Eaton MB1224B100BTS Residential Meter Breaker - UL Listed
Part Number: MB1224B100BTS
Quick Summary
MB1224B100BTS is a residential meter breaker that protects home electrical service during overloads. Installers often struggle with space constraints and compatibility in meter-main assemblies. UL Listed and MEG utility approvals accompany this unit, supporting code compliance and project acceptance. Designed for ease of installation, it integrates a BR2100 main and BR breakers in a single enclosure. With a robust 10-year warranty and NEMA 3R rating, it delivers reliable service for residential and multi-dwelling installations. This all-in-one solution reduces cabinet depth, simplifies wiring, minimizes fault-prone connections, and improves maintenance planning for electrical contractors and facility managers. Its compatibility with BR-Series breakers ensures seamless upgrades and ongoing availability of spare parts.
Product Information
Extended Description
MB1224B100BTS Eaton: Eaton Type BR RESI Meter Breaker, BR2100 main brkr, 100A, 120/240V, Ringless, 12 spaces,24 circuits, 10 kAIC, Surface mounting, Box size A, Aluminum bus, OH/UG feed, 4-jaws, 1 socket, #6-250 kcmil line, #14-2/0 AWG grnd, MEG App
Product Name
Eaton residential meter breaker
Catalog Number
MB1224B100BTS
UPC
786680219221
Product Length/Depth
14.31 in
Product Height
25.5 in
Product Width
5.06 in
Product Weight
34 lb
Warranty
10 year
Certifications
UL Listed
Type
All-in-ones
Utility approvals
FL : MEG (Duke Energy, Florida Power, Tampa Electric, Gulf Power, Oklahoma Gas and Electric) IN : MEG (Duke Energy, Florida Power, Tampa Electric, Gulf Power, Oklahoma Gas and Electric) KY : MEG (Duke Energy, Florida Power, Tampa Electric, Gulf Power, Oklahoma Gas and Electric) NC : MEG (Duke Energy, Florida Power, Tampa Electric, Gulf Power, Oklahoma Gas and Electric) OH : MEG (Duke Energy, Florida Power, Tampa Electric, Gulf Power, Oklahoma Gas and Electric) SC : MEG (Duke Energy, Florida Power, Tampa Electric, Gulf Power, Oklahoma Gas and Electric)
Interrupt rating
10 kAIC
Box size
A
Enclosure
NEMA 3R
Ground
#14-2/0 AWG
Voltage rating
120/240 V
Number of sockets
1
Phase
Single-phase
Used with
Type BR breakers
Number of circuits
24
Bus material
Aluminum
Feed type
Top/bottom
Main circuit breaker
BR2100
Number of jaws
Four-jaw
All-in-one meter-main integration delivers a compact, space-saving solution that reduces cabinet depth and wiring complexity, translating into faster field installs and lower labor costs. Business impact: accelerated project timelines and improved site safety from fewer terminations. Application: ideal for new builds and retrofit upgrades in single-family homes and small multi-dwelling projects. Durability and protection are delivered by a 10 kAIC interrupt rating and a NEMA 3R enclosure, ensuring reliable fault containment and outdoor suitability. Business impact: enhanced system reliability and lower service interruptions, especially in outdoor installations. Application: outdoor meter-main assemblies with top/bottom feed and surface mounting in varied environments. Installation flexibility is strengthened by an aluminum bus, four-jaw design, and 12-space/24-circuit layout, enabling straightforward wire routing and component sourcing. Business impact: reduced inventory complexity and faster commissioning for distributors and contractors. Application: BR RESI installations requiring BR2100 main compatibility and seamless BR-series expansion. A 100 A main breaker combination supports scalable service upgrades with MEG utility approvals, aiding regulatory compliance and project acceptance. Business impact: smoother permit approvals and long-term maintenance planning. Application: regulated utility service upgrades and residential modernization projects.
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FAQs
MB1224B100BTS is designed to integrate with Eaton Type BR RESI meters and BR2100 main breakers. Begin by confirming the panel is rated for 120/240 V single-phase service, then align the BR2100 main with the 12-space/24-circuit interior. Use the top/bottom feed provisions, secure the aluminum bus, and ensure proper grounding with #14-2/0 AWG as specified. Following the manufacturer’s wiring diagram reduces installation errors and improves service reliability.
Key specs include 100 A main, 120/240 V, single-phase, 24 circuits across 12 spaces, 10 kAIC interrupt rating, aluminum bus, four-jaw construction, surface mounting, and a NEMA 3R enclosure. It uses a BR2100 main and is compatible with BR-series breakers. The unit supports top or bottom feed and provides a UL Listed certification for code compliance.
Yes. MB1224B100BTS carries MEG utility approvals, which aligns with Duke Energy, Florida Power, Tampa Electric, and other MEG-participating utilities. This simplifies utility coordination and project acceptance in states where MEG approval is recognized, improving permit readiness and reducing back-end approval timelines.
The unit is UL Listed, confirming compliance with recognized safety standards. It features a 10 kAIC interrupt rating for robust fault protection, a NEMA 3R enclosure for weather resistance, and aluminum bus construction for lightweight durability. These certifications and protections help ensure safe operation in residential service equipment and outdoor installations.
With a 10-year warranty, MB1224B100BTS reduces total cost of ownership by limiting replacement cycles and repair downtime. Its all-in-one design minimizes wiring complexity, and its compatibility with BR-series breakers simplifies spare parts availability. Regular inspections focusing on connections and grounding maintain peak performance and service continuity for homeowners and property managers.