Eaton RV48M28B7516CUSB Breaker Transformer - UL Listed
Part Number: RV48M28B7516CUSB
Quick Summary
Eaton RV48M28B7516CUSB is a breaker-integrated ventilated transformer for three-phase power distribution. Engineers face crowded panels, space constraints, and the burden of energy efficiency and regulatory compliance; this solution helps reduce footprint while maintaining performance. The unit carries UL Listed and DOE 2016 Efficient certifications, with an 80 °C rise rating and copper windings that support reliable operation under demanding loads. A compact footprint, floor mounting, and an integrated MCCB simplify installation and service, lowering installation time and total cost of ownership. In practice, it translates to safer, more efficient power distribution and improved panel density in control rooms and motor starter enclosures.
Product Information
Extended Description
RV48M28B7516CUSB Eaton: 75 kVA BRKR INTEG XFMR 3PH 480-208Y/120 80C Rise Copper LGE3300FAGC Sec MCCB 943SD 280BSB
Product Name
Eaton Breaker integrated ventilated transformer
Catalog Number
RV48M28B7516CUSB
UPC
786680246777
Product Length/Depth
31.5 in
Product Height
59.52 in
Product Width
34.5 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
943SD
Insulation
273 °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
75 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
Secondary MCCB LGE3300FAGC
Weathershield
WS67
Feature integrated breaker and ventilated transformer → Business Impact reduces wiring complexity and panel space, enabling faster installation and easier maintenance; Application ideal for control panels and motor control centers. Feature 75 kVA rating with 480 V primary and 208Y/120 V secondary → Business Impact supports common industrial loads with minimal voltage drop, improving reliability and reducing harmonics; Application suitable for machine rooms and line-start applications. Feature copper windings and 80 °C rise insulation → Business Impact lowers I2R losses and improves thermal tolerance under peak loads; Application in high-duty, continuous-duty environments. Feature NEMA 2 enclosure with Weathershield WS67 and floor mounting → Business Impact offers durable protection in moderate environments and straightforward installation in floor-mounted setups; Application in service bays and industrial floors. Feature adjustable taps 2 at +2.5% and 4 at -2.5% → Business Impact enables voltage correction without extra components, reducing spare parts and downtime; Application where incoming voltage fluctuates. Feature DOE 2016 Efficient and UL Listed certifications → Business Impact ensures regulatory compliance, energy efficiency, and safer operation; Application across regulated facilities and mission-critical panels.
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FAQs
Installation is simplified by its floor-mount design and NEMA 2 enclosure with a compact footprint. The unit's dimensions—31.5 in deep, 59.52 in tall, and 34.5 in wide—facilitate layout planning in tight control rooms. Ensure adequate clearance for ventilation, connect to the 480 V primary supply and 208Y/120 V secondary circuits, and integrate the built-in MCCB (LGE3300FAGC) for immediate protection. Proper torque on 280BSB wiring connections and adherence to electrical codes are essential for reliable operation and serviceability.
The RV48M28B7516CUSB supports a 75 kVA three-phase load with a 480 V primary and 208Y/120 V secondary at 60 Hz. Tap settings are 2 taps at +2.5% and 4 taps at -2.5%, enabling voltage adjustment under fluctuating supply conditions. Copper windings with 273 °C insulation and an 80 °C rise rating ensure robust performance in demanding industrial environments and motor-start applications.
Yes. The transformer is UL Listed and DOE 2016 Efficient, with catalog notes referencing 10 CFR Part 431 (2016) Efficient. These certifications support regulatory compliance, reduced energy waste, and safer operation in commercial and industrial facilities, while also aligning with procurement specifications that prioritize efficiency and safety.
This unit is well-suited for control panels, motor control centers, and machine rooms requiring a compact, high-performance transformer with integrated protection. The 75 kVA rating supports moderate-to-heavy loads, and the integrated breaker reduces enclosure footprint and wiring complexity, enabling higher panel density and faster deployment in new builds or retrofit projects.
Leverage the integrated MCCB and copper windings to minimize overheating and simplify servicing. With UL Listing and DOE efficiency, routine checks focus on connection integrity, cooling paths, and enclosure seals. The voltage-tap adjustments allow on-site voltage optimization without replacing components, reducing spare parts expenditure and downtime while maintaining compliance with energy-efficiency standards.