Eaton N48M47B4916CU Transformer - K-Factor 13
Part Number: N48M47B4916CU
Quick Summary
The Eaton N48M47B4916CU Transformer delivers energy-efficient power transformation for 3-phase distribution in industrial facilities. This solution addresses the common pain of elevated losses, heat, and regulatory pressure by combining high efficiency and a rugged NEMA 2 enclosure with a compact footprint. It carries key certifications such as DOE 2016 Efficient, UL Listed, and 10 CFR Part 431 notes, supporting compliance in modern facilities. By aligning with these standards, it reduces energy waste and simplifies procurement. The design also emphasizes compatibility with standard 480 V inputs and the 480Y/277 V secondary, enabling seamless integration with existing switchgear and panel boards while delivering tangible cost savings and reliability gains for mission-critical operations.
Product Information
Extended Description
N48M47B4916CU Eaton: Eaton Eaton K-Factor nonlinear ventilated transformer, Copper windings, NEMA 2, FR944, 60 Hz, 220C, 150 kVA, Three-Phase, 480 to 480Y/277, 80C rise, Shielded, DOE 2016, WS61, 283B, K13
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M47B4916CU
UPC
786680245428
Product Length/Depth
33.5 in
Product Height
60 in
Product Width
38 in
Product Weight
2119 lb
Compliances
DOE2016 Efficient
Certifications
UL Listed
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Copper
Enclosure
NEMA 2
Wiring connection
283B
Type
Energy-efficient ventilated transformer
Frame
944
Insulation
220 °C
Mounting
Floor
Tap size
2 at +2.5%, 4at -2.5%
Frequency rating
60 Hz
Kva Rating
150 kVA
Volt ampere rating
150 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
480Y/277 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
WS61
Feature: K-Factor 13 and energy-efficient design → Business Impact: Reduces core losses and voltage regulation losses, lowering total cost of ownership over the equipment lifecycle. Application: Ideal for continuous-duty applications in manufacturing lines and data centers where energy efficiency directly translates to lower operating costs and regulatory compliance. The K-Factor 13 rating also supports improved flow of reactive power management in constrained spaces. Feature: Copper windings and 150 kVA three-phase rating → Business Impact: Higher conductivity and robust overload tolerance improve reliability under peak loads, reducing maintenance interventions. Application: Suitable for mid-to-large industrial loads, panelboards, and critical processes requiring stable voltage with minimal impedance. Feature: 60 Hz operation with 80 °C rise and NEMA 2 enclosure → Business Impact: Predictable performance in standard US power systems with durable indoor protection and easy integration into existing plant rooms. Application: Factory floors and electrical rooms where dust and moisture exposure are present but controlled. Feature: Tap changer 2 at +2.5%, 4 at -2.5% → Business Impact: On-site voltage tailoring minimizes equipment trips and improves compatibility with downstream devices. Application: Load-sensitive environments such as CNC machines and process controls that demand precise voltage regulation. Feature: Electrostatic shield option and WS61 weather shield → Business Impact: EMI control and rugged weather protection extend life in harsh environments and reduce EMI-related downtime. Application: Industrial facilities near motors, drives, and other EMI sources; outdoor or semi-outdoor spaces with weather exposure. Feature: DOE 2016 Efficient and UL Listed certifications → Business Impact: Compliance assurance simplifies procurement, reduces risk of non-conformance, and supports nationwide energy programs. Application: Projects governed by energy standards and safety mandates, including federal and state-funded initiatives.
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FAQs
Yes. The transformer is designed for floor mounting with a rugged NEMA 2 enclosure and a three-phase 150 kVA rating. Its 60 Hz operation and 283B wiring connection make it straightforward to install alongside standard switchgear in plant rooms. The WS61 weather shield option further supports installations in dusty or mildly exposed environments, reducing protection gaps during retrofits or new builds.
Key specs include a 150 kVA three-phase rating, 480 V primary voltage, and 480Y/277 V secondary voltage, operating at 60 Hz with an 80 °C rise. It uses copper windings for high conductivity and an electrostatic shield option for EMI control. Efficiency is DOE 2016 compliant, and the unit is UL Listed, aligning with stringent industrial standards.
This model excels in manufacturing facilities, data centers, and process plants requiring stable voltage under transient loads. Its K-Factor 13 design supports improved harmonic handling, while the 480 V to 480Y/277 V output pair suits distribution panels, motor drives, and critical loads with tight voltage regulation and energy efficiency requirements.
The N48M47B4916CU is UL Listed and DOE 2016 Efficient, with 10 CFR Part 431 notes. These certifications ensure safer operation, reduced energy consumption, and easier procurement for regulated environments. Compliance simplifies audits and aligns with federal and state energy-performance programs, making it a reliable choice for mission-critical installations.
Maintenance requirements are minimized by robust copper windings, a durable NEMA 2 enclosure, and a stable cooling profile with an 80 °C rise. The DOE 2016 efficiency and UL Listing drive tangible energy savings and reduced downtime, contributing to a favorable ROI through lower energy bills and improved system reliability over the transformer's life.