Eaton U225 MTBH MS45 Meter Breakers - UL Listed
Part Number: U225 MTBH MS45
Quick Summary
Meter breakers from Eaton U225 MTBH MS45 deliver centralized overload protection for commercial and industrial panels. Many engineering teams face tight spaces, complex metering layouts, and costly rework when upgrading older gear. UL-listed and EUSERC-approved, with rugged ANSI 61 gray finish and steel construction, these breakers are built for reliability in 3R enclosures. This model complements low-voltage distribution strategies, delivering efficient installation, space optimization, and straightforward metering integration. Designed to minimize commissioning time, it supports 200 A service ratings, 22 kAIC interrupt capability, and a 1Ø/3W configuration for flexible applications. With UL and EUSERC marks, maintenance teams can streamline audits, reduce downtime, and meet stringent metering standards.
Product Information
Extended Description
U225 MTBH MS45 Eaton: Eaton B-Line series meter breakers, 200 A, Test block, # 6-250 MCM, 5 jaws, 1 Position, Ring, 3R, Z3614, 22 kAIC, Steel, Surface mount, 1Ø/3 W
Product Name
Eaton B-Line series meter breakers
Catalog Number
U225 MTBH MS45
UPC
782051591491
Product Length/Depth
6 in
Product Height
30 in
Product Width
22 in
Product Weight
62 lb
Compliances
EUSERC Approved
Certifications
UL
Amperage rating
200 A
Interrupt rating
22 kAIC
Material
Steel
Finish
ANSI 61 gray paint Mill-galvanized
continuous rating meter socket jaws
continuous rating meter socket jaws
Eaton Specification Sheet - U225 MTBH MS45
Feature → Business Impact → Application: 200 A amperage rating and 22 kAIC interrupt rating provide robust fault handling for critical feeders in large panel boards, reducing nuisance trips and improving system reliability in industrial facilities. Application: suitable for commercial/industrial group metering setups where uptime matters and fault currents are high. Feature → Business Impact → Application: 3R steel enclosure with ANSI 61 gray paint offers weather resistance and long-term durability in demanding environments, decreasing maintenance cycles and total cost of ownership. Application: ideal for surface-mounted installations in utility-adjacent spaces or indoor/outdoor switchgear. Feature → Business Impact → Application: 5 jaws, #6-250 MCM capacity, and 1 Position Ring configuration enable flexible terminations and scalable conductor handling, simplifying field wiring and reducing installation time. Application: supports ring and ringless metering configurations for rapid deployment in new or retrofit metering days. Feature → Business Impact → Application: UL listing and UL/CE-ready style along with EUSERC approval provide regulatory confidence and smoother utility coordination, minimizing project risk. Application: enhances procurement alignment with compliance requirements in commercial buildings and facilities with strict metering standards. Feature → Business Impact → Application: Surface mount compatibility and 6 in depth/22 in width/30 in height footprint enable compact integration into existing panels without substantial enclosure changes. Application: reduces remodels, improves panel density, and accelerates commissioning in tight spaces. Feature → Business Impact → Application: Documentation availability, including continuous rating meter socket jaw catalogs and ring-vs-ringless metering PDFs, supports accurate specification, quoting, and field engineering decisions. Application: shortens procurement cycles and ensures correct accessories are ordered for group metering projects.
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FAQs
The U225 MTBH MS45 provides a continuous 200 A amperage rating with a 22 kAIC interrupt rating. This combination supports demanding feeder protection in commercial and industrial panels, helping minimize fault-related downtime while maintaining regulatory compliance. The unit is UL-listed and designed for robust performance in B-Line meter mounting equipment.
Yes. The unit is specified for meter mounting with up to five jaws and supports 1 Ø / 3 W configurations, including ring and ringless metering setups. Compatibility is reinforced by Eaton’s documentation on continuous rating meter socket jaws and the provided ring-vs-ringless metering guidance, easing field customization and terminations up to #6-250 MCM conductors.
Yes. The U225 MTBH MS45 carries UL certification and EUSERC approval, ensuring compliance with safety and utility coordination standards. These marks simplify inspections, facilitate utility interconnection, and reduce risk during audits, making it suitable for metering installations in regulated commercial and industrial environments.
The model offers surface-mount installation in a rugged 3R steel enclosure with ANSI 61 gray finish, designed for durable field performance. Its dimensions (6 in depth, 22 in width, 30 in height) support compact footprints in tight spaces while providing ample space for conductor terminations (up to #6-250 MCM). This enables faster wiring, easier cable management, and streamlined retrofits.
Eaton provides multiple documents to support selection and installation, including continuous rating meter socket jaws catalogs, a ring vs. ringless metering guide, and a dedicated specification sheet for the U225 MTBH MS45. These resources help confirm compatibility, wiring options, and mounting configurations, accelerating procurement and field engineering workflows.