Eaton N48M28F4921CULS48 Transformer - UL Listed
Part Number: N48M28F4921CULS48
Quick Summary
Eaton N48M28F4921CULS48 transformer provides efficient three-phase power for industrial control panels. Engineers often battle heat buildup, energy waste, and mounting space pressures in dense electrical rooms. With UL Listed and DOE2016 Efficient compliance, this transformer combines safety, energy savings, and reliability. For panel builders and OEMs, its 150 kVA rating and 480 V to 208Y/120 V output enable compact, scalable power distribution with robust safety margins.
Product Information
Extended Description
N48M28F4921CULS48 Eaton: Eaton NextGen K-Factor, DOE2016 CU 48dB, 150KVA, K13 XFMR, 3PH, 480-208Y/120, 115C, M-Taps
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28F4921CULS48
UPC
786689670535
Product Length/Depth
31.5 in
Product Height
51 in
Product Width
34.5 in
Product Weight
1200 lb
Compliances
DOE2016 Efficient
Certifications
UL Listed
Wiring connection
283B
Type
Energy-efficient ventilated transformer
Frame
943
Kva Rating
150 kVA
Volt ampere rating
150KVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
115 °C rise
Special features
K13
Feature: DOE2016 Efficient performance and the K-Factor nonlinear ventilated design. Impact: Reduces core losses and improves cooling, lowering operating costs and extending equipment life. Application: Ideal for dense installations in manufacturing floors and control cabinets where cooling capacity is at a premium. Feature: 150 kVA three-phase rating with 480 V primary and 208Y/120 V secondary. Impact: Handles load spikes with built-in margin, enabling smaller panels and fewer transformers in a system. Application: PLC racks, drive systems, and machine control centers demanding reliable power delivery. Feature: UL Listed certification and DOE2016 Efficient compliance. Impact: Regulatory assurance, safer procurement, and smoother audits across industrial facilities. Application: Facilities with strict supplier requirements and documented energy performance. Feature: Ventilated frame with a 115 °C rise and sturdy 943 frame. Impact: Enhanced cooling performance under hot ambient conditions, improving uptime. Application: Outdoor or hot-environment installations where ventilation is a constraint. Feature: Wiring connection 283B and a weight of 1200 lb. Impact: Simplifies installation planning and mounting in existing frames or new builds. Application: Retrofit projects and OEM equipment where precise alignment and robust mounting matter.
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FAQs
Installers should plan for a ventilated space with adequate clearance around the unit, given its substantial footprint and weight (approximately 1200 lb). Use a suitable mounting surface compatible with the 943 frame and follow wiring practices for 283B connections. Ensure access for cooling, inspection, and routine maintenance, and verify that the installation aligns with UL Listed requirements and DOE2016 Efficient guidance.
The K-Factor nonlinear ventilated design minimizes losses under varying load conditions by enhancing airflow and heat dissipation. This translates to lower operating temperatures, reduced heat return to the facility, and better overall efficiency. In practice, this supports longer transformer life, steadier performance under peak loads, and lower energy costs for facilities with dynamic power demands.
Yes. The N48M28F4921CULS48 is a three-phase transformer with a 150 kVA rating, a primary of 480 V, and a secondary of 208Y/120 V. It is designed to integrate with control panels, machines, and distribution zones requiring reliable step-down power with ample load margin, while meeting DOE2016 Efficient and UL Listed standards.
This transformer carries UL Listed certification and conforms to DOE2016 Efficient efficiency standards, providing regulatory assurance and energy-performance validation. While not specified as SIL or CE in the data, these certifications address fundamental safety, reliability, and energy-use requirements common in industrial environments.
Expected ROI arises from reduced energy losses due to DOE2016 Efficient design and lower cooling requirements thanks to the ventilated K-Factor architecture. Maintenance is typically straightforward: periodic inspection of wiring connections (283B), cooling pathways, and enclosure integrity, with less frequent descaling or filter changes due to the energy-efficient design. The 150 kVA capacity also provides headroom to optimize system reliability and downtime costs.