Eaton N48M28T30 Transformer - K-13 Ventilated, UL Listed
Part Number: N48M28T30
Quick Summary
The Eaton N48M28T30 transformer provides K-Factor tuned, three-phase power isolation for critical facility electrical systems. Engineers often struggle with harmonic distortion and transformer overheating when serving nonlinear loads; this unit mitigates those risks with a rugged K-13 design and ventilated cooling. UL Listed certification confirms safety compliance, while the 150°C rise rating supports demanding industrial environments and continuous operation. Designed for easy installation in standard frames and compatible with WS38 weatherization, it suits outdoor or harsh indoor sites, making it a reliable choice for data centers, manufacturing lines, and process control panels.
Product Information
Extended Description
N48M28T30 Eaton: K-Factor nonlinear ventilated transformer K-13, Three-phase, PV: 480V, Taps: 2 at 0.025 FCAN, 4 at -0.025 FCBN, SV: 208Y/120V, 150°C, 30 kVA, Al windings, Elec. Shield, Frame: 912B
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48M28T30
UPC
786680036439
Product Length/Depth
16.5 in
Product Height
30 in
Product Width
23 in
Product Weight
178 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Certifications
UL Listed
Coil material
Aluminum
Type
Ventilated transformer
Design
K-13
Frame
912B
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Frequency rating
60 Hz
Kva Rating
30 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
150 °C rise
Special features
Electrostatically Shielded
Weathershield
WS38
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton's Transformer Flex Center
Eaton Specification Sheet - N48M28T30
Feature: K-13 nonlinear ventilated transformer design. Benefit: Improves tolerance to harmonic loads and reduces overheating risk, enabling reliable operation in nonlinear power environments. Application: Data centers and automotive/industrial manufacturing lines that experience harmonics and peak loading. Long-tail keyword: K-Factor transformer for harmonic mitigation. Feature: Three-phase 30 kVA rating with 480 V primary and 208Y/120 V secondary. Benefit: Simplifies integration into standard plant distribution while delivering solid load capacity. Application: Main distribution and control panels in factories. Long-tail keyword: three-phase 30 kVA transformer. Feature: Tap settings—2 at +2.5% FCAN, 4 at -2.5% FCBN. Benefit: Precise voltage regulation under varying input conditions, reducing equipment stress. Application: Critical equipment with strict voltage tolerance. Long-tail keyword: transformer taps for efficiency. Feature: Aluminum windings with electrostatic shield. Benefit: Enhanced thermal performance and EMI suppression for cleaner power delivery. Application: Environments with sensitive electronics and controls. Long-tail keyword: aluminum winding transformer with shield. Feature: Frame 912B and WS38 weatherization. Benefit: Easy mounting in standard frames and protective operation outdoors or in harsh indoor sites. Application: Outdoor substations and harsh industrial rooms. Long-tail keyword: WS38 weather shield compatibility. Feature: UL Listed certification and 60 Hz operation. Benefit: Meets safety and utility compliance requirements for North American installations, minimizing procurement risk. Application: Building management systems and industrial automation. Long-tail keyword: UL Listed transformer for compliance.
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FAQs
This is a three-phase 30 kVA transformer with a 480 V primary and 208Y/120 V secondary, designed for standard mounting on a 912B frame. Weight and dimensions are manageable for equipment rooms and outdoor sites when using WS38 weatherization. Ensure proper ventilation and allow accessible clearances for maintenance and taps adjustments at +2.5% and -2.5% settings.
The K-13 nonlinear design mitigates additional heating and voltage distortion under harmonic-rich conditions, improving reliability and extending transformer life. This makes it suitable for systems with nonlinear power conversion, drives, and other harmonic sources common in modern manufacturing and data center environments.
Yes. With a 30 kVA rating, 480 V primary, 208Y/120 V secondary, and a ventilated K-Factor design, it supports critical loads in data centers and factory floors. Aluminum windings and EMI shielding further enhance performance, while frame 912B and WS38 weatherization ease installation in varied environments.
The N48M28T30 carries UL Listed certification, signaling compliance with established safety standards for electrical equipment. It is designed for 60 Hz operation and is suitable for North American installations. Always reference the Eaton datasheet for complete conformance details and installation guidance.
Eaton provides a one-year limited warranty from installation or eighteen months from shipment, whichever occurs first. For ongoing support, consult Eaton’s policy 25-000 and access the latest datasheets and catalog materials for installation best practices and replacement parts.