Eaton N29M28F4516 K-Factor nonlinear ventilated transformer
Part Number: N29M28F4516
Quick Summary
Eaton N29M28F4516 K-Factor nonlinear ventilated transformer delivers efficient power distribution for industrial facilities. Plants often struggle with heat buildup, energy waste, and unreliable secondary voltages under variable loads. Certifications include UL Listed and DOE 2016 Efficient compliance, with NEMA 2 enclosure for rugged environments. By combining rugged construction with a shielded design and a 45 kVA capacity, it supports scalable power distribution while lowering operating costs and improving system reliability.
Product Information
Extended Description
N29M28F4516 Eaton: Eaton Eaton K-Factor nonlinear ventilated transformer, Aluminum windings, NEMA 2, FR942, 60 Hz, 220C, 45 kVA, Three-Phase, 208 to 208Y/120, 115C rise, Shielded, DOE 2016, WS59, 283A, K13
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N29M28F4516
UPC
786680245671
Product Length/Depth
24 in
Product Height
43 in
Product Width
30.5 in
Product Weight
623 lb
Compliances
DOE2016 Efficient
Certifications
UL Listed
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Aluminum
Enclosure
NEMA 2
Wiring connection
283A
Type
Energy-efficient ventilated transformer
Frame
942
Insulation
220 °C
Mounting
Floor or wall, upright only
Tap size
2 at +2.5%, 4at -2.5%
Frequency rating
60 Hz
Kva Rating
45 kVA
Volt ampere rating
45 kVA
Phase
Three-phase
Primary voltage
208 V
Secondary Voltage
208Y/120 V
Sound Level
NEMA ST-20
Temperature rise
115 °C rise
Efficiency
10 CFR Part 431-2016 (DOE 2016)
Modification 1
Electrostatic shield
Special features
K-factor 13
Weathershield
WS59
Feature → Business Impact → Application: K-Factor 13 nonlinear design improves voltage regulation and minimizes losses under nonlinear loads, delivering higher overall efficiency and reduced energy costs for motor drives and precision equipment. Application: process lines and manufacturing cells where harmonics are prevalent. Feature → Business Impact → Application: Aluminum windings reduce weight and thermal stress, lowering installation and maintenance costs while improving corrosion resistance in harsh environments. Application: outdoor or semi-indoor installations with variable ambient conditions. Feature → Business Impact → Application: DOE 2016 Efficient compliance lowers total cost of ownership by meeting energy-performance requirements, supporting utility incentives and regulatory alignment. Application: new builds and retrofit projects seeking energy stewardship. Feature → Business Impact → Application: NEMA 2 enclosure provides robust protection against dust and ingress, enabling reliable operation on factory floors and inside equipment rooms. Application: general purpose power distribution in industrial settings. Feature → Business Impact → Application: Tap changer 2 at +2.5% and 4 at -2.5% enables precise voltage control to maintain 208Y/120V secondary stability under load swings. Application: equipment sensitive to voltage fluctuations. Feature → Business Impact → Application: Electrostatic shield reduces EMI and electrical noise, improving performance of nearby sensitive electronics and PLCs. Application: data acquisition systems and control panels. Feature → Business Impact → Application: Floor or wall mounting (upright only) simplifies installation planning, allowing flexible placement in tight spaces and minimizing ducting or cabling runs.
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FAQs
The N29M28F4516 is a three-phase transformer with a 208 V primary and 208Y/120 V secondary, designed for floor or wall mounting in upright orientation. Grounding should follow local electrical codes and Eaton installation guidelines; connect the winding terminals per the 283A wiring configuration, and ensure proper enclosure clearance and venting for safe operation.
Key specs include 45 kVA, 60 Hz operation, 208 V input, 208Y/120 V output, aluminum windings, and a shielded design with electrostatic shield. The K-Factor 13 rating indicates enhanced protection against harmonic currents, improving voltage quality under nonlinear loads, reducing overheating risk, and extending transformer life in drives and rectifier-heavy systems.
Yes. With a rugged NEMA 2 enclosure, 45 kVA three-phase capability, and shielded construction, it supports manufacturing floors, control rooms, and panel boards. The 208V to 208Y/120V output configuration and voltage-tap options help maintain stable voltage for motors, PLCs, and data-center ancillary power while meeting DOE efficiency targets.
The N29M28F4516 is UL Listed and compliant with DOE 2016 Efficient standards (10 CFR Part 431). These certifications help ensure safety, energy efficiency, and regulatory alignment for industrial installations, while enabling easier compliance reporting and potential utility incentives.
Maintenance focuses on periodic inspection of enclosure integrity, cooling paths, and terminal connections. Aluminum windings and a shielded design reduce thermal stress and EMI, contributing to longer life and lower replacement costs. Energy efficiency under DOE 2016 standards lowers operating expenses, delivering improved ROI over conventional ventilated transformers in demanding loads.