Industrial Power Solutions

Low Voltage Dry-Type Transformers

Air-cooled transformers engineered for power distribution below 600V. Built for machine shops, CNC equipment, woodworking, and industrial facilities.

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🏭

Industrial Grade

Built for continuous duty

⚡

5 - 1,000 kVA

Full range of sizes

🛡️

NEMA 3R Standard

Indoor/outdoor rated

🔧

Expert Support

50+ years experience

1-Phase 240x480v Pri 120/240v Sec Encapsulated Transformer
In Stock

1-Phase 240x480v Pri 120/240v Sec Encapsulated Transformer

  • 10 sizes available
  • 1 kVA – 37.5 kVA
60 Hz NEMA 3R 150°C Rise
From $345.40
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1-Phase 240x480v Pri 120/240v Sec Encapsulated Transformer
In Stock

1-Phase 240x480v Pri 120/240v Sec Encapsulated Transformer

  • 10 sizes available
  • 1 kVA – 37.5
60 Hz NEMA 3R 150°C Rise
From $391.50
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3-Phase Autotransformer 600-480v or 480-380v
In Stock 🔄 Auto

3-Phase Autotransformer 600-480v or 480-380v

  • 10 sizes available
  • 3 kVA – 225 kVA
60 Hz NEMA 3R 150°C Rise
From $864.60
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3-Phase Autotransformer 600-480-400-240-208v
In Stock 🔄 Auto

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

  • 9 sizes available
  • 3 kVA – 150 kVA
60 Hz NEMA 3R 150°C Rise
From $1,082.40
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3-Phase Autotransformer 600-480-400-240-208v
In Stock

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

  • 9 sizes available
  • 3kVA – 150kVA
60 Hz NEMA 3R 150°C Rise
From $1,083.00
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3-Phase 480V Delta - 208 Y 120
In Stock ↓ Step-Down

3-Phase 480V Delta - 208 Y 120

  • 44 sizes available
  • 15 kVA – 1000 kVA
60 Hz NEMA 3R 150°C Rise
From $1,739.10
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3-Phase 600V Delta - 208 Y 120
In Stock ↓ Step-Down

3-Phase 600V Delta - 208 Y 120

  • 20 sizes available
  • 15 kVA – 500 kVA
60 Hz NEMA 3R 150°C Rise
From $1,850.20
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1-Phase 240x480 - 120/240 Transformer
In Stock

1-Phase 240x480 - 120/240 Transformer

  • 8 sizes available
  • 15 kVA – 250 kVA
60 Hz NEMA 3R 150°C Rise
From $1,875.00
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3-Phase 480 D - 480 Y 277 (Drive Isolation Transformer)
In Stock 🛡️ Isolation

3-Phase 480 D - 480 Y 277 (Drive Isolation Transformer)

  • 40 sizes available
  • 7.5 kVA – 660 kVA
60 Hz NEMA 3R 150°C Rise
From $1,887.60
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3-Phase 460 D - 460 Y 266 (Drive Isolation Transformer)
In Stock ⚡ Drive Iso

3-Phase 460 D - 460 Y 266 (Drive Isolation Transformer)

  • 40 sizes available
  • 7.5 kVA – 660 kVA
60 Hz NEMA 3R 150°C Rise
From $1,887.60
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3-Phase 460 D - 230 Y 133 (Drive Isolation Transformer)
In Stock ⚡ Drive Iso

3-Phase 460 D - 230 Y 133 (Drive Isolation Transformer)

  • 22 sizes available
  • 11 kVA – 118 kVA
60 Hz NEMA 3R 150°C Rise
From $1,999.80
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3-Phase 208 D - 480 Y 277 (Step-Up Drive Isolation Transformer)
In Stock ↑ Step-Up

3-Phase 208 D - 480 Y 277 (Step-Up Drive Isolation Transformer)

  • 18 sizes available
  • 11 kVA – 75 kVA
60 Hz NEMA 3R 150°C Rise
From $2,004.20
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1-Phase 208 - 120/240
In Stock

1-Phase 208 - 120/240

  • 12 sizes available
  • 15 kVA – 100 kVA
60 Hz NEMA 3R 150°C Rise
From $2,138.40
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3-Phase 480 Pri 208Y/120 Sec Encapsulated Transformer
In Stock ↓ Step-Down

3-Phase 480 Pri 208Y/120 Sec Encapsulated Transformer

  • 6 sizes available
  • 6 kVA – 75 kVA
60 Hz NEMA 3R 150°C Rise
From $2,388.40
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3-Phase 208V Delta - 480 Y 277 (Step Up Transformer)
In Stock ↑ Step-Up

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

  • 18 sizes available
  • 15 kVA – 500 kVA
60 Hz NEMA 3R 150°C Rise
From $2,411.20
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3-Phase 240V Delta - 480 Y 277 (Step Up Transformer)
In Stock ↑ Step-Up

3-Phase 240V Delta - 480 Y 277 (Step Up Transformer)

  • 18 sizes available
  • 15 kVA – 500 kVA
60 Hz NEMA 3R 150°C Rise
From $2,411.20
View Options
3-Phase 480 D - 240 Y 139 (Drive Isolation Transformer)
In Stock ↓ Step-Down

3-Phase 480 D - 240 Y 139 (Drive Isolation Transformer)

  • 9 sizes available
  • 11 kVA – 75 kVA
60 Hz NEMA 3R 150°C Rise
From $2,504.70
View Options
3-Phase 208V Delta - 240 D 120 (Step Up Transformer)
In Stock ↑ Step-Up

3-Phase 208V Delta - 240 D 120 (Step Up Transformer)

  • 8 sizes available
  • 15 kVA – 75 kVA
60 Hz NEMA 3R 150°C Rise
From $2,707.10
View Options
208V Delta - 208 Y 120 (Isolation Transformer)
In Stock 🛡️ Isolation

208V Delta - 208 Y 120 (Isolation Transformer)

  • 8 sizes available
  • 15 kVA – 75 kVA
60 Hz NEMA 3R 150°C Rise
From $2,712.60
View Options
3-Phase 480V Delta - 480 Y 277 (Isolation Transformer)
In Stock 🛡️ Isolation

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

  • 18 sizes available
  • 15 kVA – 500 kVA
60 Hz NEMA 3R 150°C Rise
From $2,783.20
View Options
3-Phase 240V Delta - 380 Y 219 (Step Up Transformer)
In Stock ↑ Step-Up

3-Phase 240V Delta - 380 Y 219 (Step Up Transformer)

  • 18 sizes available
  • 15 kVA – 500 kVA
60 Hz NEMA 3R 150°C Rise
From $2,923.80
View Options
3-Phase 240V Delta - 400 Y 231 (Step Up Transformer)
In Stock ↑ Step-Up

3-Phase 240V Delta - 400 Y 231 (Step Up Transformer)

  • 18 sizes available
  • 15 kVA – 500 kVA
60 Hz NEMA 3R 150°C Rise
From $2,923.80
View Options
3-Phase 240V Delta - 416 Y 240 (Step Up Transformer)
In Stock ↑ Step-Up

3-Phase 240V Delta - 416 Y 240 (Step Up Transformer)

  • 18 sizes available
  • 15 kVA – 500 kVA
60 Hz NEMA 3R 150°C Rise
From $2,923.80
View Options
1-Phase Mini Power Center 480v - 120/240
In Stock

1-Phase Mini Power Center 480v - 120/240

  • 5 sizes available
  • 5 kVA – 25 kVA
60 Hz NEMA 3R 150°C Rise
From $3,066.80
View Options
3-Phase 480V Delta - 240V Delta/120 Transformer
In Stock

3-Phase 480V Delta - 240V Delta/120 Transformer

  • 9 sizes available
  • 15 kVA – 500 kVA
60 Hz NEMA 3R 150°C Rise
From $3,087.00
View Options
3-Phase 240V Delta - 208Y/120 Transformer
In Stock

3-Phase 240V Delta - 208Y/120 Transformer

  • 9 sizes available
  • 15 kVA – 500 kVA
60 Hz NEMA 3R 150°C Rise
From $3,186.40
View Options
3-Phase 480V Delta - 416 Y/ 240
In Stock

3-Phase 480V Delta - 416 Y/ 240

  • 20 sizes available
  • 15 kVA – 1250 kVA
60 Hz NEMA 3R 150°C Rise
From $3,217.50
View Options
3-Phase 208V Delta - 380 Y/ 219 (Step Up Transformer)
In Stock ↑ Step-Up

3-Phase 208V Delta - 380 Y/ 219 (Step Up Transformer)

  • 18 sizes available
  • 15 kVA – 500 kVA
60 Hz NEMA 3R 150°C Rise
From $3,360.50
View Options
3-Phase 208V Delta - 400 Y/ 231 (Step Up Transformer)
In Stock ↑ Step-Up

3-Phase 208V Delta - 400 Y/ 231 (Step Up Transformer)

  • 18 sizes available
  • 15 kVA – 500 kVA
60 Hz NEMA 3R 150°C Rise
From $3,360.50
View Options
3-Phase 208V Delta - 416 Y/ 240 (Step Up Transformer)
In Stock ↑ Step-Up

3-Phase 208V Delta - 416 Y/ 240 (Step Up Transformer)

  • 18 sizes available
  • 15 kVA – 500 kVA
60 Hz NEMA 3R 150°C Rise
From $3,360.50
View Options
3-Phase 600V Delta - 480Y/277 Transformer
In Stock

3-Phase 600V Delta - 480Y/277 Transformer

  • 9 sizes available
  • 15 kVA – 500 kVA
60 Hz NEMA 3R 150°C Rise
From $3,904.60
View Options
3-Phase 480V Delta - 380Y/220 Transformer
In Stock

3-Phase 480V Delta - 380Y/220 Transformer

  • 9 sizes available
  • 15 kVA – 500 kVA
60 Hz NEMA 3R 150°C Rise
From $4,641.00
View Options
3-Phase 480V Delta - 400Y/231 Transformer
In Stock

3-Phase 480V Delta - 400Y/231 Transformer

  • 8 sizes available
  • 15 kVA – 500 kVA
60 Hz NEMA 3R 150°C Rise
From $4,641.00
View Options
3-Phase 480Y/277 - 208Y/120 Solar Transformer
In Stock

3-Phase 480Y/277 - 208Y/120 Solar Transformer

  • 9 sizes available
  • 30 kVA – 45 kVA
60 Hz NEMA 3R 150°C Rise
From $5,860.40
View Options

Technical Specifications

Standard Features

  • Self-cooled (AA)
  • Aluminum windings (copper available)
  • Voltage adjustment taps
  • Impedance 5.75% (±7.5%)
  • NEMA 3R indoor/outdoor enclosure
  • High-grade silicon-steel core
  • 150°C rise
  • VPI windings
  • Stainless steel hardware

Optional Upgrades

  • Copper windings
  • 80°C or 115°C degree rise
  • Solar step-up design
  • Electrostatic shielding
  • K-rated design
  • Double-thick varnish (corrosion)
  • Grounding/zig-zag design
  • NEMA 4X enclosure
  • TENV design (totally enclosed)

Common Applications

🔧

Machine Shops

🪚

Woodworking

⚙️

CNC Equipment

🏗️

Industrial

🏢

Commercial

☀️

Solar

Need Help Choosing?

Our team has over 50 years of experience helping customers find the right transformer. Get a quote today.

Request a Quote
📞800-417-6568
✉️glen@phoenixphaseconverters.com

Talk to a Phase Converter Engineer

📞 800-417-6568

Free sizing help • Lifetime warranty • Made in USA • Mon–Fri 7AM–5PM MST

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