Eaton H48D28T5516QCU General purpose transformer - DOE2016
Part Number: H48D28T5516QCU
Quick Summary
General purpose ventilated transformer from Eaton provides reliable isolation and stepping of 480V to 208Y/120V in industrial power systems. Engineers frequently battle compliance deadlines and heat management in high-kVA deployments. Notable certifications include UL Listed, DOE 2016 Efficient, and a NEMA 1 enclosure for indoor service. This model offers scalable voltage conversion and energy efficiency, enabling safer panel integration, simplified installation, and lower lifecycle costs for facilities aiming to meet DOE targets and reduce energy waste.
Product Information
Extended Description
H48D28T5516QCU Eaton: 500 kVA K-4 DOE 2016 Efficient General Purpose Ventd Transformer PV 480V Delta, 208Y/120, 150C rise, Copper windings, NEMA 1, Q
Product Name
Eaton General purpose ventilated transformer
Catalog Number
H48D28T5516QCU
UPC
786680236235
Product Length/Depth
32 in
Product Height
66 in
Product Width
50.5 in
Product Weight
1.1 lb
Compliances
DOE2016 Efficient
Certifications
UL Listed
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Copper
Enclosure
NEMA 1
Frame
GPE
Insulation
220 °C
Mounting
Floor
Tap size
+2 at 2.5% FCAN, -2 at 2.5% FCBN
Efficiency
10 CFR Part 431-2016 (DOE 2016)
Frequency rating
60 Hz
Kva Rating
500 kVA
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Sound Level
NEMA ST-20
Temperature rise
150 °C rise
Volt ampere rating
500 kVA
Modification 1
K-4
Weathershield
RH6
Eaton's high-efficiency dry-type transformers
Eaton's high-efficiency dry-type transformers
Eaton Specification Sheet - H48D28T5516QCU
Feature: DOE 2016 Efficient rating reduces no-load and load losses, directly lowering energy costs over the life of the installation → Business Impact: Lower total cost of ownership and better sustainability metrics for facilities with strict energy targets. Application: mid-size manufacturing lines and indoor distribution where heat and energy use are critical. Feature: 500 kVA rating with copper windings delivers reliable power handling and high short-circuit tolerance → Business Impact: Increased system resilience and reduced downtime in critical processes. Application: service entrances and panel boards requiring robust step-down capability. Feature: NEMA 1 enclosure and floor mounting provide rugged protection in indoor environments → Business Impact: Simplified installation, safer equipment rooms, and minimal enclosure maintenance. Application: controlled industrial spaces and switchgear areas. Feature: Tap size options (+2 at 2.5% FCAN, -2 at 2.5% FCBN) enable voltage regulation at point of use → Business Impact: Improves voltage stability for sensitive equipment and reduces voltage-related performance issues. Application: process control cabinets and instrumentation racks. Feature: Copper windings and 150 °C rise insulation support durability and long service life → Business Impact: Enhanced thermal performance and service continuity in demanding environments. Application: continuous operation in manufacturing and packaging facilities.
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FAQs
This model is designed for floor mounting with a NEMA 1 enclosure, suitable for indoor use in standard electrical rooms. It integrates with 480 V delta primary and 208Y/120 V secondary distribution, making it compatible with common switchgear and panelboard layouts. Ensure adequate clearance for cooling and accessible tap settings (+2 / -2) during installation.
Verify a 500 kVA rating, 480 V primary, 208Y/120 V secondary, 60 Hz operation, copper windings, and 150 °C rise insulation. Confirm DOE 2016 Efficient compliance and UL Listed certification. Also check tap changer availability (+2 at 2.5% FCAN, -2 at 2.5% FCBN) to match site voltage needs.
Yes, within indoor spaces with controlled temperatures. The 480 V to 208Y/120 V configuration supports data center power distribution and manufacturing panel boards. The DOE2016 efficiency and copper windings improve reliability and energy performance, while the NEMA 1 enclosure provides indoor protection in service areas.
Key certifications include UL Listed and DOE 2016 Efficient compliance. The catalog notes also reference 10 CFR Part 431 Efficient standards for eligible equipment. These certifications support regulatory alignment and energy-compliance reporting for commercial and industrial installations.
Expect improved ROI from DOE2016 efficiency leading to lower energy costs and reduced heat output. Copper windings and robust insulation provide long-term reliability, reducing maintenance intervals. Routine checks should include tap position verification, enclosure integrity, and cooling airflow to sustain performance in continuous operation.