimensions & Weights:

    kVA
    30
    45
    75
    112.5
    150
    Dims (HxWxD)
    22"x20"x20"
    29"x23"x25"
    29"x23"x25"
    38"x25"x26"
    38"x26"x25"
    Weight (Lbs)
    195
    305
    400
    585
    685


     

    1 Year Warranty

    Buy with confidence. All new and used Maddox transformers are tested and come with a full 1 year warranty against defects. If you experience any problems just give us a call and receive a replacement, free of charge. We'll even pay the shipping!

    Fast Shipping

    Shipping from 20 regional warehouses, delivery is never more than a few days away.