Eaton LGE3400FAW Molded Case Circuit Breaker - UL Listed

Part Number: LGE3400FAW
LGE3400FAW
Manufacturer
Eaton
Part number
LGE3400FAW
Category

Quick Summary

Eaton LGE3400FAW molded case circuit breaker protects high-amp panels and control circuits in industrial equipment. This device offers reliable overcurrent protection for LG-frame systems, with a 400 A amperage rating and 65 kAIC at 240 Vac. Engineers often struggle with nuisance trips, miscoordination, and downtime caused by undersized protection or poorly coordinated settings. The LGE3400FAW addresses these challenges with fixed thermal and adjustable magnetic trip (T185), a three-pole LG frame, and HACR-rated operation suitable for control applications. Certified to IEC, UL, CSA with CE marking, it combines global compliance with robust performance. By aligning with Series G MCCB standards, it enables easier panel integration, safer maintenance, and better total cost of ownership for industrial customers.

Product Information

Extended Description

LGE3400FAW Eaton: Eaton Series G molded case circuit breaker, LG-frame, LG, Fixed thermal, adjustable magnetic trip, Three-pole, 400A, 65 kAIC at 240 Vac, 35 kAIC at 480 Vac, 18 kAIC at 600 Vac, Without terminals, 50/60 Hz, 80% rated
Product Name
Eaton Series G complete molded case circuit breaker
Catalog Number
LGE3400FAW
UPC
782116890583
Product Length/Depth
4.09 in
Product Height
5.48 in
Product Width
5.48 in
Product Weight
13.5 lb
Compliances
CE Marked
Certifications
IEC Rated UL Listed CSA Certified
Catalog Notes
LG breaker is HACR rated
Amperage Rating
400 A
Trip Type
T185
Circuit breaker type
LG
Circuit breaker frame type
Complete breaker
Rating
80% rated
Series
Series G
Shunt trip
110-127 Vac GF or 208-240 Vac rear with left pigtail shunt
Terminals
Without terminals
Frame
LG
Frequency rating
50 to 60 Hz
Interrupt rating
18 kAIC at 600 Vac 35 kAIC at 480 Vac 65 kAIC at 240 Vac
Number of poles
Three-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
LG-frame, three-pole design with a 400 A rating facilitates protection of large feeders while maintaining proper trip coordination across loads. This translates to fewer nuisance trips and faster fault isolation, improving equipment uptime. Ideal applications include panel boards in manufacturing lines, automated machinery, and HVAC systems where high fault current may occur. High interrupt ratings of 65 kAIC at 240 Vac, 35 kAIC at 480 Vac, and 18 kAIC at 600 Vac provide resilience against short circuits, reducing damage to downstream devices and enabling safer maintenance windows in demanding environments. The fixed thermal, adjustable magnetic trip (T185) delivers precise protection curves while accommodating control logic, supporting reliable motor and process protection in automation docks and assembly lines. Shunt trip options (110-127 Vac GF or 208-240 Vac rear with left pigtail) enable remote shutdown for safety interlocks and emergency stops, boosting plant safety and compliance. HACR rating, CE marking, IEC rating, UL Listed, and CSA Certified signify global conformity, while the compact LG-frame, 50/60 Hz compatibility, and 13.5 lb weight simplify panel integration, installation, and serviceability in growing industrial facilities.

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FAQs

The LGE3400FAW is designed for standard LG-frame enclosures and three-pole configurations, matching typical MCCB footprints. With a compact 4.09 in depth, 5.48 in height and width, and a weight of 13.5 lb, it fits inside common control panels and switchgear. Ensure mounting aligns with panel busbars and that terminals are properly connected as required by the installation, noting that this model is listed as 'Without terminals' and may require compatible lug kits or terminal assemblies per application.
Key specs include a 400 A amperage rating, three-pole LG frame, and interrupt ratings of 65 kAIC at 240 Vac, 35 kAIC at 480 Vac, and 18 kAIC at 600 Vac. It uses fixed thermal with adjustable magnetic trip (T185) and supports 50/60 Hz operation. Shunt trip options are available for remote control, and it is HACR rated for motor and load protection in automation environments.
Yes. The LGE3400FAW is HACR rated and uses a three-pole LG-frame design with a customizable magnetic trip (T185), which supports coordinated motor protection in automation and control panels. Its 400 A capacity and high interrupt ratings help safely withstand fault currents typical in motor-start scenarios, reducing nuisance trips and enabling reliable operation of conveyors, presses, and automated lines.
This MCCB is IEC-rated, UL-listed, and CSA-certified, with CE marking. These certifications verify compliance with international safety and performance standards, facilitating global procurement and ensuring suitable protection for industrial equipment across regions. The product notes also indicate HACR rating, which supports safe motor and heating-load protection in commercial and industrial applications.
The LGE3400FAW delivers long-term reliability through robust interrupt ratings and precise trip performance, reducing unplanned downtime. Its compatibility with LG-frame panels simplifies retrofits and new installations, lowering commissioning time and panel costs. Remote shunt-trip options enhance safety and compliance, while UL/IEC/CSA certifications support standardization across facilities, improving spare-part planning and lifecycle management.