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
Showing: Autotransformer —
2 products
✕ Clear filters
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
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
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 QuoteTalk to a Phase Converter Engineer
📞 (800) 417-6568Free sizing help • Lifetime warranty • Made in USA • Mon–Fri 7AM–5PM MST