Eaton N29M28T1516 K-Factor nonlinear ventilated transformer - NEMA ST-20
Part Number: N29M28T1516
Quick Summary
The Eaton N29M28T1516 K-Factor nonlinear ventilated transformer is designed to deliver dependable power conditioning for industrial control panels and commercial equipment. It helps engineers minimize heat and energy waste while maintaining consistent secondary voltage under varying loads. Users often wrestle with transformer heat, efficiency penalties, and space constraints in dry-type installations; this unit addresses those challenges with a robust, energy-conscious design. It complies with DOE 2016 efficiency requirements and features a NEMA 2 enclosure, an FR940 frame, and aluminum windings for safer, easier installation. With a 208 V primary and 208Y/120 V secondary and configurable taps, it supports flexible system design and straightforward commissioning. Keywords: dry-type transformer, energy-efficient transformer.
Product Information
Extended Description
N29M28T1516 Eaton: Eaton Eaton K-Factor nonlinear ventilated transformer, Aluminum windings, NEMA 2, FR940, 60 Hz, 220°C, 15 kVA , Three-phase, 208 Delta V, 208Y/120 Vac, NEMA ST-20, 150°C, 15 kVA, 208 Vac-208Y/120 Vac, WS58, DOE 2016
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N29M28T1516
UPC
786680200472
Product Length/Depth
21.13 in
Product Height
36.88 in
Product Width
24.88 in
Product Weight
1.1 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Certifications
Contact Manufacturer
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Aluminum
Enclosure
NEMA 2
Type
Energy-efficient ventilated transformer
Frame
FR940
Insulation
220 °C
Mounting
Floor or wall
Tap size
2 at +2.5%, 4 at -2.5%
Frequency rating
60 Hz
Kva Rating
15 kVA
Volt ampere rating
15 kVA
Phase
Three-phase
Primary voltage
208 V
Secondary Voltage
208Y/120 V
Sound Level
NEMA ST-20
Temperature rise
150 °C rise
Voltage rating
208-208Y/120V
Efficiency
10 CFR Part 431-2016 (DOE 2016)
Modification 1
Electrostatic shield
Special features
K-factor 13
Weathershield
WS58
Eaton's low-voltage dry-type distribution transformers
Eaton's low-voltage dry-type distribution transformers
Eaton's Transformer Flex Center
Eaton Specification Sheet - N29M28T1516
Feature → Business Impact → Application: The K-Factor nonlinear design provides improved fault tolerance and reduced thermal stress, translating to longer transformer life and lower maintenance costs in continuous-operation environments. Application note: use in power distribution panels where load diversity and short-term peak demands occur. Feature → Business Impact → Application: 15 kVA three-phase power rating with 208 V primary and 208Y/120 V secondary enables compact yet capable subpanels for manufacturing lines and machine centers, reducing panel count and wiring complexity. Application: mid-size industrial automation projects seeking reliable voltage transformation with minimal footprint. Feature → Business Impact → Application: NEMA 2 enclosure offers dependable indoor protection against dust and moisture, supporting safer installations in standard plant rooms. Application: retrofit and new builds in plants with strict enclosure requirements. Feature → Business Impact → Application: Tap settings (2 at +2.5%, 4 at -2.5%) provide precise voltage regulation under fluctuating loads, improving regulator performance and safeguarding sensitive electronics. Application: critical control loops and PLC-powered equipment. Feature → Business Impact → Application: DOE 2016 efficiency and 220 °C insulation with 150 °C rise enable compliance and robust thermal performance, lowering operating costs and extending service life. Application: energy-conscious facilities and high-heat environments. Feature → Business Impact → Application: FR940 frame and WS58 weather shield compatibility offer installation flexibility and ruggedness for floor- or wall-mounted installations, streamlining site planning and reducing retrofit risk.
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FAQs
The N29M28T1516 is a three-phase transformer rated for a 208 V primary and 208Y/120 V secondary, designed for 60 Hz operation. This makes it an ideal match for control panels and facilities using 208 V three-phase supplies while delivering a stable 120 V secondary for auxiliary electronics. Tap settings (+2.5% and -2.5% on several taps) help fine-tune output under fluctuating loads.
Plan for floor or wall mounting in a clean, indoor environment given the NEMA 2 enclosure. The WS58 weather shield option supports additional protection in exposed or semi-exposed indoor spaces. Ensure mounting clearance around the FR940 frame for adequate airflow and access to taps. Confirm compatibility with your panel design and spare space for wiring terminations.
Key specs include a 15 kVA rating, 60 Hz operation, 150°C rise, and 220°C insulation, with K-Factor 13 indicating nonlinear load handling. DOE 2016 efficiency (10 CFR Part 431) compliance supports energy cost savings, while the 208/120 V secondary supports stable downstream voltages for sensitive electronics. The combination of these specs improves efficiency and system reliability under real-world loading.
Yes. With a three-phase 15 kVA rating, 208 V primary, 208Y/120 V secondary, and a rugged NEMA 2 enclosure, it is well-suited for control panels, manufacturing equipment, and automation rack environments. Its K-Factor nonlinear design helps manage diverse load profiles, while the FR940 frame supports robust installation in standard plant spaces.
Eaton offers the standard warranty policy: one year from installation or 18 months from shipment, whichever comes first. For certifications and additional documentation, including specification sheets and compliance notes (DOE 2016, NEMA ST-20 details), contact the manufacturer or consult the downloadable Eaton datasheets and the specification sheet linked in the downloads section.