Eaton LGX4400FAG molded case circuit breaker - 200 kAIC @ 240/480 Vac
Part Number: LGX4400FAG
Quick Summary
Eaton LGX4400FAG molded case circuit breaker provides high-current protection for industrial control panels and power distribution systems. Engineers often struggle to balance protection with panel space, selectivity, and serviceability in tight control cabinets. This model is IEC rated, UL listed, CSA certified, and CE marked, with HACR rating to suit HVAC and motor-control applications. Built for 400 A service with a four-pole LG frame, it supports scalable panel designs, reliable tripping logic, and straightforward maintenance in demanding environments. By standardizing on this MCCB, teams gain consistent protection, easier spare-part strategies, and improved uptime across electrical installations.
Product Information
Extended Description
LGX4400FAG Eaton: Eaton Series G molded case circuit breaker, LG-frame, LG, Complete breaker, Fixed thermal, adjustable magnetic trip type, Four-pole, 400A, 200 kAIC at 240/480 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
LGX4400FAG
UPC
786685183718
Product Length/Depth
4.09 in
Product Height
7.22 in
Product Width
7.22 in
Product Weight
15.7 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 UL Listed CSA Certified
Catalog Notes
LG breaker is HACR rated
Type
Complete breaker
Amperage Rating
400 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
Eaton Specification Sheet - LGX4400FAG
Eaton Specification Sheet - LGX4400FAG
Eaton Specification Sheet - LGX4400FAG
Feature: Four-pole LG frame and 400 A rating enable robust protection in three-phase systems, reducing the risk of overload and equipment damage. Business Impact: Higher fault tolerance and easier coordination with downstream protection devices lead to fewer unplanned outages. Application: Ideal for industrial control panels and machine enclosures requiring strong current handling and reliable trip characteristics. Feature: Fixed thermal with adjustable magnetic trip (T185) provides precise, field-adjustable protection curves. Business Impact: Tailored protection for motors and power circuits improves selective coordination and reduces nuisance tripping. Application: Motor feeders and process lines in manufacturing environments benefit from customizable trip settings. Feature: High interrupt ratings—65 kAIC at 600 Vac and 200 kAIC at 240/480 Vac—enhance fault-current withstand capability. Business Impact: Enhanced safety margin and system reliability in high-energy installations. Application: Large panels and systems with elevated fault currents. Feature: Line and load terminals with metric mounting hardware and 50/60 Hz operation streamline installation. Business Impact: Faster commissioning, universal compatibility, and consistent cabling practices. Application: New builds and panel retrofits across global facilities. Feature: Certifications and HACR rating (IEC rated, UL Listed, CSA Certified, CE Marked) ensure compliance and broad acceptance. Business Impact: Simplified procurement, code conformity, and safer HVAC/applications. Application: Any regulated environment requiring recognized standards. Feature: Specifications and form factor (LG frame, four-pole, 7.22 in width/height, 4.09 in depth, 15.7 lb) support compact, service-friendly panel layouts. Business Impact: Maximized space utilization and easier maintenance in tight electrical rooms. Application: Control panels in manufacturing, processing, and packaging lines.
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FAQs
LGX4400FAG is designed around the LG frame with metric mounting hardware and line/load terminals, ensuring straightforward integration into standard LG-series panels and many third-party enclosures. Its four-pole configuration supports 50/60 Hz systems, simplifying panel upgrades or new builds.
The device is a 400 A complete breaker with a T185 trip type. It provides 65 kAIC at 600 Vac and 200 kAIC at 240/480 Vac, four poles, line and load terminals, and 50/60 Hz operation, making it suitable for high-current, demanding applications.
Yes. The LGX4400FAG is HACR rated and CE marked, with IEC, UL, and CSA certifications, making it appropriate for HVAC equipment and motor-control panels that require certified protection and reliable trip performance.
It is IEC rated, UL Listed, CSA Certified, and CE Marked, which confirms compliance with international safety standards and simplifies procurement across global facilities, while supporting code adherence and safer operation.
Eaton provides a warranty per policy 25-000, covering one year from installation or eighteen months from shipment. Technical datasheets, catalogs, and service centers are available to support maintenance, parts, and lifecycle support for the LG Series breakers.