Eaton V48M28T75CUEEZZ Open core-coil Transformer - UL Recognized
Part Number: V48M28T75CUEEZZ
Quick Summary
Eaton Open core-coil ventilated transformer powers critical industrial control panels and switchgear. Engineers often contend with voltage fluctuations, heat buildup, and space constraints in 480 V to 208Y/120 V distributions. UL Recognized and NEMA TP-1 compliant construction support reliable procurement and regulatory compliance, while copper windings and a 150°C rise enable durable operation in demanding environments. This model delivers predictable planning and a smaller footprint with 75 kVA capacity, helping keep critical systems running while reducing energy losses. By offering voltage taps for regulation and a dry-type construction, it aligns with modern automation architectures and maintenance workflows.
Product Information
Extended Description
V48M28T75CUEEZZ Eaton: Eaton Open core-coil ventilated transformer, DT-3 (3-phase), PV 480V, Taps: 2 at +2.5% /4 at -2.5%, SV 208Y/120V, 150°C rise w/ 200°C insulation systeam, 75 kVA, Copper windings, EE, ZZ
Product Name
Eaton Open core-coil ventilated transformer
Catalog Number
V48M28T75CUEEZZ
UPC
786680059131
Product Length/Depth
0.001 in
Product Height
0.001 in
Product Width
0.001 in
Product Weight
0.001 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.
Compliances
NEMA TP-1 Compliant
Certifications
UL Recognized
Catalog Notes
NEMA TP-1 efficient, Open type core and coil assembly
Coil material
Copper
Frame
CT75E103
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Type
Dry Type Distribution Transformer
Frequency rating
60 Hz
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208 Y/120 V
Temperature rise
150 °C rise
Volt ampere rating
75 kVA
Open core-coil ventilated design enhances cooling under heavy load, reducing thermal derating and extending service life. This translates to greater uptime for mission-critical applications such as panel boards and switchgear assemblies, where consistent voltage delivery is essential. The 75 kVA three-phase rating with a 480 V to 208Y/120 V footprint supports scalable distribution for mid-size industrial systems, enabling seamless expansion without replacing equipment and reducing total cost of ownership. Voltage taps provide precise regulation, with two taps at +2.5% and four taps at -2.5%, helping systems compensate for supply variations and maintain voltage integrity across loads. Copper windings improve conductivity and reliability, while the 150°C rise with a 200°C insulation system ensures durable performance in hot environments common in manufacturing floors. The open-type core and coil, along with UL Recognized and NEMA TP-1 compliance, streamlines procurement and compliance checks while delivering predictable performance. Frame CT75E103 integrates smoothly with existing distribution footprints, simplifying installation and reducing commissioning time in new or retrofit projects.
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FAQs
This three-phase 75 kVA transformer fits standard distribution spaces with a 480 V primary and 208Y/120 V secondary. Ensure proper ventilation and clearance for the open-core design, provide adequate ambient temperature handling, and align mounting to the CT75E103 frame. Tap positions (+2.5% and -2.5%) should be planned for voltage regulation during commissioning to maintain stable downstream voltages.
Key specs include 75 kVA rated power, 60 Hz frequency, three-phase construction, 480 V primary, 208Y/120 V secondary, and copper windings. The unit features two taps at +2.5% and four taps at -2.5% for voltage adjustment, with a 150°C rise and 200°C insulation system to support harsh operating conditions.
Yes. The 150°C rise with a 200°C insulation system, copper windings, and open-core ventilated design are tailored for challenging manufacturing environments. UL Recognized and NEMA TP-1 compliant construction further support reliable operation, compliance, and long service life in demanding plant floors.
The transformer is UL Recognized and NEMA TP-1 compliant, signaling adherence to safety and energy efficiency standards. These certifications simplify supplier qualification, facilitate regulatory audits, and help ensure compatible performance within building and electrical distribution codes.
Eaton provides a warranty of one year from installation or eighteen months from shipment, whichever occurs first (per policy 25-000). This coverage supports maintenance planning, minimizes unexpected downtime, and aligns with standard procurement expectations for industrial transformers.