Eaton RV48M28F3316CUSB Breaker Integrated Transformer - UL
Part Number: RV48M28F3316CUSB
Quick Summary
The Eaton RV48M28F3316CUSB breaker-integrated ventilated transformer provides reliable three-phase power for industrial distribution. Engineers often struggle with limited space, heat management, and regulatory compliance in compact switchgear, making paneled solutions slow to deploy. This unit delivers DOE 2016 efficiency, UL Listed safety, and 10 CFR Part 431 compliant performance to help reduce energy waste and simplify approvals. With copper windings, a NEMA 2 enclosure, and a floor-mount design, it supports durable operation in demanding environments. In practical terms, you gain a compact footprint, predictable voltage transformation, and a streamlined path to compliance, while preserving compatibility with standard 480 V to 208Y/120 V systems and flexible tap options for real-world automation and distribution needs.
Product Information
Extended Description
RV48M28F3316CUSB Eaton: 300 kVA BRKR INTEG XFMR 3PH 480-208Y/120 115C Rise Copper NGS312033EC Sec MCCB 945SD 280BSB
Product Name
Eaton Breaker integrated ventilated transformer
Catalog Number
RV48M28F3316CUSB
UPC
786680246937
Product Length/Depth
33.5 in
Product Height
74.8 in
Product Width
42.18 in
Product Weight
1.1 lb
Compliances
DOE2016 Efficient
Certifications
UL Listed
Catalog Notes
10 CFR Part 431 (2016) Efficient
Coil material
Copper
Enclosure
NEMA 2
Frame
945SD
Insulation
342 °C
Material
Copper windings
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
Secondary Voltage
208Y/120 V
Temperature rise
115 °C rise
Voltage rating
480 Vac-208Y/120 Vac
Efficiency
10 CFR Part 431-2016 (DOE 2016)
Special features
Secondary MCCB NGS312033EC
Weathershield
WS69
Feature → Business Impact → Application: The RV48M28F3316CUSB delivers a 300 kVA three-phase transformer with a 480 V primary and 208Y/120 V secondary, enabling robust power distribution for large automation cells and equipment rooms while maintaining a compact footprint. This translates to improved load handling, reduced panel space, and easier integration with existing switchgear in manufacturing lines and PLC-driven facilities. Application: ideal for industrial automation, machine builds, and power distribution in factories where space is at a premium and reliability is critical. Feature → Business Impact → Application: Copper windings and 342 °C insulation provide high thermal tolerance and lower eddy losses, which improve efficiency and longevity under continuous duty in hot plant environments. Application: data centers, process plants, and heavy manufacturing where uptime and heat management matter. Feature → Business Impact → Application: NEMA 2 enclosure and floor mounting offer rugged protection and straightforward installation in factory floors or mechanical rooms, reducing installation time and safeguarding internal components. Application: retrofit projects and new builds requiring resilient, code-compliant enclosures. Feature → Business Impact → Application: Tap size options (2 at +2.5%, 4 at -2.5%) enable voltage regulation to match application needs, improving voltage stability for drives and MCCB coordination. Application: servo drives, CNC machines, and distributed control systems. Feature → Business Impact → Application: Secondary MCCB NGS312033EC and integrated protection simplify wiring and enhance safety, reducing panel count and field wiring errors. Application: switchgear assemblies and compact transformer banks. Feature → Business Impact → Application: DOE 2016 efficiency compliance and 10 CFR Part 431 alignment lower operating costs and support energy-management programs across facilities. Application: industrial facilities aiming for energy-performance certifications. The combination of a 945SD frame and 280BSB wiring compatibility further enhances installation flexibility and maintenance planning across diverse plant layouts.
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FAQs
This unit is designed for floor mounting and uses a 280BSB wiring connection with a NEMA 2 enclosure, supporting seamless integration into standard 3-phase switchgear. Its 33.5 in depth, 42.18 in width, and 74.8 in height should be reviewed against your room dimensions and clearance. The integrated MCCB (NGS312033EC) simplifies panel wiring and coordination with existing protective schemes.
Key specs include a 300 kVA rating, three-phase configuration, 480 V primary voltage, 208Y/120 V secondary, 60 Hz operation, and 115 °C rise insulation with copper windings. It also offers voltage taps at +2.5% and -2.5%, and comes in a 945SD frame with NEMA 2 enclosure for robust industrial use and reliable heat management.
Yes. The RV48M28F3316CUSB complies with DOE 2016 Efficient standards and 10 CFR Part 431, ensuring energy-efficient operation and alignment with regulatory and sustainability programs in commercial and industrial facilities.
It is ideal for industrial automation, machine control rooms, and power-distribution panels needing reliable 480 V to 208Y/120 V transformation. The unit supports 60 Hz operations, copper windings for durability, and an integrated MCCB for streamlined safety and protection in floor-mounted installations.
The transformer is UL Listed and DOE 2016 Efficient compliant, with 10 CFR Part 431 alignment for energy efficiency. It includes a secondary MCCB (NGS312033EC) and a robust NEMA 2 enclosure, enhancing safety, compliance, and long-term reliability in industrial environments.