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Description
The HPS SG3C0030KD dry type transformer is a high-performance 30 kVA transformer, designed for reliable power distribution in industrial, commercial, and residential applications. This Hammond Power Solutions SG3C0030KD model efficiently steps down 480 Delta VAC primary voltage to 240 Delta VAC/120 VAC secondary voltage, making it ideal for supplying power to appliances, lighting, heating systems, motorized machinery, and other electrical loads.
Built with high-efficiency aluminum windings, this SG3C0030KD 30 kVA transformer meets the latest U.S. DOE 10 CFR Part 431 efficiency standards, ensuring minimal energy loss and optimal performance. Its durable DH2-N3R enclosure allows for both indoor and outdoor installations, offering flexibility in mounting options, including ceiling or floor placement.
Key Features of Hammond SG3C0030KD 480 Volts Transformer:
• Compliant with DOE 10 CFR Part 431 efficiency standards for reduced power losses.
• Built from non-aging, cold-rolled silicon steel laminations, ensuring long-term reliability.
• Aluminum conductors are electrically balanced to minimize axial forces during short circuit conditions.
• Features a standard 150°C temperature rise and a 220°C insulation class for enhanced thermal protection.
• The transformer core is coated to prevent moisture ingress, improving performance in varying environments.
• A robust interface between core and coils enhances short circuit resilience.
• Comes with front-accessible high and low-voltage terminals, supporting both aluminum and copper conductors for easy wiring.
• DH2-N3R-rated for indoor and outdoor use, with standard side knockouts and bottom conduit entry provisions.
• With an efficiency rating of 98.23%, this transformer minimizes energy waste while maintaining stable power output.

Additional information
- DIMENSIONS
23.8 × 25.8 × 28.8 in
- KVA:
30
- PHASE:
THREE
- PRIMARY VOLTAGE:
480
- SECONDARY VOLTAGE:
240
120CT
- WINDING MATERIAL:
ALUMINUM
- HZ:
60
- TEMP RISE:
150
- ENCLOSURE:
NEMA 3R
- TYPE:
ENERGY EFFICIENT GENERAL PURPOSE DISTRIBUTION
- OTHER:
SCD21
- TAPS:
2+4-2.5%
- TRADE NAME:
HPS SENTINEL G
- Weight
310 lsb