Eaton N48D28B1216CUI3 Transformer - DOE 2016 Efficient
Part Number: N48D28B1216CUI3
Quick Summary
Eaton N48D28B1216CUI3 transformer provides reliable voltage conversion for industrial power distribution. In busy facilities, engineers wrestle with energy waste, footprint constraints, and cumbersome regulatory reporting. It carries UL Listed certification, meets DOE 2016 Efficient standards, and uses a rugged NEMA 2 enclosure designed for dusty or damp environments. Copper windings deliver low resistance and minimal losses, while 220 °C insulation and an 80 °C rise rating support continuous operation. The unit is designed for floor or wall mounting, and the inclusion of a 3-in infrared window plus an electrostatic shield enhances diagnostics and safety, enabling quicker service and long-term cost savings. This model integrates smoothly with existing 480 V primary systems and 208Y/120 V secondary applications, delivering dependable power for control and automation.
Product Information
Extended Description
N48D28B1216CUI3 Eaton: Eaton K-Factor nonlinear ventilated transformer, Copper windings, NEMA 2, FR943W, 60 Hz, 220C, 112.5 kVA, Three-Phase, 480 to 208Y/120, 80C rise, Shielded, DOE 2016, WS60, 305K, K13, 3-in IR window
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48D28B1216CUI3
UPC
786680244544
Product Length/Depth
31.5 in
Product Height
51 in
Product Width
34.5 in
Product Weight
1393 lb
Compliances
DOE2016 Efficient
Certifications
UL Listed
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Copper
Enclosure
NEMA 2
Wiring connection
305K
Type
Energy-efficient ventilated transformer
Frame
943W
Insulation
220 °C
Material
Copper windings
Mounting
Floor or wall, upright only
Tap size
2 at +2.5%, 2 at -2.5%
Frequency rating
60 Hz
Kva Rating
112.50 kVA
Volt ampere rating
112.50 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Sound Level
NEMA ST-20
Temperature rise
80 °C rise
Voltage rating
480 Vac-208Y/120 Vac
Efficiency
10 CFR Part 431-2016 (DOE 2016)
Modification 1
Electrostatic shield, 3 in IR window
Special features
K-factor 13
Weathershield
WS60
Feature is a K-Factor nonlinear ventilated transformer with 60 Hz operation, rated at 112.50 kVA in a three-phase configuration. Business impact is improved energy efficiency and better load handling, reducing peak demand and utility costs while maintaining stable secondary voltage. Application includes power distribution for motors, conveyors, and control panels in manufacturing and processing environments. Feature Copper windings minimize resistive losses, with 220 °C insulation and an 80 °C rise rating that support reliable operation under heavy loads. Business impact is enhanced durability and thermal resilience, enabling longer service intervals and lower maintenance costs. Application spans continuous operation in demanding facilities where voltage regulation matters for precision equipment. Feature NEMA 2 enclosure and UL listing provide environmental protection and regulatory compliance, reducing risk in dusty or moist plant areas. Business impact is improved safety and reliability, with easier audits and serviceability in real-world installations. Application includes floor or wall mounting flexibility and a 3-in IR inspection window for faster diagnostics, lowering downtime. Feature Tap size of 2 at +2.5% and 2 at -2.5% enables precise voltage tuning in fluctuating supply conditions; Business impact is tighter control of downstream equipment, fewer nuisance trips, and better protection for sensors and controllers. Application covers systems requiring fine voltage adjustment across a range of loads. Feature K13 K-Factor designation communicates robust short-circuit performance, while WS60 weather shield extends outdoor or semi-exposed life; Business impact is extended service life and reduced replacement cycles in industrial environments. Application includes facilities with variable ambient conditions where weather protection and steady performance are critical. Feature 3-in IR window and electrostatic shield (Modification 1) provide quick, non-contact fault detection and insulation integrity checks; Business impact is proactive maintenance and reduced mean time to repair. Application supports fast troubleshooting in production lines, with minimal disruption.
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FAQs
The N48D28B1216CUI3 is designed for floor or wall mounting, upright only. It connects to a 480V three-phase supply on the primary side and provides a 208Y/120V secondary for controls and auxiliary equipment. Field taps at ±2.5% help compensate for line voltage drift. Proper clearance, ventilation, and adherence to UL and DOE 2016 guidelines ensure safe, compliant installation and easy future service.
Essential specs include a 112.50 kVA rating, 60 Hz frequency, primary 480V to secondary 208Y/120V, three-phase configuration, NEMA 2 enclosure, copper windings, 80 °C rise, and 220 °C insulation. The unit also features a K-Factor of 13, a WS60 weather shield option, and a 3-in IR window for diagnostics, all aligning with DOE 2016 efficiency.
Yes. With a NEMA 2 enclosure, copper windings, and an electrostatic shield (Modification 1), the N48D28B1216CUI3 is well-suited for dusty, humid, and harsh factory floors. Its DOE 2016 efficiency, UL listing, and robust insulation enable reliable control power for PLCs, drives, and switchgear in challenging environments while meeting regulatory requirements.
This transformer is UL Listed and DOE 2016 Efficient, with catalog notes aligning to 10 CFR Part 431 (2016) Efficient standards. The NEMA 2 enclosure and insulation ratings further support compliance with typical industry and electrical safety requirements, making it a trusted choice for regulated industrial installations.
Energy efficiency under DOE 2016, plus precise voltage taps and robust insulation, reduces energy waste and downtime. The copper windings and durable enclosure lower maintenance costs, while the 3-in IR window and shielded design enable quicker diagnostics, translating to shorter repair times and improved equipment uptime in production environments.