Eaton V48M28T30ZZ Open core-coil transformer UL Recognized
Part Number: V48M28T30ZZ
Quick Summary
The Eaton V48M28T30ZZ Open core-coil transformer provides reliable three-phase distribution for industrial facilities. Many engineers face heat, efficiency, and space constraints when upgrading legacy transformers. UL Recognized certification ensures safety and compliance for distribution equipment, supporting dependable operation on demanding industrial networks. This DT-3 dry-type transformer delivers efficient power conversion with aluminum windings and adjustable taps, designed for open ventilation. For procurement teams, this design offers predictable performance, easy installation, and reduced lifecycle risk, helping to meet project timelines and budget targets. Secondary benefits include compatibility with PV: 480V primary and 208Y/120V secondary configurations, reliable service under 150°C rise, and Eaton's warranty coverage for installation certainty.
Product Information
Extended Description
V48M28T30ZZ Eaton: Eaton General-Purpose Transformer, Dry Type Distribution, DT-3, Three-phase, PV: 480V, Taps: 2 at +2.5% FCAN, 4 at -2.5% FCBN, SV: 208Y/120V, 150°C, 30 kVA , Al windings , Frame: 910C
Product Name
Eaton Open core-coil ventilated transformer
Catalog Number
V48M28T30ZZ
UPC
786680003592
Product Length/Depth
0.001 in
Product Height
32.02 in
Product Width
0.001 in
Product Weight
230 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 Recognized
Catalog Notes
Open type core and coil assembly
Coil material
Aluminum
Design
DT-3
Frame
910C
Tap size
2 at +2.5% FCAN, 4 at -2.5% FCBN
Type
Dry Type Distribution Transformer
Frequency rating
60 Hz
Kva Rating
30 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
150 °C rise
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton Specification Sheet - V48M28T30ZZ
Selling Policy 25-000 - Distribution and Control Products and Services
Open core-coil ventilated construction enables unimpeded airflow and faster heat dissipation, directly reducing thermal limits and improving continuous-load availability. In practice this translates to higher uptime in hot or crowded electrical rooms, with simpler maintenance routines thanks to visible core and coil assembly. The 30 kVA three-phase rating aligns with medium-load distribution needs in manufacturing lines and data centers, while aluminum windings provide robust performance and corrosion resistance with lower weight. Tap settings at two positions (+2.5% FCAN) and four positions (-2.5% FCBN) offer voltage regulation to accommodate supply variations, reducing voltage-related disturbances downstream. The open-type design eases inspection and service, aiding rapid maintenance and field replacement without extensive enclosure modification. Frame 910C and a 32.02 in height support compatibility with standard distribution enclosures, simplifying installation. Warranty coverage under Eaton policies adds lifecycle cost protection for mission-critical equipment.
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FAQs
Plan for adequate ventilation around the open-core design to prevent heat buildup, and leave clearance for access to the coil assembly for inspection and maintenance. Mount on a rigid base compatible with the 910C frame, and ensure connection to a 480 V primary supply with the appropriate secondary wiring to 208Y/120 V loads.
The unit is a 30 kVA, three-phase transformer with a 480 V primary and 208Y/120 V secondary, rated at 60 Hz with a 150 °C rise. It features taps at 2 positions: two at +2.5% FCAN and four at -2.5% FCBN to compensate for voltage variations in supply and loading conditions.
Yes. Its dry-type DT-3 design, open-core ventilation, and 480 V to 208Y/120 V secondary fit typical automation panels and switchgear. The 30 kVA rating covers common panelboard and control-circuit needs, while the aluminum windings offer durability in diverse industrial environments.
The V48M28T30ZZ carries UL Recognized certification, indicating approved safety and reliability for industrial distribution equipment. Open-type core and coil construction is designed to meet common electrical safety expectations within industrial installations.
Eaton provides a warranty policy covering one year from installation or eighteen months from shipment, whichever comes first. This reduces long-term risk, supports maintenance budgeting, and helps safeguard the lifetime value of the transformer in mission-critical applications.