Technical Support
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.
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
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12 products
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In Stock
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3-Phase 480V Delta - 208 Y 120
- 44 sizes available
- 15 kVA – 1000 kVA
60 Hz
NEMA 3R
150°C Rise
In Stock
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3-Phase 600V Delta - 208 Y 120
- 20 sizes available
- 15 kVA – 500 kVA
60 Hz
NEMA 3R
150°C Rise
In Stock
1-Phase 208 - 120/240
- 12 sizes available
- 15 kVA – 100 kVA
60 Hz
NEMA 3R
150°C Rise
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
In Stock
1-Phase 240x480 - 120/240 Transformer
- 8 sizes available
- 15 kVA – 250 kVA
60 Hz
NEMA 3R
150°C Rise
In Stock
3-Phase 480V Delta - 416 Y/ 240
- 20 sizes available
- 15 kVA – 1250 kVA
60 Hz
NEMA 3R
150°C Rise
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
In Stock
3-Phase 480V Delta - 240V Delta/120 Transformer
- 9 sizes available
- 15 kVA – 500 kVA
60 Hz
NEMA 3R
150°C Rise
In Stock
3-Phase 240V Delta - 208Y/120 Transformer
- 9 sizes available
- 15 kVA – 500 kVA
60 Hz
NEMA 3R
150°C Rise
In Stock
3-Phase 600V Delta - 480Y/277 Transformer
- 9 sizes available
- 15 kVA – 500 kVA
60 Hz
NEMA 3R
150°C Rise
In Stock
3-Phase 480V Delta - 380Y/220 Transformer
- 9 sizes available
- 15 kVA – 500 kVA
60 Hz
NEMA 3R
150°C Rise
In Stock
3-Phase 480V Delta - 400Y/231 Transformer
- 8 sizes available
- 15 kVA – 500 kVA
60 Hz
NEMA 3R
150°C Rise
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?
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📞 (800) 417-6568Free sizing help • Lifetime warranty • Made in USA • Mon–Fri 7AM–5PM MST