Harmonic mitigating transformer X48M28T7516CUNONLS50 UL

Part Number: X48M28T7516CUNONLS50
Manufacturer
Eaton
Part number
X48M28T7516CUNONLS50

Quick Summary

The Eaton Harmonic mitigating transformer delivers clean, reduced-harmonic power for three-phase loads in data centers and manufacturing environments. Many facilities struggle with harmonic distortion that drives energy waste, overheats motors, and complicates regulatory compliance. UL Listed, DOE2016 Efficient, and NEMA 2 enclosure ratings provide safety, energy efficiency, and rugged indoor reliability. With a 75 kVA three-phase capacity and copper windings, it integrates smoothly with 480 V delta and 208Y/120 V systems, supporting scalable, cost-effective upgrades. This combination helps reduce downtime and maintenance costs across production lines. By mitigating harmonics at the source, it enables tighter regulatory compliance while delivering predictable performance for critical loads.

Product Information

Extended Description

X48M28T7516CUNONLS50 Eaton: Eaton Harmonic mitigating transformer, CU windings, DOE 2016, NEMA 2, FR942, 220°C, 75 kVA, Floor mnt, 3-phase, 0° phase shift, PV: 480V delta, SV: 208Y/120, 4-wire, NEMA ST-20, 2 at +2.5%, 4 at -2.5%, 150°C, 50 dB, WS59, 200X
Product Name
Eaton Harmonic mitigating transformer
Catalog Number
X48M28T7516CUNONLS50
UPC
786680247491
Product Length/Depth
24 in
Product Height
43 in
Product Width
30.5 in
Product Weight
686 lb
Compliances
DOE2016 Efficient
Certifications
UL Listed
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Copper
Enclosure
NEMA 2
Frame
FR942
Insulation
240 °C
Material
Copper
Mounting
Floor
Tap size
2 at +2.5%, 4 at -2.5%
Type
Energy-efficient harmonic mitigating transformer
Wiring connection
200X
Efficiency
10 CFR Part 431-2016 (DOE 2016)
Frequency rating
60 Hz
Kva Rating
75 kVA
Phase
Three-phase
Phase shift
Primary voltage
480 V delta
Secondary Voltage
208Y/120 V, four-wire
Sound Level
50 dB
Temperature rise
150 °C rise
Volt ampere rating
75 kVA
Voltage rating
480 Vac-208Y/120 Vac
Weathershield
WS59
Energy efficiency drives savings: DOE 2016 Efficient designation reduces standby losses and operating costs; impact is lower utility bills for continuous, high-load operation. In practice, facilities see measurable annualized savings when harmonics are mitigated at the transformer, easing financial planning and reducing total cost of ownership. Application: data centers and manufacturing floors that run high-current drives and sensitive electronics benefit from improved power quality and reliability. Power quality uplift: phase-shift control and balanced outputs reduce overheating, motor wear, and nuisance trips; impact is longer equipment life and fewer unplanned outages. Application: motor drives, pumps, and CNC equipment in demanding environments. Rugged enclosure and footprint: NEMA 2 indoor enclosure and floor-mount design simplify siting, protect against dust, and fit standard equipment rooms; impact is faster installation and lower risk of environmental damage. Application: shop floors and equipment rooms with limited cabinet space. Voltage regulation features: tap changers (2 at +2.5%, 4 at -2.5%) and 200X wiring support precise voltage delivery; impact is tighter voltage control, fewer external regulators, and enhanced drive performance. Application: systems with marginal supply voltages or peak demand fluctuations. Thermal resilience: 240 °C insulation and copper windings withstand heavy, continuous loads; impact is robust performance and longer service life. Application: high-duty, hot environments. Low noise: 50 dB sound level enables installation in quieter spaces like data centers or office-adjacent facilities; impact is minimal acoustic footprint. Application: noise-sensitive environments. Footprint and weight: 24 in depth, 30.5 in width, 43 in height, and a 686 lb weight; impact is planning flexibility and straightforward crane or palletized installation. Application: retrofit projects and new builds with floor-mounted transformers.

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FAQs

Plan for floor mounting in a dry indoor space with adequate clearance around the enclosure. The unit weighs 686 lb and measures 24 in deep by 30.5 in wide and 43 in high, so ensure forklift or pallet jack access. Use the 200X wiring connection and plan for the tap settings (2 at +2.5%, 4 at -2.5%). Provide proper ventilation and maintain at least 50 dB noise-free circuit routes to minimize acoustic impact.
Key specs include a 75 kVA three-phase rating, 480 V delta primary, 208Y/120 V secondary, 0° phase shift, 60 Hz operation, copper windings, and DOE2016 efficient designation. These features collectively reduce harmonic distortion, improve power factor, and limit drive heating, delivering reliable performance for high-demand loads.
Yes. Its indoor NEMA 2 enclosure, floor-mount design, and 75 kVA rating are ideal for data centers, large motor drives, and manufacturing facilities where stable power, reduced harmonics, and energy efficiency are critical. The 480 V to 208Y/120 V outputs support common IT and industrial loads, while UL listing reinforces safety and reliability.
The unit is UL Listed and DOE 2016 Efficient, with catalog notes referencing 10 CFR Part 431 efficiency standards. UL Listing assures product safety and compliance with electrical codes, while DOE2016 efficiency confirms energy-performance targets, helping facilities meet regulatory requirements and reduce operating costs.
ROI comes from energy savings from DOE2016 efficiency and reduced maintenance due to lower harmonic stress on downstream equipment. With copper windings and robust insulation, wear is minimized, extending service life. Routine checks should verify tap positions, enclosure integrity, and cooling, while normal preventive maintenance for power transformers applies.