Eaton V47M28T45EEZZ Open Core Transformer - EEZZ
Part Number: V47M28T45EEZZ
Quick Summary
Eaton V47M28T45EEZZ Open core-coil ventilated transformer provides reliable medium-to-low voltage isolation for industrial controls. Engineers often grapple with thermal rise, voltage drift, and downtime when applying undersized, poorly ventilated units. Industry-standard safety and performance certifications such as CE marking and UL/CSA compatibility are commonly pursued, with EE/ZZ insulation and DT-3 3-phase design influencing installation in demanding environments. The 45 kVA rating combined with primary 480Y and secondary 208Y/120V delivers scalable power for control panels and machine tools. Designed for industrial power distribution in automation, this transformer supports easy panel integration and reliable operation across variable loads. With flexible voltage taps and ventilated cooling, it helps maintain process stability and compliance in time-critical automation environments.
Product Information
Extended Description
V47M28T45EEZZ 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, 45 kVA, EE, ZZ
Product Name
Eaton Open core-coil ventilated transformer
Catalog Number
V47M28T45EEZZ
UPC
786680138324
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
45 kVA
Feature: Open core-coil ventilated design enhances cooling and heat dissipation. Business Impact: Lower thermal rise under peak loads reduces voltage sag and service interruptions, improving equipment uptime in automation applications. Application: Suitable for 3-phase control panels and machine tool stations where steady voltage is critical and space is at a premium. Feature: 3-phase DT-3 configuration with 480Y primary and 208Y/120V secondary. Business Impact: Enables seamless integration with standard industrial power networks and equipment footprints, reducing design complexity and installation time. Application: Widely used in industrial power distribution within manufacturing lines and process automation. Feature: 45 kVA rating with taps at +2.5% (two taps) and -2.5% (four taps). Business Impact: Precise voltage regulation under varying load conditions, minimizing peripheral equipment misoperation and reducing voltage-related downtime. Application: Critical for automated machinery, robotics, and CNC systems that demand stable supply. Feature: EE/ZZ insulation system and 150°C rise with 200°C insulation standard. Business Impact: Enhanced insulation performance supports higher temperature environments, extending service life and reducing preventive maintenance costs. Application: Enclosures and panels in harsh facilities or rooftop installations where ambient heat is a factor. Feature: 480Y primary, 208Y/120V secondary compatibility. Business Impact: Facilitates multi-voltage control schemes and simple field cabling to diverse downstream devices, boosting panel versatility. Application: Control panels, conveyors, and automation equipment requiring reliable cross-voltage operation. Industry Context: In the real world, open-core ventilated transformers like this model are favored for their balance of cooling efficiency, robust voltage regulation, and straightforward maintenance. Users benefit from predictable performance across a broad temperature range and a design that aligns with common industrial standards for power distribution in automation environments.
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FAQs
Install the unit in a well-ventilated enclosure with adequate clearance for cooling. Connect the 480Y primary to the incoming supply and route the 208Y/120V secondary to the control circuits. Use the two +2.5% taps and four -2.5% taps to fine-tune voltage under load. Verify torque specs on all lugs and follow Eaton installation guidelines.
Primary voltage is 480Y, secondary voltage is 208Y/120V, and the transformer is rated at 45 kVA. It is a 3-phase DT-3 design with taps at +2.5% (two taps) and -2.5% (four taps). It provides 150°C rise with a 200°C insulation system, and uses EE/ZZ insulation for challenging environments.
Yes. The 45 kVA rating, 3-phase DT-3 configuration, and dual-voltage outputs (480Y to 208Y/120V) are well-suited for control panels, CNC machines, conveyors, and automation equipment requiring stable voltage and reliable operation under variable loads.
The product data indicates certifications are to be confirmed with the manufacturer. In practice, verify regional CE, UL/CSA, and environmental certifications with Eaton or the authorized distributor for your installation site to ensure compliance and traceability.
The open-core ventilated design improves cooling, reducing thermal stress and extending service life. The presence of multiple voltage taps enables precise voltage regulation, minimizing wear on downstream devices and reducing maintenance cycles. Overall, expect improved uptime and predictable performance in automated production lines.