Eaton K-Factor nonlinear ventilated transformer N29R28F2216LS55 - DOE2016 Efficient
Part Number: N29R28F2216LS55
Quick Summary
Eaton K-Factor nonlinear ventilated transformer is a high-efficiency power transformer for indoor industrial distribution. It supports 225 kVA loads with a 208 V primary and 208Y/120 V secondary, making it suitable for large equipment rooms, manufacturing lines, and data centers. The main pain points addressed are heat, energy waste, and regulatory compliance; this unit reduces copper losses, lowers cooling requirements, and helps meet DOE 2016 efficiency standards. Certifications include UL Listed, DOE 2016 Efficient, and 10 CFR Part 431 (2016). With aluminum windings, a shielded design, and a NEMA 2 enclosure, it offers durability and reliable service in harsh environments. The design also supports field-adjustable taps and straightforward installation, delivering measurable business value through improved efficiency and capacity headroom.
Product Information
Extended Description
N29R28F2216LS55 Eaton: Eaton K-Factor nonlinear ventilated transformer, Aluminum windings, NEMA 2, FR945, 60 Hz, 220C, 225 kVA, Three-Phase, 208 to 208Y/120, 115C rise, Shielded, DOE 2016, WS62, 325A, K13, 55 dB
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N29R28F2216LS55
UPC
786680244346
Product Length/Depth
33.5 in
Product Height
66.18 in
Product Width
42.18 in
Product Weight
2393 lb
Compliances
DOE2016 Efficient
Certifications
UL Listed
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Aluminum
Enclosure
NEMA 2
Wiring connection
325A
Type
Energy-efficient ventilated transformer
Frame
945
Insulation
220 °C
Mounting
Floor
Tap size
1at +5%, 2 at -5%
Frequency rating
60 Hz
Kva Rating
225 kVA
Volt ampere rating
225 kVA
Phase
Three-phase
Primary voltage
208 V
Secondary Voltage
208Y/120 V
Sound Level
55 dB
Temperature rise
115 °C rise
Efficiency
10 CFR Part 431-2016 (DOE 2016)
Modification 1
Electrostatic shield
Special features
K-factor 13
Weathershield
WS62
Feature: K-Factor nonlinear ventilated design. Business Impact: Optimizes losses under typical load profiles, reducing operating temperature and cooling energy. Application: Ideal for large, variable loads in manufacturing and data centers, where energy efficiency directly lowers total cost of ownership. Feature: Aluminum windings. Business Impact: Lower material costs and corrosion resistance, contributing to long-term maintenance savings. Application: Durable for indoor industrial environments with frequent power cycling. Feature: NEMA 2 enclosure. Business Impact: Provides reliable indoor protection and straightforward installation with moderate environmental exposure. Application: Floor-mounted installations in dry facilities. Feature: Tap size options (+5% / -5%). Business Impact: Voltage regulation capability to maintain performance amid supply fluctuations. Application: Critical loads connected to 208 V systems. Feature: Three-phase, 60 Hz, 225 kVA rating. Business Impact: Handles heavy, balanced loads with predictable voltage and low impedance, improving system stability. Application: Large machine rooms and process lines requiring robust power delivery. Feature: Shielded construction and WS62 weathershield option. Business Impact: Enhanced electrical isolation and environmental protection, extending service life in demanding sites. Application: Environments with EMI concerns or exposure to dust and humidity. Feature: DOE 2016 Efficiency, UL Listed. Business Impact: Compliance-ready operation reduces regulatory risk and energy costs. Application: Facilities pursuing energy compliance and performance benchmarks.
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FAQs
Install as a floor-mounted, indoor transformer with a NEMA 2 enclosure. Connect 208 V primary to the incoming supply and 208Y/120 V secondary to the load. It is a three-phase unit rated at 225 kVA at 60 Hz, with +5%/-5% tap options for voltage regulation. Ensure adequate clearance for ventilation and access to the 10 CFR Part 431 energy requirements; verify UL Listed compliance before commissioning.
Key specs include a 225 kVA three-phase rating, 60 Hz operation, 115 °C insulation rise, and 55 dB sound level. Aluminum windings and optional electrostatic shielding improve efficiency and EMI containment. With NEMA 2 enclosure and WS62 weathershield option, the unit ensures reliable operation in indoor environments while minimizing cooling load and energy waste.
Yes. The N29R28F2216LS55 supports large, stable loads with a 208 V primary and 208Y/120 V secondary, making it suitable for data centers and manufacturing lines. Its DOE 2016 efficiency, UL listing, and adjustable taps help meet energy and reliability requirements. The shielded construction and modest sound output further support sensitive environments and occupant-friendly operation.
This transformer is UL Listed and DOE 2016 Efficient, with 10 CFR Part 431 (2016 Efficient) modification notes. The K-Factor 13 specification and WS62 weathershield option enhance performance and environmental protection. Compliance with these standards reduces regulatory risk while delivering measurable energy savings and dependable service for indoor installations.
The DOE 2016 efficiency and UL certification contribute to electricity savings and regulatory compliance, reducing operating costs over time. Aluminum windings and shielded design lower maintenance needs and EMI concerns, while a robust NEMA 2 enclosure supports long service life in indoor facilities. The combination of high reliability and energy efficiency translates to faster payback on capital investments.