Single Phase General Purpose Transformers

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85SERIESLGDongan offers single phase ventilated transformers from .50 kVA to 5 kVA, and encapsulated transformers from .250 kVA through 25 kVA. Standard enclosures are NEMA Type 3R, with some exceptions at the smallest kVA; these exceptions are indicated in our catalog. These transformers can be wall-mounted or floor-mounted cabinet-style depending upon kVA rating, are UL and cUL listed and are copper-wound through 25 kVA. We offer aluminum-wound transformers starting at 7.5 kVA through 100 kVA as standard, and build larger custom transformers. Contact us today with your requirements.

All units have an electrostatic shield between the primary and secondary for transient noise reduction. Insulation systems are 105°C, 180°C or 220°C, depending upon the series of transformer. TP-1 transformers begin with prefix 41 for aluminum-wound and 42 for copper-wound transformers.

In addition, Dongan offers TP-1 Energy Efficient Transformers starting at 15 kVA and larger. Dongan’s competitively-priced TP-1 transformers meet the minimum energy efficiency requirements as required by DOE in EPACT.


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Wiring-small-TNCLICK HERE FOR THE SINGLE PHASE WIRING DIAGRAMS