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Square D > On-line Catalog > Products > Transformers > General Purpose Dry Type 600 Volts and Below: Single- and Three-Phase

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General Purpose Dry Type 600 Volts and Below

Single- and Three-Phase

Class 7400 / Refer to Catalogs 7400CT0601, 7400CT9601

Public Law 109-58 of the Energy Policy Act of 2005 requires the manufacturing of Energy Efficient Transformers after January 1, 2007 for all General Purpose Distribution Applications. Energy Efficient Transformers meet Table 4-2 of The Guide for Determining Energy Efficiency for Distribution Transformers, published by the National Electrical Manufacturers Association® (NEMA TP12002), set at 24-hour average loading of 35 percent. Energy Savings calculations are available at SquareDleantools.com.

EE Single-Phase Transformers

Degree C
Temp. Rise
Weight
(lbs) b
Single Phase240 X 480 V Primary
120/240 V Secondary
60 Hz; cULus Listed through 167 kVA
6–2.5%2+4–c
6–2.5%2+4–c
6–2.5%2+4–c
6–2.5%2+4–c
6–2.5%2+4–c
6–2.5%2+4–c
6–2.5%2+4–c
6–2.5%2+4–c
6–2.5%2+4–c
Single Phase—600 V Primary 120/240 V Secondary 60 Hz; cULus Listed through 167 kVA
6–2.5%2+4–c
6–2.5%2+4–c
6–2.5%2+4–c
6–2.5%2+4–c
6–2.5%2+4–c
6–2.5%2+4–c
6–2.5%2+4–c
6–2.5%2+4–c
6–2.5%2+4–c
Single Phase—208 V Primary 120/240 V Secondary 60 Hz; cULus Listed through 167 kVA
Single Phase—277 V Primary 120/240 V Secondary 60 Hz; cULus Listed through 167 kVA