Eaton N48M28B4116QCU K-Factor nonlinear - DOE2016 Efficient
Part Number: N48M28B4116QCU
Quick Summary
Eaton N48M28B4116QCU K-Factor nonlinear transformer provides reliable low-voltage conversion for industrial power distribution. This solution addresses the common pain of harmonic-rich loads and voltage drift by combining nonlinear regulation with robust cooling. Key certifications matter here: DOE2016 Efficient compliance, UL Listed safety, and a NEMA 1 enclosure suitable for indoor service in harsh facilities. The result is a transformer that reduces energy losses, minimizes regulatory risk, and simplifies maintenance planning. By prioritizing efficiency and rugged construction, this option supports energy management initiatives while ensuring downstream equipment experiences stable power, improved uptime, and predictable performance across shifts and loads.
Product Information
Extended Description
N48M28B4116QCU Eaton: EATON K-FACTOR NONLINEAR, VENTILATED TRANSFORMER, DOE 2016, 60 HZ, 400 KVA, THREE PHASE, 480 V, 208Y/120V, 80 °C RISE, 220 °C, NEMA 1, COOPER, 2 at +2.5% FCAN, 4 at -2.5% FCBN, RH7
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28B4116QCU
UPC
786680331466
Product Length/Depth
44.25 in
Product Height
80.25 in
Product Width
64 in
Product Weight
3430 lb
Compliances
DOE2016 Efficient
Certifications
UL Listed
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Copper
Enclosure
NEMA 1
Insulation
220 °C
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Kva Rating
400 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
80 °C rise
Efficiency
10 CFR Part 431-2016 (DOE 2016)
Weathershield
RH7
Feature: K-Factor nonlinear ventilated design. Business Impact: Improved harmonic handling and reduced power quality concerns in modern facilities. Application: Manufacturing lines and data centers with harmonic currents. The design translates to measurable efficiency gains and lower cooling requirements in continuous operation. Feature: 400 kVA three-phase rating with 480 V primary and 208Y/120 V secondary. Business Impact: Scalable distribution for critical loads with minimal voltage drop, enabling reliable equipment performance. Application: Industrial plants, process facilities, and controlled environments. Feature: Tap changer with 2 taps at +2.5% FCAN and 4 taps at -2.5% FCBN. Business Impact: Precise voltage regulation amid supply variations, reducing equipment stress and energy waste. Application: Facilities with fluctuating input voltage or varied load profiles. Feature: Copper windings and insulation to 220 °C. Business Impact: Enhanced thermal performance and longevity in demanding environments. Application: Indoor electrical rooms with limited cooling, ensuring sustained operation. Feature: NEMA 1 enclosure with UL Listed and 10 CFR Part 431 DOE efficiency notes. Business Impact: Regulatory compliance and safer installation, simplifying procurement and inspection cycles. Application: Indoor facilities requiring durable enclosures and documented efficiency. Feature: Weathershield RH7 compatibility. Business Impact: Expanded installation options with robust protection against dust and minor environmental exposure. Application: Factory floors and utility rooms where ambient conditions vary. Overall, this transformer combination supports energy management goals, reduces maintenance costs, and delivers predictable power for critical loads across shifts.
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FAQs
Installers should plan for indoor placement in a clean, dry environment with adequate clearance for 80 °C rise operation. The NEMA 1 enclosure provides basic protection, while the 44.25 in depth, 64 in width, and 80.25 in height dimensions influence room layout and service clearance. Ensure proper panel labeling, wiring in accordance with national codes, and accessible taps for voltage regulation.
The K-Factor nonlinear design accommodates harmonic currents by reducing I2R losses and improving voltage regulation under non-sinusoidal loading. This leads to better power quality, lower energy waste, and heightened equipment longevity. It is especially beneficial for facilities with VFDs, drives, and other nonlinear equipment.
Yes. The transformer complies with DOE 2016 Efficient standards and is UL Listed, providing recognized safety assurances. This combination supports energy compliance reporting and simplifies regulatory audits while protecting personnel and equipment in normal and fault conditions.
It provides a 480 V primary and 208Y/120 V secondary in a three-phase configuration. Taps are available: 2 at +2.5% FCAN and 4 at -2.5% FCBN, enabling on-site voltage regulation to match fluctuating supply and loading conditions, reducing voltage stress on downstream equipment.
Ideal for manufacturing facilities, process plants, and data centers with harmonic loads and stringent efficiency goals. Its rugged NEMA 1 enclosure, copper windings, and DOE efficiency designation support reliable power delivery, simpler maintenance planning, and compliance with energy regulations while minimizing downtime.