Eaton CMB1212L200BTS Residential Meter Breaker - UL Listed
Part Number: CMB1212L200BTS
Quick Summary
Residential Meter Breaker is a compact, all-in-one protection device for residential electrical panels, combining metering and overcurrent protection. Engineers and electricians often wrestle with space constraints, wiring complexity, and mounting compatibility when retrofitting metering into existing panels. UL Listed, NEMA 3R enclosure, and compatibility with Type CH breakers provide compliance, weather resistance, and seamless integration with residential service equipment. From a procurement perspective, the module simplifies billable install time and reduces stocking needs by covering metering and protection in one unit. For design teams, the copper bus, four-jaw lugs, and top/bottom feed options streamline field wiring and service upgrades, boosting reliability and uptime.
Product Information
Extended Description
CMB1212L200BTS Eaton: Eaton resi meter breaker, All-in-ones, 200 A, C, Copper, NEMA 3R, Bottom and top, #6-350 kcm#6-350 kcmMain lugs, Surface mounting, 12, Four-jaw, 1, 12, Single-phase, Ringless, TN, Type CH breakers, 120/240 Vac
Product Name
Eaton residential meter breaker
Catalog Number
CMB1212L200BTS
UPC
782114848753
Product Length/Depth
5.38 in
Product Height
25 in
Product Width
14.44 in
Product Weight
24.69 lb
Warranty
Limited lifetime
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) 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) FL : Tallahassee City Electric
Interrupt rating
10 kAIC
Box size
C
Enclosure
NEMA 3R
Ground
#6-350 kcmil
Voltage rating
120/240 V
Number of sockets
1
Phase
Single-phase
Used with
Type CH breakers
Number of circuits
12
Bus material
Copper
Feed type
Top/bottom
Number of jaws
Four-jaw
Residential and Light Commercial, Metering Products, Volume 1 Tab 4
965495
Eaton Specification Sheet - CMB1212L200BTS
All-in-one metering and protection reduces installation steps and frees panel space, cutting on-site labor and wiring errors. This consolidation translates to faster project timelines and lower field wiring risk for residential installs. In residential metering projects, the compact footprint and surface-mount capability support clean aesthetics and easier future upgrades. With a 200 A main rating and 12 circuits, the unit supports standard residential service needs while leaving headroom for future load growth. Copper bus and four-jaw lugs deliver solid, low-resistance connections that resist loosening under vibration and temperature cycling. The top/bottom feed option provides wiring flexibility to match existing panel configurations, reducing modification time during installation. NEMA 3R enclosure provides weather resistance for outdoor or damp locations, aligning with common service-entry installations. A 10 kAIC interrupt rating enhances fault interruption capability, improving safety margins during short circuits and coordinating with downstream protection devices. The UL Listed status, along with recognized utility approvals in multiple regions, supports regulatory compliance and project acceptance. Compatibility with Type CH breakers ensures consistent protection and simplifies stocking of compatible components across sites. The unit's 1 socket and 12 circuits offer scalable metering for multi-family dwellings or multi-meter zones within a single service. Surface mounting and compact dimensions reduce enclosure depth requirements, enabling easier retrofits into crowded electrical rooms. From a maintenance perspective, the limited lifetime warranty provides long-term value and predictable replacement costs. Fewer separate devices mean lower spare parts inventory and simplified training for field technicians. Overall, the Eaton CMB1212L200BTS delivers reliable metering capabilities, streamlined installation, and compliant performance for modern residential power systems.
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FAQs
To install the CMB1212L200BTS, plan for surface mounting with top or bottom feed and a 12‑circuit layout. Ensure panel space and clearance around the NEMA 3R enclosure, secure four-jaw copper bus connections, and torque ground lugs up to manufacturer specifications. Verify compatibility with Eaton Type CH breakers and follow NEC guidelines for service equipment installations.
The 10 kAIC interrupt rating indicates the maximum fault current the breaker can interrupt at its terminals without hazard. This improves safety by preventing arcing and damage in common fault scenarios and supports coordination with downstream protection devices to limit energy transfer to sensitive equipment. For residential planners, this rating provides a margin for future expansion and utility fault conditions.
Yes, the NEMA 3R enclosure is designed for outdoor and damp locations, protecting internal components from moisture and dust. The UL Listed designation confirms compliance with established safety standards, while the top/bottom feed and copper bus ensure reliable connections in challenging service entries. For installations near weather exposure, this unit helps maintain performance without additional enclosure.
This meter breaker carries UL Listed certification and is listed for multiple utility approvals described in the product data, including various MEG and AEP regions. With a 120/240 V single-phase rating and Type CH compatibility, it aligns with industry metering product standards. These certifications ease utility interconnection and reduce project risk during commissioning.
Consolidating metering and protection into a single enclosure reduces spare parts, minimizes installation steps, and shortens commissioning time, delivering faster project turnover and lower lifecycle costs. The limited lifetime warranty provides long-term protection, while fewer components mean easier maintenance and fewer failure points across fleet deployments. This translates into improved uptime and predictable budgeting for facilities teams.