HPS Sentinel® G general purpose distribution transformers are rated for 600 volts 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, 208 Delta VAC Primary, 480Y/277 VAC Secondary, 30 kVA Power, 60 Hz Frequency, 3 ph, Lug/Pad Connection, Ceiling/Floor Mounting, NEMA 3R Enclosure, 30 deg C, 98.23 % Efficiency, 28.8 in H x 25.8 in W x 23.8 in D Dimensions
| Connection Type |
: |
Lug/Pad |
| Dimensions |
: |
28.8 in H x 25.8 in W x 23.8 in D |
| Efficiency |
: |
98.23 % |
| Enclosure Type |
: |
NEMA 3R |
| Mounting Type |
: |
Ceiling/Floor |
| Temperature Rating |
: |
30 deg C |
| Type |
: |
Energy Efficient General Purpose |
| Primary Voltage |
: |
208 Delta VAC |
| Secondary Voltage |
: |
480Y/277 VAC |
| Power Rating |
: |
30 kVA |
| Frequency Rating |
: |
60 Hz |
| Phase |
: |
3 |
- Copper 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 & 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 53 standard primary taps
- DH2 case style
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RoHS
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SDS
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Specification Sheet
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Warranty Information
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