Eaton LGU4250FAG Complete MCCB - UL Listed, IEC Rated
Part Number: LGU4250FAG
Quick Summary
MCCB Eaton LGU4250FAG is a complete molded case breaker for industrial panel protection and power distribution. Engineers often wrestle with space constraints, wiring complexity, and uncertain trip coordination in motor loads, making reliable protection hard to guarantee. This model is UL Listed, CSA Certified, IEC Rated, and CE Marked to support global compliance. Designed for panel builders and OEMs, it combines a 250 A capacity with an LG frame for scalable protection in demanding environments. With 50/60 Hz operation, an 80% rating, and metric mounting, it helps reduce installed cost while delivering dependable protection across control panels and power distribution blocks.
Product Information
Extended Description
LGU4250FAG Eaton: Eaton Series G molded case circuit breaker, LG-frame, LG, Fixed thermal, adjustable magnetic trip, Four-pole, 250A, 200 kAIC at 240 Vac, 150 kAIC at 480 Vac, 65 kAIC at 600 Vac, Line and load, Metric, 50/60 Hz, 80% rated
Product Name
Eaton Series G complete molded case circuit breaker
Catalog Number
LGU4250FAG
UPC
786685185088
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
UL Listed CSA Certified IEC Rated
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
150 kAIC at 480 Vac 65 kAIC at 600 Vac 200 kAIC at 240 Vac
Number of poles
Four-pole
Application of Tap Rules to Molded Case Breaker Terminals
Application of Tap Rules to Molded Case Breaker Terminals
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: 250 A amperage rating with four-pole LG frame provides robust current handling. Business Impact: Supports larger control circuits and motor loads with consistent protection, lowering nuisance trips and unplanned downtime. Application: Suitable for control panels and industrial power distribution where high continuous load is expected. Feature: Fixed thermal with adjustable magnetic trip (Trip Type T185) enables precise coordination with downstream protection. Business Impact: Improves selective coordination and reduces fault let-through, protecting equipment and reducing downstream damage. Application: Critical in motor starters and process lines where selectivity is essential. Feature: High interrupt ratings (200 kAIC at 240 Vac, 150 kAIC at 480 Vac, 65 kAIC at 600 Vac) and line/load terminals (metric) ensure fast, reliable fault clearance. Business Impact: Enhances safety margins and protects feeders in varied voltages, simplifying supplier compatibility. Application: Industrial feeders and distribution panels operating near rated fault levels. Feature: HACR-rated with UL Listed, CSA Certified, IEC Rated, and CE Marked certifications. Business Impact: Streamlines compliance across international projects and reduces documentation overhead. Application: Global deployments requiring multi-certification protection. Feature: 80% rated and Series G LG frame with metric mounting hardware. Business Impact: Allows compact installations with predictable performance, lowering panel depth and BOM costs. Application: OEM panel builds and retrofit projects where space is at a premium and installation speed matters.
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FAQs
LGU4250FAG uses metric mounting hardware and line/load terminals designed for four-pole LG frame installation. This enables straightforward mounting in standard panel rails and simplifies wiring, helping to reduce install time and potential miswiring. Ensure panel cutouts and terminal lugs match metric specifications for a secure, code-compliant fit.
Key specs include a 250 A amperage rating, four-pole configuration, and interrupt ratings of 200 kAIC at 240 Vac, 150 kAIC at 480 Vac, and 65 kAIC at 600 Vac. Trip Type is T185, with 50/60 Hz frequency rating, and the device is 80% rated. These specs enable reliable protection and predictable coordination in varied industrial applications.
Yes. The LGU4250FAG is designed for Series G applications in control panels and motor control centers, offering 4-pole protection, HACR rating, and high interrupt capabilities. Its LG frame and fixed/adjustable trip features support motor protection coordination, startup protection, and reliable fault interruption in MCC environments.
LGU4250FAG is UL Listed, CSA Certified, IEC Rated, and CE Marked. These certifications verify safety, performance, and international compatibility, simplifying procurement for global projects and ensuring compliance with multiple national and regional electrical standards.
The product carries Eaton’s warranty policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first. Access to Eaton’s service centers and technical resources supports installation, maintenance, and ongoing protection coordination across environments.