Eaton MB816B150STD Residential Meter Breaker - UL Listed
Part Number: MB816B150STD
Quick Summary
Eaton residential meter breaker MB816B150STD provides integrated metering and protection for residential service panels. This all-in-one unit helps streamline installation by combining metering, disconnect, and branch circuit protection in a single enclosure. For engineers upgrading service entrances, space constraints and code compliance are common pain points; MB816B150STD is designed to simplify mounting and wiring while maintaining robust safety margins. The product carries UL Listed certification and supports a NEMA 3R enclosure for outdoor durability, along with a 22 kAIC interrupt rating for reliable fault clearance. With 120/240 V operation, aluminum bus, top and bottom feed, and surface mounting, it delivers practical value for residential metering projects while aligning with metering product standards and service reliability.
Product Information
Extended Description
MB816B150STD Eaton: Eaton resi meter breaker, All-in-ones, 150A, C, Aluminum, NEMA 3R, Bottom and top, #6-300 kcm10 kAIC, #6-300 kcmBW2150, Surface mounting, 16, Five-jaw, 1, 8, Single-phase, Ringless, 120/240 Vac, Horn bypass
Product Name
Eaton residential meter breaker
Catalog Number
MB816B150STD
UPC
782116199624
Product Length/Depth
5.38 in
Product Height
36.63 in
Product Width
14.44 in
Product Weight
1 lb
Warranty
10 year
Certifications
UL Listed
Type
All-in-ones
Interrupt rating
22 kAIC
Box size
C
Enclosure
NEMA 3R
Ground
#6-300 kcmil
Voltage rating
120/240 V
Number of sockets
1
Phase
Single-phase
Bypass
Horn
Number of circuits
16
Bus material
Aluminum
Feed type
Top/bottom
Main circuit breaker
BW2150
Number of jaws
Five-jaw
Residential and Light Commercial, Metering Products, Volume 1 Tab 4
Eaton Specification Sheet - MB816B150STD
Feature: All-in-one meter breaker design combines metering, protection, and service disconnect in a single enclosure. Business Impact: Reduces panel footprint, minimizes wiring complexity, and speeds up installation. Application: Ideal for new residential service entrances and retrofit metering where space and labor savings are critical. Feature: 150A continuous rating with 22 kAIC interrupt capability. Business Impact: Enhances fault clearance capacity for typical residential feeders, improving safety margins and compliance. Application: Suitable for main service sections in single-family homes and light commercial setups seeking robust fault protection. Feature: NEMA 3R outdoor-rated enclosure with surface mounting and top/bottom feed. Business Impact: Delivers weather-resistant, durable operation with flexible mounting options, lowering field adaptation costs. Application: Outdoor or exposed installations, such as meter bases and exterior service panels, where reliability matters. Feature: Aluminum bus and five-jaw terminal design supporting #6-300 kcmil grounding. Business Impact: Ensures strong, low-impedance connections for large conductors, reducing maintenance and reliability risks. Application: Main grounding and large-feeder metering applications in residential and light commercial projects. Feature: Horn bypass capability and 16 circuits with single-phase operation. Business Impact: Simplifies testing, bypass workflows, and expands metering capacity without added hardware. Application: Multifunction metering in mid-size panels where rapid service restoration is important. Feature: UL Listed certification and 10-year warranty. Business Impact: Provides procurement confidence, regulatory compliance, and long-term cost-of-ownership savings. Application: Procurement for code-compliant, resi-metering installations and maintenance plans that require dependable warranties.
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FAQs
MB816B150STD supports top and bottom feed configurations and is rated for 16 circuits in a single-phase, 120/240 V system. This makes it suitable for common residential service upgrades or new meter-main installations. The five-jaw aluminum bus provides solid, code-compliant connections, simplifying wiring layouts and reducing install time while preserving space efficiency in the enclosure.
Key specs include a 150 A current rating, 22 kAIC interrupt rating, 120/240 V voltage rating, single-phase configuration, aluminum bus, and a NEMA 3R enclosure. It is an all-in-one meter breaker with 16 circuits, horn bypass, and a BW2150 main circuit breaker reference. These specs support reliable protection, flexibility in wiring, and suitability for outdoor service applications.
Yes. The MB816B150STD features a NEMA 3R enclosure designed for outdoor or semi-exposed environments, when installed correctly with appropriate mounting. Its UL Listed certification further verifies compliance for outdoor metering products. The horn bypass and top/bottom feed options add practical value for service upgrades in exterior meter bases and residential panels.
MB816B150STD is UL Listed and built to meet residential metering product standards, with a robust 22 kAIC interrupt rating and 120/240 V operation. The NEMA 3R enclosure and aluminum bus design support code-compliant installations in many jurisdictions. When paired with compatible BW2150 main protection, it helps ensure safe, compliant service panel upgrades.
Selecting MB816B150STD offers lifecycle advantages: an integrated meter breaker reduces parts count and installation time, a 10-year warranty lowers maintenance risk, and UL/NEMA-rated durability supports outdoor use without frequent replacement. The single-unit approach also minimizes wiring errors and ensures reliable fault protection, delivering lower total cost of ownership over the system’s life.