Eaton LWC4315 Complete MCCB - Four-Pole IEC Rated
Part Number: LWC4315
Quick Summary
The Eaton LWC4315 Complete MCCB provides reliable circuit protection for industrial electrical panels. Designers often struggle with achieving correct protection coordination, minimizing nuisance trips, and simplifying maintenance across evolving systems. This IEC Rated four-pole LWC4315 supports 315A with a 690 Vac and 250 Vdc rating, and delivers 100 kAIC interrupt capability at 415 Vac, enabling robust protection for demanding machinery. With an interchangeable thermal-magnetic trip (T207) and line/load terminals, installation and future upgrades become smoother. As part of the Series C family, it delivers consistent performance across environments, whileUL-listed 100%-rated documentation and IEC compliance help reduce project risk and procurement complexity. This MCCB integrates cleanly with standard enclosures, delivering reliability and value over the equipment lifecycle.
Product Information
Extended Description
LWC4315 Eaton: Eaton Series C complete molded case circuit breaker, L-frame, LWC, Complete breaker, Interchangeable thermal-magnetic trip type, Four-pole, 315A, 690 Vac, 250 Vdc, 100 kAIC at 415 Vac, Line and load, World
Product Name
Eaton Series C complete molded case circuit breaker
Catalog Number
LWC4315
UPC
782116630929
Product Length/Depth
10.75 in
Product Height
11 in
Product Width
10.75 in
Product Weight
0.01 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Certifications
IEC Rated
Amperage Rating
315A
Voltage rating
690 Vac, 250 Vdc
Trip Type
T207
Circuit breaker type
LWC
Circuit breaker frame type
Complete breaker
Terminals
Line and load
Frame
L
Class
World
Interrupt rating
100 kAIC at 415 Vac
Number of poles
Four-pole
UL listed 100%-rated molded case circuit breakers
UL listed 100%-rated molded case circuit breakers
UL listed 100%-rated molded case circuit breakers
Plug-in adapters for molded case circuit breakers product aid
Plug-in adapters for molded case circuit breakers product aid
Plug-in adapters for molded case circuit breakers product aid
Plug-in adapters for molded case circuit breakers product aid
Plug-in adapters for molded case circuit breakers product aid
Plug-in adapters for molded case circuit breakers product aid
Plug-in adapters for molded case circuit breakers product aid
Breaker service centers
Circuit Protection, Molded Case Circuit Breakers, Volume 4, Tab 2
Circuit breakers explained
Circuit breakers explained
Eaton Specification Sheet - LWC4315
Eaton Specification Sheet - LWC4315
Eaton Specification Sheet - LWC4315
Eaton Specification Sheet - LWC4315
Eaton Specification Sheet - LWC4315
Feature → Business Impact → Application: 315A amperage rating with 690 Vac / 250 Vdc capability delivers strong protection for high-demand loads, reducing the likelihood of arc damage and equipment downtime in manufacturing lines and distribution panels. This translates to improved uptime and safer, more predictable operation in industrial facilities. Feature → Business Impact → Application: Four-pole L-frame complete breaker with line and load terminals enables straightforward wiring and modular integration in standard MCCB enclosures, cutting install time and easing future expansions in control panels. Feature → Business Impact → Application: Interchangeable thermal-magnetic trip (T207) provides precise coordination with predictable trip characteristics, minimizing nuisance trips and enabling easier maintenance planning for complex automation environments. Feature → Business Impact → Application: 100 kAIC interrupt rating at 415 Vac offers high fault-current withstand, protecting transformers and feeders in heavy-duty applications while supporting selective tripping in multi-branch panels. Feature → Business Impact → Application: IEC Rated and UL-listed documentation accelerates compliance and procurement, reducing risk for global deployments and speeding up project approvals in industrial facilities. Feature → Business Impact → Application: Compact footprint with a world-class protection profile supports retrofits and new builds alike, allowing engineers to leverage existing spaces without sacrificing protection or performance.
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FAQs
Yes. The LWC4315 is designed as a complete L-frame MCCB with line and load terminals, allowing straightforward mounting in standard MCCB enclosures and enabling easy integration with existing busbar configurations common in industrial control panels.
The LWC4315 features a 100 kAIC interrupt rating at 415 Vac and uses a T207 interchangeable thermal-magnetic trip, enabling precise, coordinated protection across a range of fault currents and load conditions.
Best suited for power distribution panels, manufacturing lines, and equipment enclosures that require reliable protection up to 315 A at 690 Vac or 250 Vdc, with robust fault handling and modular, maintainable protection strategies.
The LWC4315 is IEC Rated and is supported by UL-listed documentation for 100%-rated applications, helping ensure regulatory compliance and code adherence in global installations.
Interchangeable thermal-magnetic trip (T207) simplifies swap/upgrade during maintenance, while the four-pole L-frame design and line/load terminals reduce installation time, contributing to lower total cost of ownership and quicker return on investment.