Eaton N48M31T1216 Transformer - DOE 2016 Efficient
Part Number: N48M31T1216
Quick Summary
N48M31T1216 is a three-phase, energy-efficient transformer used for industrial power distribution. It helps you reduce heat, lower energy costs, and simplify compliance with DOE 2016 requirements in demanding facilities. UL Listed safety and DOE 2016 efficiency certification are supported, with an electrostatic shield and robust NEMA 2 enclosure for rugged environments. The design features aluminum windings and a compact footprint to fit footprint-constrained installations, while delivering reliable voltage transformation and long-term operational value for manufacturers and critical-process sites.
Product Information
Extended Description
N48M31T1216 Eaton: Eaton K-Factor nonlinear ventilated transformer, Aluminum windings, NEMA 2, FR943, 60 Hz, 220C, 112.5 kVA, Three-Phase, 480 to 220Y/127, 150C rise, Shielded, DOE 2016, WS60, 283B, K13
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M31T1216
UPC
786680244803
Product Length/Depth
31.5 in
Product Height
51 in
Product Width
34.5 in
Product Weight
1163 lb
Compliances
DOE2016 Efficient
Certifications
UL Listed
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Aluminum
Enclosure
NEMA 2
Wiring connection
283B
Type
Energy-efficient ventilated transformer
Frame
943
Insulation
220 °C
Mounting
Floor or wall, upright only
Tap size
2 at +2.5%, 4at -2.5%
Frequency rating
60 Hz
Kva Rating
112.50 kVA
Volt ampere rating
112.50 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
220Y/127 V
Sound Level
NEMA ST-20
Temperature rise
150 °C rise
Efficiency
10 CFR Part 431-2016 (DOE 2016)
Modification 1
Electrostatic shield
Special features
K-factor 13
Weathershield
WS60
Feature → Business Impact → Application: K-Factor nonlinear ventilated design reduces heat buildup, enabling sustained performance under heavy loads and improving equipment lifespan in continuous operation environments. Application: manufacturing lines, process plants, and heavy-duty distribution rooms benefit from stable temperatures and lower cooling energy. Feature → Business Impact → Application: Aluminum windings lighten weight, resist corrosion, and lower manufacturing and maintenance costs while maintaining electrical performance. Application: aerospace, automotive, and general industry installations where ease of service and lifecycle cost matter. Feature → Business Impact → Application: 112.50 kVA three-phase rating provides ample headroom for peak demand periods, reducing the need for oversizing and simplifying inventory management. Application: secondary distribution to motors, drives, and control panels in warehouses and production facilities. Feature → Business Impact → Application: NEMA 2 enclosure and upright floor or wall mounting offer straightforward installation, protection against typical workshop contaminants, and flexible placement. Application: retrofit projects and new builds in crowded electrical rooms. Feature → Business Impact → Application: DOE 2016 Efficient and UL Listed compliance ensure regulatory alignment and safer operation, minimizing audit findings and warranty risk. Application: facilities pursuing energy efficiency programs and safety standards. Feature → Business Impact → Application: Tap sizing options at +2.5% and -2.5% allow on-site voltage regulation to match load variations without external gear. Application: sites with variable supply or critical loads requiring stable output. Feature → Business Impact → Application: WS60 weathershield and electrostatic shield enhance environmental resilience and fault isolation, reducing maintenance intervals and protecting sensitive circuits. Application: outdoor or harsh environments and data centers with stringent reliability needs.
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FAQs
Plan for floor or wall mounting with upright orientation to align with the 31.5 in length, 51 in height, and 34.5 in width. Ensure adequate ventilation for the 150 °C rise specification and provide service clearances around the 283B wiring connection. Verify weight (1163 lb) and secure anchoring to prevent vibration and noise. Use proper lifting gear and confirm seismic or floor-load requirements before placement.
The transformer delivers 112.50 kVA at three-phase, 480 V primary input, and 220Y/127 V secondary output at 60 Hz. It uses aluminum windings, insulation rated to 220 °C, and a 150 °C rise. Tap settings are 2 at +2.5% and 4 at -2.5% to adjust output within tolerance, with a 283B wiring connection and NEMA 2 enclosure.
Yes. The unit is DOE 2016 Efficient compliant and UL Listed, aligning with energy-use and safety standards for regulated facilities. Catalog notes reference 10 CFR Part 431 (2016) Efficient, supporting procurement decisions for programs targeting energy reduction and compliant transformer equipment within the recommended electrical codes.
The 283B wiring connection provides a standardized, field-terminable interface that simplifies wiring, reduces installation time, and improves reliability through consistent connections. Combined with the NEMA 2 enclosure, aluminum windings, and floor/ wall mounting options, it enables straightforward integration into existing control panels or new installations with predictable electrical performance.
The 112.50 kVA, 480 to 220Y/127 V configuration plus DOE 2016 efficiency and ES shield features deliver lower operating losses and heat, reducing cooling energy and improving uptime. Compatibility with WS60 and electrostatic shield enhances reliability in challenging environments, supporting lower maintenance costs and faster ROI in facilities with high continuous-load demand.