Eaton N48G28T09CU Transformer - UL Listed, K-Factor
Part Number: N48G28T09CU
Quick Summary
The Eaton N48G28T09CU transformer provides nonlinear, ventilated power conversion for critical industrial control panels. In high-density power layouts, heat buildup, insulation challenges, and voltage drift can throttle performance; this unit's K-Factor design and robust ventilation help maintain reliability under harmonic loads. UL Listed certification underscores safety and compliance in regulated facilities, with additional EMI protection from an electrostatic shield. Copper windings reduce resistance losses, while the WS38 weather shield option expands outdoor or harsh-environment installations. The 9 kVA, three-phase design with 480 V primary and 208Y/120 V secondary, plus two -5% FCBN taps, supports stable distribution and easy integration in plant power systems.
Product Information
Extended Description
N48G28T09CU Eaton: K-Factor Non Linear Transformer, Ventilated, K-13, Three-phase, PV: 480V, Taps: 2 at -5% FCBN, SV: 208Y/120V, 150°C, 9 kVA, Cu windings, Elec. Shield, Frame: 912B, uses WS38
Product Name
Eaton K-Factor nonlinear ventilated transformer
Catalog Number
N48G28T09CU
UPC
786680097027
Product Length/Depth
16.5 in
Product Height
30 in
Product Width
23 in
Product Weight
227 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
Copper
Type
Ventilated transformer
Design
K-13
Frame
912B
Tap size
2 at -5% FCBN
Frequency rating
60 Hz
Kva Rating
9 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 - N48G28T09CU
Feature: K-Factor nonlinear design and ventilated construction. Business Impact: minimizes overheating and voltage distortion under harmonic loads, improving transformer life and protecting downstream equipment. Application: ideal for automation panels and motor-drive installations where harmonics are common. Feature: Copper windings with an electrostatic shield. Business Impact: reduces conduction losses and suppresses EMI, enhancing control signal integrity and reliability. Application: PLCs, sensors, and proximity devices mounted in close proximity to power transformers. Feature: 9 kVA rating at 60 Hz with 480 V primary and 208Y/120 V secondary. Business Impact: aligns with standard plant distribution practices, enabling straightforward panel board design and cascading power. Application: medium-load automation panels and distribution blocks. Feature: Tap changes at 2 at -5% FCBN. Business Impact: provides voltage regulation under varying load and supply conditions, lowering the risk of undervoltage or overvoltage in critical loads. Application: upstream electrical networks and equipment rooms requiring stable bus voltages. Feature: Frame 912B, weight 227 lb, dimensions 16.5 in depth, 23 in width, 30 in height. Business Impact: predictable footprint facilitates enclosure planning and retrofit projects. Application: replacement in existing 912B-frame footprints and new installations with space constraints. Feature: WS38 Weathershield option and electrostatic shielding. Business Impact: expands outdoor or damp environments while maintaining EMI protection. Application: outdoor substations, damp environments, and harsh industrial floors. Feature: UL Listed certification. Business Impact: supports compliance with safety and installation standards, reducing qualification time for regulated facilities. Application: any facility requiring certified electrical components and documented performance.
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FAQs
The N48G28T09CU is designed for a 912B-frame footprint with dimensions of 16.5 in depth, 23 in width, and 30 in height, supporting assembly in standard industrial enclosures and control panels. It weighs 227 lb and uses copper windings with an electrostatic shield. For mounting, ensure adequate ventilation and clearance for the 60 Hz three-phase 480 V input and 208Y/120 V output, and consider WS38 weather shield compatibility for outdoor or damp environments.
Key specs include a 9 kVA three-phase rating at 60 Hz, 480 V primary, and 208Y/120 V secondary. It features two taps at -5% FCBN for voltage regulation, copper windings, an electrostatic shield, and a 150 °C rise rating. The frame is 912B, and the unit is UL Listed, with a Weathershield WS38 option for outdoor installations.
Yes. The transformer’s K-Factor nonlinear design and ventilated construction handle harmonic-rich environments found in automation and motor-drive systems. Copper windings improve efficiency, while the electrostatic shield reduces EMI, supporting accurate sensing and control. Its robust 9 kVA rating and thermal tolerance (150 °C rise) make it appropriate for hot, space-constrained panels common in modern facilities.
The N48G28T09CU carries UL Listed certification, signaling compliance with established safety and performance standards. This helps streamline acceptance in regulated facilities and supports safer, more reliable operation. No CE or IP specifics are listed in the provided data, so verify regional requirements as needed for your installation.
The transformer is covered by Eaton’s warranty policy: one year from the date of installation or eighteen months from shipment, whichever occurs first. This supports ongoing reliability in critical automation applications and aligns with standard industry expectations. For extended coverage or tailored service, consult Eaton’s distributor or support team.