Eaton U227 MTB/125A Meter Breakers - 10 kAIC UL Listed
Part Number: U227 MTB/125A
Quick Summary
Eaton U227 MTB/125A meter breakers provide robust protection for three-phase, four-wire metering setups in commercial and industrial facilities. This solution helps you prevent costly outages by isolating faults at the source without complex wiring changes. UL-listed and EUSERC-approved, the product aligns with safety and utility-metering requirements, giving procurement teams confidence in compliance. Built for durability, it features galvanized steel construction and a surface-mount footprint, supporting #6-250 MCM conductors and a 200 A rating. With dependable performance and straightforward installations, it supports scalable metering upgrades and reduced downtime across utility interfaces and main distribution paths.
Product Information
Extended Description
U227 MTB/125A Eaton: Eaton B-Line series meter breakers, 200 A, Test block, 7 jaws, 1 Position, Ring, 3R, Z3614, 10 kAIC, Galvanized steel, Surface mount, 3Ø/4W, #6-250 MCM, MCB
Product Name
Eaton B-Line series meter breakers
Catalog Number
U227 MTB/125A
UPC
782051591545
Product Length/Depth
6 in
Product Height
30 in
Product Width
22 in
Product Weight
67 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 - U227 MTB/125A
Feature: 200 A amperage rating paired with a 10 kAIC interrupt rating. Business Impact: Superior short-circuit protection minimizes equipment damage and downtime, reducing maintenance costs and unscheduled outages. Application: Ideal for main feeders and meter socket assemblies in commercial and light industrial buildings, where reliability directly influences uptime and energy management. Feature: UL listing and EUSERC compliance. Business Impact: Ensures adherence to national safety standards and utility requirements, simplifying procurement and installation for regulated projects. Application: Utility metering installations and customer-owned submeters in data centers, hospitals, and shopping centers.Feature: Galvanized steel enclosure with ANSI 61 gray finish. Business Impact: Enhanced corrosion resistance and long-term durability in demanding environments, lowering replacement cycles. Application: Outdoor or semi-exposed electrical rooms where environmental exposure is a consideration.Feature: Conductor compatibility of #6-250 MCM. Business Impact: Flexible feeder connections support diverse system designs and spare parts compatibility, reducing stocking complexity. Application: Main service entrance wiring and meter socket connections in large facilities.Feature: 3Ø/4W configuration with 7 jaws, test block, 1 position, Ring. Business Impact: Streamlined metering connections and reliable commissioning with quick fault isolation. Application: Group metering installations and ring-type meter mounting in commercial panels.Feature: Dimensional footprint 6 in L, 22 in W, 30 in H with a 67 lb weight. Business Impact: Predictable enclosure planning and installation fit, enabling precise panel design and faster on-site setup. Application: Surface-mount meter breaker assemblies in space-constrained electrical rooms.
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FAQs
The U227 MTB/125A is designed for surface-mount installation on meter mounting equipment with a 3Ø/4W configuration. Ensure the enclosure footprint aligns with a 6 in L by 22 in W by 30 in H space and that the feed conductors are within the #6-250 MCM range. Use the 7-jaw, test-block arrangement for secure, code-compliant connections and verify UL/EUSERC compliance for utility metering requirements.
The U227 MTB/125A provides a 10 kAIC interrupt rating and supports #6-250 MCM conductors. This combination delivers robust short-circuit protection for feeders and meters, reducing arc-flash exposure and equipment damage during fault events, while meeting common utility and national standards for distribution equipment used in commercial and industrial sites.
This meter breaker is ideal for commercial buildings, data centers, hospitals, and industrial facilities that require reliable three-phase metering and group metering capabilities. Its 200 A protection rating, rugged galvanized steel enclosure, and UL/EUSERC compliance make it well-suited for sites needing durable, code-compliant metering solutions with straightforward installation.
The U227 MTB/125A carries UL certification and EUSERC compliance, ensuring safety and utility compatibility for metering equipment. These certifications simplify procurement for regulated projects and support acceptance by utility providers that require UL-listed, utility-approved metering components in service upgrades or new installations.
The meter breaker’s durable galvanized steel construction and long service life reduce replacement frequency, while UL/EUSERC compliance minimizes project delays. A stable, reliable protection device lowers downtime, enhances energy-management reliability, and simplifies maintenance planning for facilities with frequent metering changes or expansions.