HPS Sentinel® G general purpose distribution transformers are rated for 600 VAC and below. They are generally used for supplying appliance, lighting, heating, motorized machine and power loads from electrical distribution systems.

HPS Sentinel® G Distribution Transformer, Energy Efficient General Purpose, 480 Delta VAC Primary, 208Y/120 VAC Secondary, 15 kVA, 60 Hz, 3 ph, Lug/Pad, Ceiling/Floor Mount, DH1-N3R - Indoor/Outdoor, 30 deg C, 97.89 % Efficiency, 20.1 in L x 21.5 in W x 22 in H

• Aluminum winding
• Meets latest U.S. DOE 10 CFR part 431 efficiency standards
• Manufactured from quality non-aging, cold rolled, silicon steel laminations using state-of-the-art equipment
• Cores are precision cut to close tolerances which eliminates burrs and improves performance
• Core is coated to prevent the ingress of moisture
• Precision wound with copper or aluminum conductors that are electrically balanced to minimize axial forces during short circuit conditions
• Robust interface between core and coils for better short circuit performance
• Standard 150 deg C temperature rise and 220 deg C insulation class
• ANSI 61 gray, UL50 enclosure finish
• Front accessible separate high and low voltage terminals, connectors suitable for aluminum and copper are provided for easy cable installation
• Side knockouts standard on all units bottom entry provision conduit entry
• Typically 3.5% to 6.5% impedance
• Generation 3 current design
• Delta primary, wye-N secondary phase
• 40 deg C maximum temperature
• ST-20 standards sound level
• SCD 19 standard primary taps
• DH1 case style