Eaton MBT48B125BTSBL Residential Meter Breaker - UL Listed
Part Number: MBT48B125BTSBL
Quick Summary
Eaton residential meter breaker powers a combined meter service disconnect and branch protection in single-phase residential panels. This compact all-in-one design addresses the common pain point of bulky, separate meter and protector assemblies that slow installation and complicate upgrades. UL Listed certification plus a rugged NEMA 3R enclosure ensure reliable outdoor or indoor performance, while supporting utility-grade requirements. With a 125 A rating and a 22 kAIC interrupt capability, this solution reduces parts, speeds commissioning, and enhances safety. The aluminum bus and top/bottom feed design align with modern residential protection strategies and streamline procurement for electrical contractors.
Product Information
Extended Description
MBT48B125BTSBL Eaton: Eaton resi meter breaker, Barrel Lock provision, All-in-ones, 125A, C, Aluminum, NEMA 3R, Bottom and top, #6-300 kcm22 kAIC, #6-300 kcmCSR2150, Surface mounting, 8, Four-jaw, 1, 4, Single-phase, Ringless, TN,120/240 Vac
Product Name
Eaton residential meter breaker
Catalog Number
MBT48B125BTSBL
UPC
786685970929
Product Length/Depth
4.94 in
Product Height
25.5 in
Product Width
14.44 in
Product Weight
36.5 lb
Warranty
10 year
Certifications
UL Listed
Type
All-in-ones
Utility approvals
IN : Indiana Michigan Power (IMP) (AEP East) MI : Indiana Michigan Power (IMP) (AEP East) OH : AEP Ohio (AEP East) TN : Appalachian Power (AEP East) VA : Appalachian Power (AEP East) WV : Appalachian Power (AEP East) IL : Ameren MO : Ameren
Interrupt rating
22 kAIC
Enclosure
NEMA 3R
Amperage Rating
125 A
Phase
Single-phase
Bus material
Aluminum
Feed type
Top/bottom
Feature: All-in-one meter breaker combines meter service disconnect and branch protection. Business Impact: Reduces footprint, simplifies wiring, shortens installation time. Application: Ideal for new residential builds and retrofit projects requiring compact meter mains. Feature: 125 A amperage rating with 22 kAIC interrupt rating. Business Impact: Higher fault protection and improved compliance with utility standards. Application: Suitable for standard residential service entrances and surge-prone environments. Feature: NEMA 3R enclosure for outdoor and damp locations. Business Impact: Enables reliable performance in varied environments, reducing outdoor enclosure accessories. Application: Outdoor meter bases and protected wiring areas. Feature: Aluminum bus, 4-jaw mounting, single-phase, top/bottom feed. Business Impact: Durable, efficient current conduction with flexible installation options; fewer accessory parts. Application: Retrofit and new installation in compact service equipment. Feature: Surface mounting and 10-year warranty. Business Impact: Faster install, lower maintenance costs, long-term ownership value. Application: Service panels in residential facilities requiring durable protection. Feature: Utility approvals and broad compatibility. Business Impact: Eases utility coordination and field acceptance, shortening interconnection timelines. Application: IMP, AEP East utilities and related jurisdictions.
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FAQs
MBT48B125BTSBL is designed for single-phase residential service with top/bottom feed and an aluminum bus. It integrates meter disconnect and protection in one unit and works with Eaton’s MBT family where panel form factor and bus stubs match. Verify utility approvals for your region and confirm space for a 4-jaw mounting and NEMA 3R enclosure in your installation.
The unit provides a 22 kAIC interrupt rating and a 125 A continuous amperage rating, UL Listed for safety and reliability. Its NEMA 3R enclosure supports outdoor/damp locations, making it suitable for exposed meter mains while maintaining protection coordination with downstream devices.
Ideal for residential service entrances and meter mains in single-phase systems. Utility approvals include Indiana Michigan Power (IMP), AEP East jurisdictions like Ohio, Tennessee, Virginia, West Virginia, Illinois, and Missouri, enabling smoother interconnection and inspection in those regions.
The unit supports surface mounting with top and bottom feed for flexible installation, reducing wiring steps and enclosure footprint. It carries a 10-year warranty, providing long-term protection and cost-of-ownership advantages for commercial and residential installers alike.
Documentation is available via Eaton’s specification sheet for MBT48B125BTSBL, which covers the all-in-one design, electrical ratings, enclosure details, and installation guidance to support compliant field deployment.