Eaton LGX4250FAG Complete Series G MCCB - UL Listed
Part Number: LGX4250FAG
Quick Summary
Eaton LGX4250FAG is a complete molded case circuit breaker designed to protect power distribution in industrial control panels. Engineers often contend with nuisance trips, space constraints, and downtime when protection devices aren’t tuned to load profiles. This model carries UL Listed, CE Marked, and CSA certified ratings, ensuring global compliance and safety. With a 250 A rating, a four-pole LG frame, and HACR-rated operation, it supports reliable, selective protection. The design aligns with metric mounting hardware and fixed thermal, adjustable magnetic trip to streamline installation, commissioning, and future expansion, delivering long-term value for control panels and motor control centers.
Product Information
Extended Description
LGX4250FAG Eaton: Series G MCCB: LG Frame, 250A, Four-pole, neutral 0% protected, 200 kAIC at 240V, 200 kAIC at 415V, 200 kAIC at 480V, 65 kAIC at 600V, Line/load standard w/ metric mounting hardware, Fixed thermal, adj. magnetic
Product Name
Eaton Series G complete molded case circuit breaker
Catalog Number
LGX4250FAG
UPC
786685183688
Product Length/Depth
4.09 in
Product Height
7.22 in
Product Width
7.22 in
Product Weight
20 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.
Compliances
CE Marked
Certifications
IEC Rated CSA Certified UL Listed
Catalog Notes
LG breaker is HACR rated
Type
Complete breaker
Amperage Rating
250 A
Trip Type
T185
Circuit breaker type
LG
Circuit breaker frame type
Complete breaker
Rating
80% rated
Series
Series G
Terminals
Line and load
Frame
LG
Frequency rating
50 to 60 Hz
Mounting hardware
Metric
Interrupt rating
65 kAIC at 600 Vac 200 kAIC at 240/480 Vac
Number of poles
Four-pole
Application of Multi-Wire Terminals for Molded Case Circuit Breakers
Application of Multi-Wire Terminals for Molded Case Circuit Breakers
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
High performance operating handles for Series G circuit breakers product aid
Breaker service centers
Circuit Protection, Molded Case Circuit Breakers, Volume 4, Tab 2
MOEM MCCB product selection guide
MOEM MCCB product selection guide
MOEM MCCB product selection guide
Feature → Business Impact → Application: The LGX4250FAG delivers a 250 A amperage rating on a four-pole LG frame, with a 0% neutral protection configuration, enabling precise load segregation and safer panel operation in high-density control cabinets. This translates to improved plant uptime and reduced nuisance trips in automated lines, ideal for motor control centers and distributed power blocks. Feature → Business Impact → Application: With 200 kAIC interrupt ratings at 240, 415, and 480 V and 65 kAIC at 600 V, this MCCB handles high fault currents, minimizing arc flash risk and equipment damage during faults. Application: sheet metal CNCs, presses, and heavy machinery where robust fault current management is required. Feature → Business Impact → Application: Fixed thermal with an adjustable magnetic trip (T185) provides precise coordination and selectivity, reducing over-tripping and enabling smoother startup sequences for motors and conveyors. Application: HVAC, water treatment, and process lines requiring controlled motor protection. Feature → Business Impact → Application: Metric mounting hardware simplifies panel integration and interchangeability with existing Series G installations, reducing installation time and field errors. Application: new builds and panel refurbishments. Feature → Business Impact → Application: UL Listed, CSA Certified, IEC Rated, and CE Marked ensure global compliance and documentation readiness, streamlining procurement for multinational projects. Application: export-ready assemblies and regulated facilities. Feature → Business Impact → Application: HACR-rated operation reinforces energy efficiency and safer operation in residential-adjacent commercial spaces and industrial automation environments. Application: control cabinets and switchgear housings.
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FAQs
LGX4250FAG uses metric mounting hardware and line/load terminals, which simplifies installation into standard Series G panels. The four-pole design aligns with LG frames, enabling clean, organized wiring and reliable connection for improved coordination and reduced installation errors in control cabinets.
The breaker provides 200 kAIC interrupt ratings at 240/480/415 V and 65 kAIC at 600 V, allowing robust fault current handling in diverse motor-driven applications. This supports safer motor startups, minimized arcing, and better protection of feeders and MCC sections in manufacturing lines.
Yes. The LGX4250FAG is UL Listed, CSA Certified, IEC Rated, and CE Marked, ensuring broad regulatory compliance. This helps procurement teams meet international installation requirements and streamlines documentation for audits and customer specifications.
Operated as fixed thermal with adjustable magnetic trip (T185), the breaker benefits from proper calibration during commissioning, periodic torque checks on mounting hardware, and routine inspection of line/load connections. Following Eaton’s service policy and standard MCCB maintenance reduces nuisance trips and extends service life in demanding environments.
By delivering high fault-current tolerance, precise coordination, and global certifications, the LGX4250FAG reduces downtime and maintenance costs while improving safety and compliance. Its metric mounting and reliable HACR-rated operation support longer service intervals and easier panel upgrades, delivering tangible TCO benefits in large-scale automation projects.