Eaton U224 MTB/150A Meter Breaker - 10 kAIC UL Listed
Part Number: U224 MTB/150A
Quick Summary
The Eaton U224 MTB/150A meter breaker protects utility metering and main distribution panels by safely interrupting fault currents. Designed for quick, reliable installation, it minimizes downtime with a robust 200 A rating, a 10 kAIC interrupt capacity, and a single 1Ø/3W configuration built into a rugged unit. UL-listed and EUSERC approved, the device uses galvanized steel with ANSI 61 gray paint for durable service in harsh environments, while its surface-mount design simplifies retrofits in B-Line meter mounting equipment. This model supports #6-250 MCM conductors and offers dependable ring or ringless socket connections, delivering predictable utility metering performance for contractors and facility engineers.
Product Information
Extended Description
U224 MTB/150A Eaton: Eaton B-Line series meter breakers, 200 A, Test block, # 6-250 MCM, MCB, 4 jaws, 1 Position, Ring, 3R, Z3614, 10 kAIC, Galvanized steel, Surface mount, 1Ø/3W
Product Name
Eaton B-Line series meter breakers
Catalog Number
U224 MTB/150A
UPC
782051591460
Product Length/Depth
6 in
Product Height
30 in
Product Width
22 in
Product Weight
58 lb
Compliances
EUSERC Approved
Certifications
UL
Amperage rating
200 A
Interrupt rating
10 kAIC
Material
Galvanized steel
Finish
ANSI 61 gray paint Mill-galvanized
continuous rating meter socket jaws
continuous rating meter socket jaws
Eaton Specification Sheet - U224 MTB/150A
Feature: High current rating and 10 kAIC interrupt capability. Business Impact: Provides robust fault clearance, reducing equipment damage and improving personnel safety in main service and meter socket applications. Application: Ideal for 200 A services in commercial and light industrial metering installations where uptime and protection matter. Feature: Rugged galvanized steel body with ANSI 61 gray finish. Business Impact: Enhances durability and corrosion resistance, lowering maintenance costs and replacement cycles in harsh environments. Application: Suitable for surface-mount installations in B-Line meter mounting equipment where long service life is critical. Feature: 1Ø/3W configuration with 4 jaws and 1 position, ring/ringless capability. Business Impact: Simplifies wiring options and reduces field wiring errors, enabling flexible metering connections for various utility sockets. Application: Perfect for single-phase metering setups requiring reliable socket connectivity and quick field adaptation. Feature: Conductors range and jaw design supporting #6-250 MCM. Business Impact: Enables high-capacity feeder connections without crowding, improving overall assembly efficiency and reducing termination time. Application: Utility and commercial metering where large conductor sizes are common. Feature: UL-listed and EUSERC approved. Business Impact: Ensures compliance with national electrical codes and utility interconnection standards, accelerating approvals and project timelines. Application: Essential for regulatory compliance in metering installations and utility-grade protection. Feature: Available in B-Line series ecosystem with compatible catalogs and datasheets. Business Impact: Streamlines procurement, design validation, and maintenance planning, reducing project risk. Application: Ideal for integration with Eaton’s meter socket products and related accessories.
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FAQs
Power should be disconnected before installation. Mount the unit in the compatible B-Line meter mounting equipment, connect conductors within the #6-250 MCM range to the 4-jaw sockets, and ensure a 1Ø/3W configuration. Verify proper ring or ringless socket arrangement and secure the unit for surface-mount operation. Always follow Eaton’s specification sheet and local code requirements.
10 kAIC indicates the maximum interrupt current the breaker can reliably interrupt without damage. This rating supports safe fault clearing in typical utility service environments, helping to protect downstream equipment and reduce risk during short-circuit events. It also informs coordination with upstream protection devices and system design decisions.
Yes. The U224 MTB/150A is designed for Eaton’s B-Line series meter mounting ecosystem, featuring surface-mount capability and connections suitable for 1Ø/3W metering. The unit supports ring and ringless configurations with 4 jaws, making retrofits and new installations straightforward in common meter socket arrangements.
The breaker is UL-listed and EUSERC approved, signaling compliance with relevant U.S. electrical codes and utility interconnection standards. This reduces regulatory risk, streamlines utility approvals, and enhances project confidence in performance, safety, and reliability within metering and main distribution applications.
Leverage its galvanised steel construction and ANSI 61 gray finish for long-term corrosion resistance and reduced maintenance. The device’s compatibility with standard meter sockets and large conductor connections minimizes termination time. Documentation and availability of catalogs and datasheets support design validation and planned maintenance, delivering predictable lifecycle costs and uptime improvements.