Eaton U214 MTB MS43 Meter Breakers - UL Listed 10 kAIC

Part Number: U214 MTB MS43
Eaton logo
Manufacturer
Eaton
Part number
U214 MTB MS43

Quick Summary

Eaton U214 MTB MS43 meter breakers deliver reliable 100 A protection for utility meters in commercial and industrial panels. This unit simplifies installation with a 4‑jaw, surface‑mount design and a rings/3R enclosure suitable for 1Ø/3W service feeds. The U214 MTB MS43 addresses field challenges such as mismatched jaw ratings and space constraints by providing a compact, robust assembly that accepts #14‑2/0 conductors with a test block for commissioning. With UL listing and EUSERC compliance, plus a 10 kAIC interrupt rating, the unit supports safety and regulatory adherence in metering layouts. In practice, it speeds installation, reduces commissioning rework, and lowers lifecycle costs across electrical distribution projects.

Product Information

Extended Description

U214 MTB MS43 Eaton: Eaton B-Line series meter breakers, 100 A, Test block, # 14-2/0, MCB, 4 jaw, 1 Position, Ring, 3R, Z3614, 10 kAIC, Galvanized steel, Surface mount, 1Ø/3W
Product Name
Eaton B-Line series meter breakers
Catalog Number
U214 MTB MS43
UPC
782051480825
Product Length/Depth
4.625 in
Product Height
24 in
Product Width
18 in
Product Weight
35 lb
Compliances
EUSERC Approved
Certifications
UL
Amperage rating
100 A
Interrupt rating
10 kAIC
Material
Galvanized steel
Finish
ANSI 61 gray paint Mill-galvanized
Feature 1: 100 A protection with a 10 kAIC interrupt rating is designed to tolerate high fault currents in utility service feeds, improving system reliability and safeguarding meters and downstream equipment. Business impact: enhanced safety margins and reduced outage risk for critical metering installations. Application: commercial and industrial meter socket circuits where fault current can exceed thousands of amps. Feature 2: 4‑jaw, 1 position design with a test block simplifies conductor terminations and commissioning checks, reducing field labor time and the chance of termination errors. Application: quick field installation in B‑Line series metering assemblies. Feature 3: Galvanized steel construction with ANSI 61 gray paint finish provides durable corrosion resistance for indoor and protected outdoor environments, while surface mount and 3R enclosure support versatile mounting in compact spaces. Application: robust metering enclosures in harsh industrial settings. Feature 4: UL listing and EUSERC approval help streamline utility approvals and compliance documentation, lowering project risk and accelerating procurement. Application: utility‑driven metering projects and panel builds. Feature 5: Physical footprint of 4.625 in length, 18 in width, and 24 in height with a 35 lb weight supports predictable space planning and inventory control. Application: design‑stage layout and field deployment in constrained equipment rooms. Feature 6: Part of Eaton’s B‑Line meter mounting ecosystem, ensuring compatibility with existing sockets, rings, and accessories for scalable metering solutions. Application: standardized metering across multi‑panel facilities and retrofit programs.

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FAQs

Yes. The U214 MTB MS43 is designed for 1Ø/3W service and fits Eaton B‑Line meter socket configurations. It accepts conductors up to #14‑2/0, uses a 4‑jaw, 1‑position mounting, and includes a test block to facilitate commissioning. The enclosure supports 3R mounting, helping installers align with standard B‑Line layouts.
The unit provides 100 A amperage rating with a 10 kAIC interrupt rating. It is UL listed and EUSERC approved, ensuring compliance for utility metering installations. The combination supports high fault current conditions while maintaining safe, reliable operation within meter sockets and distribution panels.
The meter breaker uses galvanized steel construction with an ANSI 61 gray finish and a 3R enclosure, which is appropriate for indoor and protected outdoor applications. When installed in a suitable enclosure, it can withstand typical industrial conditions, delivering durable, long‑term metering performance.
U214 MTB MS43 carries UL certification and EUSERC approval. UL listing confirms electrical safety and performance to recognized standards, while EUSERC approval streamlines utility acceptance and project sign‑offs. Together, these certifications reduce procurement risk and support regulatory compliance in metering projects.
Choosing the U214 MTB MS43 reduces field rework thanks to its integrated test block and straightforward terminations, accelerating commissioning. Its 100 A/10 kAIC rating provides robust protection, lowering upgrade costs due to fault events, while compatibility with Eaton B‑Line components simplifies stocking and design standardization across multiple panels and sites.