Hammond Power Solutions, HPS Fortress

HPS FortressTM is an innovative design that provides the ideal solution for commercial applications where quality, ease of installation, and low cost are key. 

All units are encapsulated with electrical grade silica sand and resin compounds, which completely enclose the core and coil to seal out moisture, airborne contaminants and eliminates corrosion and deterioration.

10 Year Warranty

• Single Phase ratings from 50VA to 37.5kVA
• Three Phase ratings from 2kVA to 75kVA.
• 60 Hz frequency (50/60 Hz on four single phase voltage groups)
• Primary volts: 120 x 240, 208 x 416, 120/208/240/277, 240 x 480, 277, 277/480, 347/380, 600
• Export model: 190/200/208/220/240x380/400/416/440/480
• CSA and UL listed
• Electrostatic shield standard on all three phase units and single phase units from 750VA and up.
• Custom sizes, ratings and styles available upon request

Product Literature

• HPS Fortress Brochure

Product Catalog

• Encapsulated Distribution Transformer Section
• Enclosure Drawings, Electrical Connection Diagrams, Termination Details

Instruction Sheets and Manuals

• Indoor/Outdoor Single Phase Encapsulated Transformers
• Indoor/Outdoor Three Phase Encapsulated Transformers

Technical Specifications

• 1.2kV Class Commercial Potted Distribution Transformer Typical Specification