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Description
The HPS SG3A0045KB0C dry type is a highly efficient general-purpose distribution transformer designed to deliver reliable power for a range of applications. With a 45 kVA power rating, this transformer is ideal for supplying power to appliances, lighting, heating, motorized machines, and various power loads from electrical distribution systems. This model features a 480 Volts primary and 208Y/120 Volts secondary, making it well-suited for both commercial and industrial power distribution systems.
This Hammond Power Solutions SG3A0045KB0C 480 volts transformer is built to meet the latest U.S. DOE 10 CFR Part 431 efficiency standards, ensuring that it operates at a high level of energy efficiency, achieving an impressive 98.4% efficiency. It is designed for use in indoor and outdoor installations, with a NEMA 3R enclosure that provides durability and protection in a variety of environments.
Key Features of Hammond SG3A0045KB0C 45 kVA Transformer:
• Available with copper or aluminum windings for flexibility and efficiency.
• Compliant with U.S. DOE 10 CFR Part 431 standards, offering 98.4% efficiency.
• 150°C temperature rise with a 220°C insulation class for high thermal performance.
• Operates at ST-20 standard sound levels for quieter operation.
• Manufactured with non-aging, cold-rolled silicon steel laminations for improved performance and reliability.
• Core coating to prevent moisture ingress and enhance the durability of the transformer.
• Robust design to withstand short-circuit conditions.
• Ceiling or floor mounting for easy installation and flexibility in positioning.
• Enclosure NEMA 3R rated for both indoor and outdoor use, ensuring protection from environmental elements.

Additional information
- DIMENSIONS
23.8 × 25.8 × 28.8 in
- KVA:
45
- PHASE:
THREE
- PRIMARY VOLTAGE:
480
- SECONDARY VOLTAGE:
120
208Y
- WINDING MATERIAL:
COPPER
- HZ:
60
- TEMP RISE:
150
- ENCLOSURE:
NEMA 3R
- TYPE:
ENERGY EFFICIENT GENERAL PURPOSE DISTRIBUTION
- OTHER:
SCD19
- TAPS:
2+4-2.5%
- TRADE NAME:
HPS SENTINEL G
- Weight
400 lsb