Eaton V48M28T22EEZZ Open Core Transformer - NEMA TP-1
Part Number: V48M28T22EEZZ
Quick Summary
Eaton V48M28T22EEZZ Open Core Transformer provides reliable dry-type power conversion for industrial control panels and distribution systems. Operators often face voltage drift, limited tap accessibility, and cooling challenges in crowded cabinets; this unit's 2 at +2.5% and 4 at -2.5% taps enable precise on-site voltage tuning to keep equipment running smoothly. UL Recognized and NEMA TP-1 compliant, with a 150 °C rise and a robust 200 °C insulation system, it meets essential safety and performance standards for harsh environments. With a 225 kVA rating and a 480 V primary to 208Y/120 V secondary, it integrates cleanly into common power layouts, delivering reliability while minimizing total cost of ownership. Secondary keywords include dry-type transformer, three-phase distribution transformer, and power management solutions to reinforce the business value for industrial facilities.
Product Information
Extended Description
V48M28T22EEZZ 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, 225 kVA, EE, ZZ
Product Name
Eaton Open core-coil ventilated transformer
Catalog Number
V48M28T22EEZZ
UPC
786680047343
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
Aluminum
Frame
917C
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
225 kVA
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton Specification Sheet - V48M28T22EEZZ
Selling Policy 25-000 - Distribution and Control Products and Services
The three-phase open-core ventilated design improves cooling efficiency and reduces heat buildup, translating into higher fault tolerance and longer service life in high-load installations. This means fewer unplanned outages and better efficiency in continuous-operation facilities such as packaging lines and processing plants. The selectable taps provide ±2.5% voltage adjustment across two and four-tap configurations, enabling precise regulation for sensitive automation equipment and PLCs, reducing voltage-related faults and improving control accuracy. The 225 kVA rating supports heavy downstream loads while maintaining headroom for future expansion, and the 480 V primary with 208Y/120 V secondary aligns with standard industrial distribution for straightforward integration. Aluminum coil construction aids thermal performance and corrosion resistance, contributing to lower lifecycle costs. UL Recognized and NEMA TP-1 compliant status underpins regulatory conformity and safer operation. Open-type core and coil assembly simplifies inspection, maintenance, and upgrades, reducing downtime during service. Overall, the unit offers a practical balance of performance, reliability, and ease of integration in modern plant environments.
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FAQs
The transformer features a 480 V three-phase primary and a 208Y/120 V secondary, supporting standard industrial loads with a 225 kVA rating and 60 Hz operation for reliable power distribution in control panels and equipment rooms.
Yes. This Eaton transformer is UL Recognized and designed to meet NEMA TP-1 efficiency and performance requirements, ensuring safe operation and regulatory compliance in commercial and industrial settings.
Plan for open-core ventilated construction by providing adequate clearance for cooling, ensure proper rack or pad mounting, and confirm supply voltages match 480 V primary and 208Y/120 V secondary. Tap settings (+2.5% and -2.5%) should be configured during commissioning to match load conditions.
Ideal for industrial control panels, automation rooms, and distribution centers requiring reliable 225 kVA power at 480 V to 208Y/120 V, with precise voltage regulation and compliance with UL and NEMA TP-1 standards.
Warranty follows Eaton policy 25-000: one year from installation or 18 months from shipment, whichever occurs first. Regular thermal checks, insulation integrity assessments, and connection torque verifications are recommended to maintain peak efficiency and prevent outages.