Spend less on energy.
More on more important things.

NEW QL Ultra Efficient Up to 99% efficient
More energy efficient than the TP-1 design, the QL Ultra Efficient transformer can save you money. It also helps a project earn LEED® certification points from the U. S. Green Building Council. It’s perfect for schools and colleges and for government, healthcare and commercial buildings.

Coming Soon!  Transformer Energy Savings Calculator.  Calculate the benefits of CSL-3 transformers based on specific parameters and compared to either TP-1 or older transformers.

• Meets or exceeds DOE CSL-3 efficiency
• Available with a K-Factor rating of K-1 or K-13
• Noise at least 5dB less than NEMA ST-20 standards
• Seismic qualified to the requirements of ASCE 7.05, IEEE-693-2005 and IBC-2006
• 200% neutral
• Copper ground strap
• Full capacity, universal taps: two 2.5% above nominal and four 2.5% below nominal 
• Robust packaging with top and edge protection
• 220°C insulation system
• 40°C ambient
• 10kV-BIL
• Copper windings
• UL Listing
• Standard NEMA 2 drip-proof enclosure with optional weathershield kit for conversion to NEMA 3R outdoor
• One-year limited warranty

• K-12 education, higher education, government, healthcare, stadiums
• U.S. Green Building Council LEED certification projects