Eaton N48M28T4921CS Transformer - DOE2016 Efficient K13
Part Number: N48M28T4921CS
Quick Summary
Eaton K-Factor nonlinear ventilated transformer delivers efficient power transfer for industrial control panels and critical automation equipment. Engineers often grapple with heat buildup, efficiency penalties, and mounting regulatory pressure in DOE2016 environments. This model carries UL Listed certification and meets DOE2016 Efficient standards, with a three‑phase design and K13 features. Together, these certifications simplify procurement, accelerate installation, and help you meet energy and safety targets across plants. For OEMs and maintenance teams, the 150 kVA rating and 480 V to 208Y/120 V secondary support consistent loads with minimal voltage drop. Its rugged three‑phase design, 31.5 inch depth, and UL approval streamline spec compliance during audits and handover to operations.
Product Information
Extended Description
N48M28T4921CS Eaton: Eaton NextGen K-Factor DOE2016 CU-Shield, 150KVA, K13 XFMR, 3PH, 480-208Y/120, 150C
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T4921CS
UPC
786689670405
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
150 °C rise
Special features
K13
Feature: K-Factor nonlinear ventilated design improves thermal management and load handling. Business Impact: reduces heat buildup and cooling energy, enabling higher continuous loads without overheating. Application: data centers, manufacturing lines, and automation zones where nonlinear loads are common. Feature: 150 kVA three‑phase rating with 480 V primary and 208Y/120 V secondary. Business Impact: supports standard industrial power needs, simplifying panel design and reducing transformer count. Application: control panels, MCCs, and panel boards in plant floors. Feature: DOE2016 Efficient compliance and UL Listed certification. Business Impact: lowers energy costs while ensuring safety and regulatory readiness; Installation ease improves project timelines. Application: regulated facilities across manufacturing and process industries. Feature: K13 feature and energy‑efficient ventilated design. Business Impact: enhanced fault tolerance and sustained efficiency under peak loading; reduces total cost of ownership. Application: critical load scenarios in producing environments. Feature: Physical footprint and wiring compatibility: 31.5 in L depth, 34.5 in W, 51 in H, 283B wiring, Frame 943. Business Impact: predictable fit in standard electrical rooms and straightforward wiring, minimizing site modifications. Application: retrofit projects and new builds with space constraints and standard crane access.
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FAQs
The N48M28T4921CS is a three‑phase transformer with a 480 V primary and 208Y/120 V secondary, designed to feed control circuits, drives, and automation equipment. The wiring is compatible with Eaton’s 283B connection scheme, and its 150 kVA rating supports robust load distribution while maintaining voltage stability across multiple downstream devices. This makes it suitable for OEM panels, MCCs, and machine controllers, reducing the need for additional step‑down components.
This transformer is UL Listed for safety and complies with DOE2016 Efficient standards for energy performance. This combination supports regulatory readiness, safer field installation, and lower operating costs. The UL listing helps with approvals during audits, while the DOE2016 efficiency designation contributes to reduced heat and energy consumption under typical plant loads.
Plan for a footprint of roughly 31.5 in long by 34.5 in wide by 51 in high, with a weight around 1200 lb. The unit uses frame 943 and wiring via 283B, so ensure ceiling height and room access allow crane or palletized placement. Adequate clearance for ventilation and routine service is essential, and your layout should accommodate safe routing of primary and secondary conductors to minimize voltage drop and heat buildup.
K13 denotes limited overheating and enhanced thermal performance under nonlinear load profiles, while the ventilated design improves heat dissipation. Together, they support tighter voltage regulation and reduced cooling demand in machines and drives with harmonic content. For plants with variable speed drives or rectifier loads, this reduces hot spots and extends transformer life without compromising efficiency.
Yes. Its standard primary and secondary voltages, compatible wiring scheme, and UL DOE2016 certifications make it a strong retrofit option for existing control cabinets and new builds. The 150 kVA rating supports mid‑to‑large automation loads, while the robust framing and standard dimensions help minimize mechanical changes. Regular maintenance is straightforward thanks to accessible wiring and clear labeling of terminations.