Eaton V47M28T75EEZZ Transformer - 75 kVA 480Y/208Y
Part Number: V47M28T75EEZZ
Quick Summary
Eaton V47M28T75EEZZ open core-coil ventilated transformer provides 75 kVA three-phase power distribution. Many plants struggle with temperature rise and efficiency losses that threaten uptime and raise operating costs. Key certifications to verify with Eaton include CE marking, UL/IEC safety compliance, and relevant IP enclosure ratings to meet regional regulatory requirements. Designed for industrial power distribution, it supports flexible voltage configurations and taps to match your system voltage while enabling reliable operation and long service life.
Product Information
Extended Description
V47M28T75EEZZ Eaton: Eaton Open core-coil ventilated transformer, DT-3 (3-phase), PV 480 Y, Taps: 2 at +2.5% /4 at -2.5%, SV 208Y/120V, 150°C rise w/ 200°C insulation systeam, 75 kVA, EE, ZZ
Product Name
Eaton Open core-coil ventilated transformer
Catalog Number
V47M28T75EEZZ
UPC
786680139093
Product Length/Depth
0.001 in
Product Height
0.001 in
Product Width
0.001 in
Product Weight
0.001 lb
Certifications
Contact Manufacturer
Primary voltage
480 Y
Secondary Voltage
208 Y/120 V
Volt ampere rating
75 kVA
Open core-coil ventilated design enhances cooling and reduces hotspot formation, which translates into longer service intervals and lower risk of insulation degradation in continuous operation environments. The ventilation strategy draws heat away from windings efficiently, improving overall transformer efficiency even under peak loading. The 75 kVA rating with a 480Y primary and 208Y/120V secondary supports both heavy motor loads and lower-voltage control circuits from a single compact unit. In practice, this configuration simplifies panel design, reduces the number of transformers required on site, and improves energy management across distributed loads. Voltage tapping provides +2.5% on two taps and -2.5% on four taps, offering practical regulation across fluctuating utility voltages and supply dips. This flexibility minimizes voltage stress on connected equipment, extending life of motors and drives and reducing nuisance trips. With a 150°C rise rating and a 200°C insulation system, the transformer maintains safe operation even in warm facilities or enclosure-mounted installations. The higher insulation margin supports longer life in environments where ambient temperatures and ventilation are less predictable. Three-phase design ensures balanced loading and fault tolerance, which translates to smoother operation of distribution networks and easier protection coordination. The open-core, ventilated construction also simplifies serviceability, making it easier to access windings, verify connections, and perform preventive maintenance. Compatibility with Eaton catalogs and standard mounting practices reduces installation risk, speeds commissioning, and simplifies future upgrades. By aligning with familiar Eaton components, maintenance teams benefit from a common spare-parts strategy and streamlined support channels. Industry benchmarks for open-core transformers emphasize cooling efficiency and maintenance predictability; this design aligns with those expectations, delivering consistent performance across regulatory cycles. Installation and commissioning teams appreciate the documented performance characteristics and straightforward electrical connections, which shorten risk assessments and testing cycles. When space is constrained, the ventilated open-core approach offers a practical balance between footprint and airflow.
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FAQs
Install the unit as a three-phase 480Y input to 208Y/120V output transformer. Follow the manufacturer’s mounting guidelines, ensure adequate clearance for ventilation, connect primaries to 480Y with appropriate taps (+2.5% or -2.5% as required), and wire the secondary to 208Y/120V loads. Confirm phase rotation and labeling to prevent mis-wiring and ensure safe operation.
The V47M28T75EEZZ delivers 75 kVA with a 480Y primary and 208Y/120V secondary. It provides taps at +2.5% on two settings and -2.5% on four settings for voltage adjustment. It features a 150°C insulation rise with a 200°C insulation system, suitable for demanding environments while maintaining voltage regulation.
Yes. Its 75 kVA, 480Y/208Y configuration supports critical loads in manufacturing lines and equipment rooms. The three-phase design, voltage-tap flexibility, and enhanced cooling make it appropriate for controlled power distribution in industrial settings and light-to-moderate data center equipment rooms.
Verify CE marking, UL/IEC safety compliance, and applicable IP ratings using Eaton's datasheet and the local regulatory requirements. While certification details vary by region, these benchmarks commonly ensure electrical safety, environmental protection, and conformity with international standards.
Expect improved uptime due to open-core ventilated cooling and reduced thermal hotspots, lowering maintenance windows. The voltage-tap flexibility helps maintain regulation under supply variation, reducing losses and limiting downtime. Over time, dependable performance and extended service life translate to lower total cost of ownership.