Eaton RV48M28B4916CUPBSB Breaker integrated ventilated transformer - UL Listed
Part Number: RV48M28B4916CUPBSB
Quick Summary
RV48M28B4916CUPBSB is a breaker-integrated ventilated transformer for three-phase power distribution in industrial facilities. Engineers often confront bulky installations and protection miscoordination when devices are wired separately. UL Listed, DOE 2016 Efficient and NEMA 2 enclosure ratings ensure dependable operation in demanding environments. This integrated solution delivers energy efficiency, streamlined installation, and reduced total cost of ownership by consolidating protection, transformation, and cooling in a single assembly.
Product Information
Extended Description
RV48M28B4916CUPBSB Eaton: 150 kVA BRKR INTEG XFMR 3PH 480-208Y/120 80C Rise Copper LGE3500FAGC Prim MCCB 944DD 280BPBSB LGE3600FAGC Sec MCCB
Product Name
Eaton Breaker integrated ventilated transformer
Catalog Number
RV48M28B4916CUPBSB
UPC
786680246906
Product Length/Depth
33.7 in
Product Height
68.54 in
Product Width
38 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
944DD
Insulation
305 °C
Material
Copper windings
Mounting
Floor
Sound Level
NEMA ST-20
Tap size
2 at +2.5%, 4 at -2.5%
Wiring connection
280BPBSB
Frequency rating
60 Hz
Kva Rating
150 kVA
Phase
Three-phase
Primary voltage
480 V
Secondary Voltage
208Y/120 V
Temperature rise
80 °C rise
Voltage rating
480 Vac-208Y/120 Vac
Efficiency
10 CFR Part 431-2016 (DOE 2016)
Special features
Primary MCCB LGE3600FAGC
Weathershield
WS68
Commercial Distribution, Transformers, Volume 2, Tab 2
Eaton Specification Sheet - RV48M28B4916CUPBSB
Feature: Integrated primary MCCB (LGE3600FAGC) eliminates the need for a separate protective device, reducing wiring complexity and miscoordination risk. Business impact: faster, safer installations with lower labor costs. Application: panel feeders and machine upgrades where space is at a premium. Feature: 150 kVA three-phase transformer with copper windings and 480 V primary feed to 208Y/120 V secondary. Business impact: reliable voltage conversion with low resistive losses, improving overall system efficiency. Application: plant power distribution at manufacturing lines and data centers. Feature: 60 Hz operation and 80 °C rise with a NEMA 2 enclosure. Business impact: robust performance in indoor environments while meeting safety codes. Application: indoor switchgear rooms and service bays requiring rugged protection. Feature: DOE 2016 Efficient and 10 CFR Part 431 compliance. Business impact: energy cost reductions over the life of the asset and alignment with regulatory programs. Application: facilities pursuing energy efficiency goals and utility incentives. Feature: Tap changer options (2 at +2.5%, 4 at -2.5%) and 280BPBSB wiring connection. Business impact: flexible voltage adjustments to match load profiles and simple field wiring. Application: sites with variable loading or future capacity upgrades. These capabilities address common objections about separate protection and transformer assemblies by delivering a compact, compliant, and future-ready power solution.
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FAQs
The RV48M28B4916CUPBSB is designed for floor mounting with a NEMA 2 enclosure and uses a 280BPBSB wiring connection. It provides 480 V primary and 208Y/120 V secondary, 60 Hz operation, and an integrated primary MCCB (LGE3600FAGC). Ensure alignment of tap settings (+2.5% or -2.5%) with load requirements and verify UL Listed and DOE 2016 Efficient compliance during commissioning.
The unit delivers 150 kVA, three-phase performance at 60 Hz with a 480 V primary and 208Y/120 V secondary. It features copper windings and an 80 °C rise, plus DOE 2016 Efficient (10 CFR Part 431) compliance for energy savings. These specs support reliable distribution while helping meet efficiency targets in regulated facilities.
Yes, the RV48M28B4916CUPBSB is intended for 480 V three-phase systems. It includes an integrated primary MCCB (LGE3600FAGC) for protection coordination, a NEMA 2 indoor enclosure, and copper windings. The unit is designed for straightforward wiring, with a 280BPBSB connection and adjustable taps (+2.5% and -2.5%) to support load matching.
This transformer is UL Listed, with DOE 2016 Efficient (10 CFR Part 431) compliance noted in catalog notes. The combination of UL certification, energy-efficiency standards, and a NEMA 2 enclosure helps ensure safe operation, regulatory alignment, and eligibility for energy programs in commercial and industrial facilities.
The unit is floor-mounted with dimensions of 33.7 in (length/depth) by 68.54 in (height) by 38 in (width). This compact footprint, combined with an integrated MCCB and ventilated cooling, reduces separate components and wiring, making it suitable for utility rooms, machine banks, and retrofit projects where floor space is at a premium.