Eaton N48M28B3316QCU K-Factor nonlinear ventilated transformer - K-FACTOR 13
Part Number: N48M28B3316QCU
Quick Summary
The Eaton K-Factor nonlinear ventilated transformer delivers efficient, three-phase power distribution for industrial facilities. Engineers often wrestle with balancing energy costs, heat load, and regulatory compliance in heavy electrical equipment. This unit carries UL Listed certification and aligns with DOE 2016 Efficient standards, while meeting 10 CFR Part 431 guidance for efficient devices, plus an 80 °C rise rating for tough indoor service. Indoor, floor-mounted design with copper windings and rugged enclosure supports reliable operation in manufacturing plants and data centers. By delivering precise voltage transformation with built-in efficiency features, it helps reduce operating expenses and simplify compliance while supporting common plant distribution practices and maintenance routines.
Product Information
Extended Description
N48M28B3316QCU Eaton: Eaton General purpose ventilated transformer 300 kVA K-13 DOE 2016 Efficient, 480V Delta, 208Y/120, 80C rise, Cu Shielded Q
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28B3316QCU
UPC
786689669836
Product Length/Depth
32 in
Product Height
66 in
Product Width
50.5 in
Product Weight
3000 lb
Compliances
DOE2016 Efficient
Certifications
UL Listed
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Copper
Enclosure
Indoor
Type
Energy efficient K-factor transformer
Frame
GPE
Insulation
220 °C
Mounting
Floor
Tap size
+2 at 2.5% FCAN, -4 at 2.5% FCBN
Frequency rating
60 Hz
Kva Rating
300 kVA
Volt ampere rating
300 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)
Special features
K-FACTOR 13
Weathershield
RH6
DOE 2016 Efficient design delivers measurable energy savings by reducing core and winding losses in typical 300 kVA transformers. Coupled with a 480V delta primary and 208Y/120V secondary, this model integrates smoothly with common plant distributions, lowering cooling requirements and facility heat load. The K-Factor 13 nonlinear ventilated design handles non-linear loads and harmonic distortion with copper windings for superior thermal stability, improving reliability on sensitive loads and reducing stray losses, which translates into longer asset life. Indoor floor-mount enclosure, GPE frame, and 220 °C insulation provide rugged performance in demanding environments, while its 32 in depth, 66 in height, 50.5 in width and 3000 lb weight support installation in dedicated transformer rooms and service corridors. The tap size option (+2 at 2.5% FCAN, -4 at 2.5% FCBN) enables precise voltage regulation to accommodate supply fluctuations, minimizing the need for external regulators and downtime. UL Listed and 10 CFR Part 431 compliance provide procurement confidence for regulated industries and compliance audits, with DOE 2016 efficiency reinforcing energy performance commitments. Sound level aligned with NEMA ST-20 ensures acceptable noise on production floors, and Weathershield RH6 offers additional environmental protection where needed.
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FAQs
This model is a floor-mounted, indoor enclosure transformer with a footprint of 50.5 in width, 66 in height, and 32 in depth, weighing about 3000 lb. Plan for adequate clearance, flooring strength, and access for maintenance, with chassis mounting in a dedicated transformer room or equipment space. Use the GPE frame and copper coil construction to optimize cooling airflow and serviceability.
DOE 2016 Efficient compliance indicates lower core and winding losses, reducing heat generation and cooling load. The savings accrue over the transformer's life, translating to lower energy usage, reduced chiller or ventilation requirements, and a shorter payback period on energy-related improvements in industrial facilities.
Yes. The K-Factor 13 nonlinear ventilated design is specifically engineered to mitigate harmonic distortion. Copper windings and robust ventilation help maintain thermal stability under non-linear loading, improving reliability for drives, inverters, and other harmonic-rich plant equipment.
The unit supports taps of +2 at 2.5% FCAN and -4 at 2.5% FCBN, enabling fine voltage regulation to compensate for supply fluctuations. This reduces voltage-related downtime and minimizes the need for additional external regulators in critical feeder circuits.
Verify UL Listing for safety certification and confirm compliance with 10 CFR Part 431 (2016) Efficient guidelines, alongside DOE 2016 Efficient labeling. These credentials support procurement audits, safety compliance, and energy-performance reporting in regulated industries and mission-critical environments.