Eaton V48M28F30CUEEZZ Open core-coil Transformer - NEMA TP-1
Part Number: V48M28F30CUEEZZ
Quick Summary
It is a 30 kVA three-phase, dry-type transformer designed to step down 480 V primary power to 208Y/120 V secondary for industrial controls and panel distribution. The unit features open core-coil, ventilated construction that supports reliable operation in crowded electrical rooms and minimizes heat buildup under load. Copper windings and robust insulation deliver efficient energy transfer with a 115°C rise rating, helping meet demanding industrial duty cycles. The design integrates a tap-changer for voltage regulation and UL Recognized, NEMA TP-1 compliant safety, offering open-core ventilation benefits and safer serviceability. With these capabilities, it delivers safer, more energy-efficient operation and easier retrofits, supporting reduced energy waste and improved panel density in manufacturing plants.
Product Information
Extended Description
V48M28F30CUEEZZ 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, 115°C rise, 30 kVA, Copper windings, EE, ZZ
Product Name
Eaton Open core-coil ventilated transformer
Catalog Number
V48M28F30CUEEZZ
UPC
786680059650
Product Length/Depth
0.001 in
Product Height
32.02 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
912C
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
115 °C rise
Volt ampere rating
30 kVA
Paragraph 1: The Eaton V48M28F30CUEEZZ leverages an open core-coil ventilated design to improve cooling by enabling natural convection around windings, reducing hot spots in high-density panels. This cooling efficiency translates to longer service life and lower maintenance costs in manufacturing lines. The design is especially advantageous for machine centers and assembly lines where panel space is at a premium. Paragraph 2: Rated for 60 Hz and three-phase operation, this unit uses a 480 V primary and 208Y/120 V secondary, compatible with common plant power architectures. Selectable tap settings provide precise voltage regulation: two taps at +2.5% and four taps at -2.5% to compensate for line drop and load changes. This flexibility supports accurate downstream voltages for sensitive controls and drives in automation equipment. Paragraph 3: Copper windings with the taps offer efficient voltage control without sacrificing reliability in convection-rich cabinets. The compact 912C frame simplifies mounting in existing control cabinets and transformer bays, supporting easy retrofits. This arrangement also reduces field wiring complexity and speeds installation in retrofitted lines. Paragraph 4: UL Recognized and NEMA TP-1 compliant status ensures safety and regulatory compliance for industrial installations. Catalog notes emphasize NEMA TP-1 efficiency and open-type core-and-coil construction, optimized for ventilation and serviceability. Open-type design supports safer field service and easier maintenance in crowded electrical rooms. Paragraph 5: One-year warranty from installation or eighteen months from shipment demonstrates Eaton's commitment to uptime in critical automation tasks. With these protections, the unit offers a reliable path to reduced downtime and predictable maintenance costs. This transformer is designed for open panel environments, delivering consistent performance and strong ROI in manufacturing environments.
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FAQs
Yes. The V48M28F30CUEEZZ is designed for a 480 V primary and 208Y/120 V secondary, with 60 Hz operation and a 30 kVA rating, making it compatible with standard industrial panels. It uses a 912C frame and copper windings for reliable performance, and features two taps at +2.5% and four taps at -2.5% to maintain proper output under line variations.
Key specifications include 30 kVA, 480 V primary, 208Y/120 V secondary, 60 Hz, copper windings, and an open-core ventilated design. It provides precise regulation via two +2.5% taps and four -2.5% taps. The transformer also delivers a 115°C rise, UL Recognized safety, and NEMA TP-1 compliance to support steady, reliable operation of controls and drives.
Yes. The unit is tailored for machine control cabinets and industrial panels, offering a 30 kVA capacity with selectable taps to accommodate line variations. The open-core design enhances cooling, the 912C frame simplifies mounting, and copper windings improve efficiency, helping reduce downtime and improve control reliability in automated production lines.
This transformer is UL Recognized and NEMA TP-1 compliant, with NEMA TP-1 efficiency considerations. Open-type core-and-coil construction is highlighted in catalog notes, facilitating ventilation and serviceability. These certifications ensure safety, regulatory alignment, and energy-performance expectations across industrial installations.
Expect standard preventive maintenance for copper windings and insulation, with a one-year warranty from installation or an 18-month window from shipment. The design supports uptime, reduced energy waste, and easier retrofits, delivering a favorable ROI through improved panel density, lower cooling losses, and longer service intervals in automation environments.