Eaton V29R47F75EEZZ Open core-coil transformer - NEMA TP-1
Part Number: V29R47F75EEZZ
Quick Summary
Eaton open core-coil transformer powers reliable distribution for industrial facilities. Designers and maintenance teams often struggle with space constraints, ventilation, and compliance when sourcing robust, efficient power transformers. This unit carries NEMA TP-1 efficiency and UL Recognized certification, supporting open-type core-and-coil assemblies in ventilated enclosures. With a 75 kVA rating, three-phase 60 Hz operation, and a 208 V primary to 480 Y/277 V secondary, it fits standard plant voltages while enabling straightforward installation and service. By combining open-core ventilation with proven Eaton design, it delivers predictable performance, reduced energy loss, and lower lifecycle cost, making it a strong choice for electrical rooms and distribution panels.
Product Information
Extended Description
V29R47F75EEZZ Eaton: Eaton Open core-coil ventilated transformer, DT-3 (3-phase), PV 208V, Taps: 1 at +5%/2 at -5%, SV 480Y/277V, 115°C rise, 75 kVA, EE, ZZ
Product Name
Eaton Open core-coil ventilated transformer
Catalog Number
V29R47F75EEZZ
UPC
786680081873
Product Length/Depth
0.001 in
Product Height
0.001 in
Product Width
0.001 in
Product Weight
602 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
CT75E203
Tap size
1 at +5% FCAN, 2 at -5% FCBN
Type
Dry Type Distribution Transformer
Frequency rating
60 Hz
Phase
Three-phase
Primary voltage
208 V
Secondary Voltage
480 Y/277 V
Temperature rise
115 °C rise
Volt ampere rating
75 kVA
Feature: Open core-coil ventilated construction. Business Impact: Enhances cooling and reduces thermal stress on windings, improving uptime and extending insulation life in demanding environments. Application: Ideal for open-environment distribution panels in manufacturing floors or ventilated electrical rooms. Feature: 75 kVA, three-phase, 60 Hz rating with 208 V primary and 480 Y/277 V secondary. Business Impact: Supports common plant voltages and scalable power delivery, enabling standardization across equipment and installations. Application: Suitable for mid-size distribution needs in industrial facilities and commercial buildings. Feature: Tap changer with 1 at +5% and 2 at -5%. Business Impact: Improves voltage regulation under load, reducing equipment stress and improving load balance. Application: Critical for facilities with variable supply conditions or sensitive loads. Feature: Aluminum coil and CT75E203 frame. Business Impact: Lightweight relative to copper options with strong structural integrity; simplifies mounting and reduces installation time. Application: Fixed installations in electrical rooms where space and weight considerations matter. Feature: NEMA TP-1 efficiency and UL Recognized certification. Business Impact: Ensures code compliance and reliability, easing procurement and maintenance planning. Application: Industrial power distributions that require verified efficiency and safety standards. Feature: 115°C rise rating and open-type core design. Business Impact: Indicates robust insulation and thermal margin for continuous operation. Application: Ventilated environments where cooling paths are accessible and serviceable.
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FAQs
This unit is a heavy, three-phase dry-type transformer with an open-core, ventilated design and weighs 602 lb. Plan for secure mounting on a rigid frame (CT75E203) and ensure adequate ventilation clearance around the enclosure. Verify 208 V input and 480Y/277 V output compatibility with downstream switchgear, and confirm UL Recognized and NEMA TP-1 compliance for your facility.
The transformer provides taps at +5% (1 tap) and -5% (2 taps) to adjust secondary voltage under varying loads, helping maintain acceptable voltage at critical equipment. This feature supports tighter voltage regulation in fluctuating supply conditions, reducing the risk of undervoltage or overvoltage on sensitive loads while preserving efficiency at rated 75 kVA.
Yes. With a 75 kVA rating, three-phase 60 Hz operation, and primary 208 V to secondary 480Y/277 V, it suits distribution needs across data centers and manufacturing lines. The open-core ventilated design aids cooling, while NEMA TP-1 efficiency and UL recognition support reliable operation in demanding industrial environments.
This transformer is NEMA TP-1 compliant and UL Recognized, reflecting adherence to efficiency and safety standards for open-type core-and-coil assemblies. Catalog notes reinforce its open-type construction and TP-1 efficiency, making it suitable for code-compliant installations in commercial and industrial facilities.
Warranty is one year from installation or eighteen months from shipment, whichever occurs first, per Eaton policy. Routine maintenance should focus on ventilation clearance, connection integrity, and insulation condition. The combination of efficiency (TP-1) and robust construction supports lower lifecycle costs through reduced energy loss and fewer failures in open-room installations.