3-Phase 480V Delta - 480 Y 277 (Isolation Transformer)

Size Guide SKU # MIT-DRY-151
NEW:  $1,975.00 IN STOCK CALL FOR LEAD-TIME 866-719-1882
USED: $1,975.00 IN STOCK
(${ savings }% savings!)

Delivers in 3-5 business days

This transformer is designed to convert 3-phase 480v Delta 3-wire to 3-phase 480v Wye 4-wire with a fully rated neutral with a 277v phase-to-neutral voltage to run equipment such as panels, lighting, motors, CNC machines, welders, conveyor systems, pumps, printing equipment, fabrication tools, and other business machines.  Many customers use this transformer to create a fully isolated 480v circuit from their main circuit.

Primary Voltage: 480 Delta

Secondary Voltage: 480 Y 277 (Isolation Transformer)

Transformer Specifications:

  • 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
  • Energy Efficient

Exact sizes and shape to vary. Transformers ordered for indoor use may be provided with outdoor enclosure depending on stock. The 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)
28"x21"x14"
32"x27"x17"
32"x27"x17"
39"x29"x20"
41"x32"x22"
41"x32"x22"
52"x37.5"x34"
52"37.5"34"
64"49"41.5"

Weight (Lbs)
220
320
385
565
725
860

1450
1950
2950

 

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
Our policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange.

To return an item fill out this form.

To be eligible for a return, your item must be unused and in the s...

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!