Eaton RV48M28T3316CUSB Breaker Transformer - DOE2016

Part Number: RV48M28T3316CUSB
Manufacturer
Eaton
Part number
RV48M28T3316CUSB

Quick Summary

The Eaton RV48M28T3316CUSB Breaker Transformer delivers efficient power isolation for large commercial and industrial controls panels. Engineers face pressure to improve efficiency, save floor space, and stay compliant in demanding environments. UL Listed certification and DOE2016 efficient compliance help you meet regulatory demands, while a rugged NEMA 2 enclosure protects against dust and moisture in tough sites. With 300 kVA three-phase capability and copper windings, the unit supports reliable power distribution at 480 V delta primary and 208Y/120 V secondary, reducing installation complexity and long-term maintenance costs. This design translates to measurable energy savings, faster commissioning, and lower total cost of ownership for panel builders and system integrators.

Product Information

Extended Description

RV48M28T3316CUSB Eaton: Eaton Breaker integrated ventilated transformer, K-f 1 sec MCCB NGS3120KSEC, CU wndng, DOE2016, NEMA2, FR945SD, 220°C, 300 kVA, E-S shld, Flr mt, 3-ph, PV: 480V delta, SV: 208Y/120, NEMA ST-20, 2 @ +2.5%, 4 @ -2.5%, 150°C, 300 kVA, 280BSB
Product Name
Eaton Breaker integrated ventilated transformer
Catalog Number
RV48M28T3316CUSB
UPC
786680223112
Product Length/Depth
34.5 in
Product Height
74.8 in
Product Width
42.18 in
Product Weight
2807 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
DOE2016 Efficient
Certifications
UL Listed
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Copper
Enclosure
NEMA 2
Frame
FR945SD
Insulation
220 °C
Mounting
Floor
Sound Level
NEMA ST-20
Tap size
2 at +2.5%, 4 at -2.5%
Wiring connection
280BSB
Frequency rating
60 Hz
Kva Rating
300 kVA
Phase
Three-phase
Primary voltage
480 V delta
Secondary Voltage
208Y/120 V
Temperature rise
150 °C rise
Voltage rating
480 Vac-208Y/120 Vac
Efficiency
10 CFR Part 431-2016 (DOE 2016)
Modification 1
Electrostatic shield
Special features
K-factor 1; Secondary MCCB NGS3120KSEC
High-efficiency dry-type transformer design reduces energy loss and utility costs. This feature lowers ongoing electricity expenses and helps meet corporate sustainability goals. Application: well-suited for large control panels at 480 V delta primary and 208Y/120 V secondary in manufacturing lines. UL Listed certification and DOE2016 efficiency compliance support regulatory acceptance. The combination simplifies approvals, reduces commissioning time, and lowers risk during audits. Application: installations in commercial buildings and industrial facilities where code compliance matters, including electrical rooms and retrofit projects. Copper windings and robust FR945SD frame enhance thermal performance and durability. This improves reliability under frequent load changes and harsh environments. Application: rugged factory floors, milling operations, and process lines that demand stable voltage and long service life. NEMA 2 enclosure delivers dust and moisture protection for floor-mounted installations. This enclosure rating reduces environmental risk and minimizes maintenance. Application: floor-mounted power distribution in factories, warehouses, and non-climate-controlled spaces. Three-phase 300 kVA rating supports scalable power distribution and reduces equipment counts. This enables future load growth without reconfiguring the power stage. Application: central power transformers in MCC rooms and control houses feeding multiple feeders. Voltage taps +/- adjustments (+2.5% and -2.5%) allow precise regulation to counter line drops and load swings. This enhances AVR performance and protects sensitive equipment. Application: critical manufacturing lines and data-driven automation where voltage stability drives uptime.

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FAQs

The RV48M28T3316CUSB is a 300 kVA, three-phase dry-type transformer designed for floor-mounted installation in MCC rooms and control panels. With a 480 V delta primary and a 208Y/120 V secondary, it supports common plant feeders and compact footprint. Compatibility with a secondary MCCB (NGS3120KSEC) and 280BSB wiring helps streamline panel layouts and reduce wiring complexity.
UL Listed certification ensures compliance with electrical safety codes while DOE2016 efficiency reduces energy losses and operating costs. The unit also reflects 60 Hz operation and a 150 °C rise, with a NEMA 2 enclosure that resists dust and moisture. Together these certifications simplify procurement, inspections, and long-term maintenance planning for industrial facilities.
This voltage arrangement matches many factory power distribution schemes, enabling direct feeding of MCCs and equipment at 208Y/120 V with a robust 480 V delta source. The copper windings deliver reliable current handling and a lower temperature rise under peak loads. Combined with a 300 kVA rating, it supports scalable power delivery for growing lines.
Yes, the RV48M28T3316CUSB provides voltage taps for fine control: 2 taps at +2.5% and 4 taps at -2.5%. This allows tighter voltage regulation to compensate line drop and load swings, protecting sensitive equipment. It also supports stable operation across varying plant conditions, reducing trips and unscheduled downtime.
Plan floor-mount installation in a clean, dry location with a NEMA 2 enclosure to protect against dust and moisture. Regularly inspect copper windings, MCCB shield, and wiring (280BSB) for wear or overheating. The unit carries a one-year warranty from installation or 18 months from shipment, whichever comes first, providing initial protection while you validate ROI.