Eaton X48M28T4916CUNON Harmonic mitigating transformer - DOE2016 Efficient
Part Number: X48M28T4916CUNON
Quick Summary
Eaton Harmonic mitigating transformer X48M28T4916CUNON delivers clean, regulated three-phase power for industrial facilities. Plants often struggle with harmonic distortion, voltage flicker, and equipment overheating that drive maintenance costs and downtime. This unit meets UL Listed and DOE 2016 Efficient standards, with 10 CFR Part 431 compliance, and comes in a rugged NEMA 2 enclosure on a FR943 frame. Designed for floor mounting, it converts 480 V primary to 208Y/120 V secondary while maintaining a 0° phase shift and robust fault tolerance. For procurement and design discussions, this transformer provides a reliable path to better power quality, improved energy efficiency, and straightforward compatibility with standard 480 V distribution systems.
Product Information
Extended Description
X48M28T4916CUNON Eaton: Eaton Harmonic mitigating transformer, DOE 2016, NEMA 2, FR943, 60 Hz, 150 kVA Floor, Three-phase, 0°, 480 Delta V, three-wire, 208Y/120 Vac, four-wire, NEMA ST-20, 2 at +2.5%, 4 at -2.5%, 150 kVA, 480 Vac-208Y/120 Vac
Product Name
Eaton Harmonic mitigating transformer
Catalog Number
X48M28T4916CUNON
UPC
786680175336
Product Length/Depth
31.5 in
Product Height
51 in
Product Width
34.5 in
Product Weight
1.1 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Compliances
DOE2016 Efficient
Certifications
UL Listed
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Copper
Enclosure
NEMA 2
Frame
FR943
Insulation
220 °C
Material
Copper windings
Mounting
Floor
Tap size
2 at +2.5%, 4 at -2.5%
Type
Energy-efficient type DT-3 harmonic mitigating transformer
Wiring connection
201X
Efficiency
10 CFR Part 431-2016 (DOE 2016)
Frequency rating
60 Hz
Kva Rating
150 kVA
Phase
Three-phase
Phase shift
0 °
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Sound Level
NEMA ST-20
Temperature rise
150 °C rise
Volt ampere rating
150 kVA
Voltage rating
480 Vac-208Y/120 Vac
Weathershield
WS60
Eaton's low-voltage dry-type distribution transformers
Eaton's low-voltage dry-type distribution transformers
Eaton Specification Sheet - X48M28T4916CUNON
Feature → Harmonic mitigation design reduces voltage distortion and equipment stress → Business Impact → Improves motor efficiency and drives reliability, lowering maintenance costs; Application → Ideal for manufacturing lines and CNC machines where nonlinear loads are common. Feature → DOE 2016 energy efficiency and UL listing → Business Impact → Reduces energy losses and simplifies compliance reporting; Application → Suitable for facilities pursuing energy codes and green certifications with ongoing power usage. Feature → Copper windings and 220 °C insulation → Business Impact → Enhanced durability and thermal tolerance under heavy load swings; Application → Heavy industrial environments with high inrush demands and frequent load changes. Feature → NEMA 2 enclosure with FR943 frame and floor mounting → Business Impact → Rugged protection and straightforward installation in plant rooms; Application → Typical floor-mounted transformer installations in factories or data-driven facilities. Feature → Tap changer options 2 at +2.5%, 4 at -2.5% → Business Impact → Voltage regulation to accommodate supply variations; Application → Sites with fluctuating utility voltage or long feeders. Feature → 480 V primary to 208Y/120 V secondary, three-phase, 60 Hz → Business Impact → Seamless integration with standard plant distributions and control panels; Application → Equipment rooms and MCCs needing a reliable low-voltage distribution source.
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FAQs
This transformer is designed for floor mounting and uses a FR943 frame with a NEMA 2 enclosure, making it suitable for indoor plant rooms and utility spaces. It features a 480 V primary and a 208Y/120 V secondary, allowing straightforward integration with standard distribution panels and MCCs in manufacturing environments.
Key specs include a 150 kVA rating, 60 Hz frequency, three-phase configuration, primary 480 V delta, secondary 208Y/120 V, and a 0° phase shift. The unit also offers copper windings, 220 °C insulation, and a +2.5% / -2.5% tap changer to accommodate voltage variations in the supply.
Yes. It complies with DOE 2016 Efficiency standards and 10 CFR Part 431 (2016) Efficient requirements, and it is UL Listed. These certifications help ensure energy performance, safe operation, and ease of procurement for regulated projects.
Harmonic mitigation reduces distortion caused by nonlinear loads, improves power factor, and lowers heat generation in equipment. This leads to longer motor life, reduced cooling loads, fewer nuisance trips, and lower total cost of ownership for drives and control systems used in conveyors, pumps, and presses.
Dimensions are 31.5 in (length) × 34.5 in (width) × 51 in (height) with a floor-mount footprint. The unit weighs approximately 1.1 lb in the data sheet (verify with site measurements), and it uses a 201X wiring connection. Plan for adjacent service clearance and accessible access for taps and maintenance.