Ordered the wrong unit, or not sure if a product is right for you? Our free exchange policy has you covered! We’ll cover freight both ways and send you a replacement free of charge.
3-Phase 208V Delta - 480 Y 277 (Step Up Transformer)
3-Phase 208V Delta - 480 Y 277 (Step Up Transformer)
3-Phase 208V Delta - 480 Y 277 (Step Up Transformer)
3-Phase 208V Delta - 480 Y 277 (Step Up Transformer)
3-Phase 208V Delta - 480 Y 277 (Step Up Transformer)
3-Phase 208V Delta - 480 Y 277 (Step Up Transformer)
3-Phase 208V Delta - 480 Y 277 (Step Up Transformer)
3-Phase 208V Delta - 480 Y 277 (Step Up Transformer)
3-Phase 208V Delta - 480 Y 277 (Step Up Transformer)
3-Phase 208V Delta - 480 Y 277 (Step Up Transformer)

3-Phase 208V Delta - 480 Y 277 (Step Up Transformer)

Size Guide SKU # MIT-DRY-131
NEW:  IN STOCK CALL FOR LEAD-TIME 866-719-1882
USED: IN STOCK
(${ savings }% savings!)

Delivers in 5-7 business days

  • ${tabHeaders[index]}

This transformer is designed to convert 3-phase 208v to 3-phase 480 Y 277 to run equipment such as panels, motors, CNC machines, welders, conveyor systems, pumps, printing equipment, fabrication tools, and other business machines.

Primary Voltage: 208 Delta

Secondary Voltage: 480 Y 277 (Step Up Transformer)

Standard Features:

  • CSA and UL Approved
  • 60 Hz Frequency
  • 150°C Temperature Rise
  • Primary Adjustment Taps 2 above, 4 below in 2.5% increments
  • High Efficiency Aluminum Windings
  • 220°C Insulation Class
  • Vacuum pressure Impregnated Windings
  • NEMA 3R Outdoor/Indoor Enclosure
  • Energy Efficient
  • Wall Mountable up to 75kVA
  • Lugs included up to 75 kVA

Exact size and shape to vary. Transformers ordered for indoor use may be provided with outdoor enclosure depending on stock. Transformer may appear different than pictured.

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

Download instruction manual

Approximate Enclosure Dimensions & Weights:

kVA
15
30
45
75
112.5
150
225
300
500		 Dims (HxWxD)
22"x21"x20"
29"x26"x24"
29"x26"x24"
36"x28"x27"
36"x28"x27"
45"x32"x30"
52"x38"x35"
52"x38"x34"
66"x51"x32"		 Weight (Lbs)
205
300
370
535
740
930
1400
2000
2850

Shipping Rates
Shipping rates vary, but generally range between 5-10% of the total purchase price.

Shipping From
Transformers shipping from stock deliver within 3-5 business.  Maddox has 22 regional fulfillment centers so delivery is never a few days out!

Maddox Fulfillment Centers

Returns and Exchanges

Our policy lasts 30 days. If 30 days have gone by since your purchase, we unfortunately cannot offer you a refund or exchange. We still may be interested in buying the unit back. We require proof of purchase in order to process a return or exchange.

Exchanges: 

To be eligible...

Read more here: Shipping, Return and Refund Policy

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!