Eaton N29M29B3016CU Transformer - K-Factor 13
Part Number: N29M29B3016CU
Quick Summary
Eaton N29M29B3016CU Transformer provides reliable, energy-efficient power for industrial control panels and distribution systems. In many facilities, engineers face heat buildup, energy waste, and compliance burdens when upgrading legacy transformers in compact electrical rooms. This unit meets UL Listed safety standards and complies with DOE 2016 efficiency requirements, delivering cooling headroom and reduced operating costs. Its copper windings, NEMA 2 enclosure, and 60 Hz three-phase design ensure consistent voltage performance under load while withstanding routine industrial conditions. The electrostatic shield option and K-Factor 13 rating further enhance short-circuit resistance and reliability in demanding environments. For OEMs and integrators, its floor or wall mounting, precise tap settings, and WS58 weather shield option simplify installation and long-term maintenance.
Product Information
Extended Description
N29M29B3016CU Eaton: Eaton Eaton K-Factor nonlinear ventilated transformer, Copper windings, NEMA 2, FR940, 60 Hz, 220C, 30 kVA, Three-Phase, 208 to 208 DELTA, 80C rise, Shielded, DOE 2016, WS58, 295B, K13
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N29M29B3016CU
UPC
786680245404
Product Length/Depth
21.13 in
Product Height
36.88 in
Product Width
24.88 in
Product Weight
513 lb
Compliances
DOE2016 Efficient
Certifications
UL Listed
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Copper
Enclosure
NEMA 2
Wiring connection
295B
Type
Energy-efficient ventilated transformer
Frame
940
Insulation
220 °C
Mounting
Floor or wall, upright only
Tap size
2 at +2.5%, 4at -2.5%
Frequency rating
60 Hz
Kva Rating
30 kVA
Volt ampere rating
30 kVA
Phase
Three-phase
Primary voltage
208 V
Secondary Voltage
208 V
Sound Level
NEMA ST-20
Temperature rise
80 °C rise
Efficiency
10 CFR Part 431-2016 (DOE 2016)
Modification 1
Electrostatic shield
Special features
K-factor 13
Weathershield
WS58
The K-Factor 13 nonlinear efficiency design targets non-linear loads typical in modern plant environments. By shaping the flux and harmonics response, it reduces stray heat and lowers overall cooling loads, which translates into lower energy costs in industrial panels and machine centers. This capability is particularly valuable in facilities with high harmonic generation from drives, welders, and CNC equipment, where maintaining voltage stability matters as loads shift. Copper windings offer superior conductivity and thermal performance vs aluminum options, improving voltage regulation under transient loads and reducing copper loss over the life of the transformer, delivering quieter operation and longer service intervals in critical control applications like packaging lines and process control loops. NEMA 2 enclosure provides robust indoor protection against dust and moisture while fitting through standard electrical room footprints. Combined with 60 Hz three-phase operation and 30 kVA rating, it supports compact, scalable power distribution in panelboards and switchgear assemblies. Tap size options of 2 at +2.5% and 4 at -2.5% enable precise voltage adjustments on site, helping install engineers stabilize downstream equipment and reduce flicker in plants with uneven utility supply. The inclusion of an electrostatic shield further minimizes EMI concerns in crowded control cabinets. UL Listed and DOE 2016 Efficient conformance ensures regulatory compliance and energy performance for modern facilities. Additional features such as WS58 Weathershield and a 80 °C rise rating provide margin for reliability under demanding workloads in manufacturing and data centers. Practical installation notes: floor or wall mounting, upright only, with a 21.13 in depth, 24.88 in width, and 36.88 in height footprint. The unit weighs 513 lb, requiring suitable handling equipment, while 295B wiring and 208 V primary/secondary support straightforward integration into existing bus and panel schemes.
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FAQs
Compatibility with standard 208 V three-phase panels is straightforward. The transformer provides 208 V primary and 208 V secondary in a three-phase configuration, with a 30 kVA rating and a NEMA 2 indoor enclosure. Wire via 295B connections and install on a floor or wall mount (upright only). Ensure adequate clearance for heat dissipation and allow for the 80 °C rise when sizing cooling and room air conditioning.
Key benefits include DOE 2016 Efficient compliance, which reduces losses, UL Listed safety certification, and a K-Factor 13 nonlinear design that improves performance under harmonic loads. Copper windings minimize resistive losses, while the 60 Hz, three-phase configuration supports stable voltage regulation in demanding control panels and distribution cabinets. These features collectively enhance reliability and energy performance across industrial applications.
Primarily designed for indoor use, the N29M29B3016CU sits in a rugged NEMA 2 enclosure that guards against dust and light moisture in typical electrical rooms and equipment cabinets. The WS58 Weathershield option adds optional external protection for semi-indoor spaces or areas with higher humidity, but outdoor installation should follow manufacturer guidelines and local codes.
Plan floor or wall mounting, upright orientation, with overall footprint around 21.13 inches deep, 24.88 inches wide, and 36.88 inches tall. The weight is about 513 pounds, so use appropriate lifting gear. Tap settings include 2 at +2.5% and 4 at -2.5% to adjust voltage under load, and the 295B wiring connection should be used for seamless integration into existing bus and panel schemes.
Energy savings from DOE 2016 efficiency, reduced heat load, and longer service life from copper windings contribute to a favorable ROI, especially in high-harmonic environments. UL listing simplifies compliance, while the electrostatic shield reduces EMI risks in crowded cabinets. Regular inspection of taps and enclosure, plus proper cooling, helps maintain performance with minimal maintenance.