Eaton LGC3400FAG Complete MCCB - UL Listed, LG-frame
Part Number: LGC3400FAG
Quick Summary
Eaton LGC3400FAG molded case circuit breaker provides reliable overcurrent protection for medium-size electrical distributions in industrial control panels. Many panels suffer nuisance trips or miscoordination that lead to downtime and costly maintenance. This LG-frame unit carries UL Listed, IEC Rated, and CSA Certified markings to support global compliance and safe operation. In practice, it enables safer motor control and selective coordination while reducing spare parts and inventory needs, with 50/60 Hz operation and an 400 A rating that aligns with demanding industrial loads.
Product Information
Extended Description
LGC3400FAG Eaton: Eaton Series G molded case circuit breaker, LG-frame, LG, Fixed thermal, adjustable magnetic trip, Three-pole, 400A, 200 kAIC at 240 Vac, 100 kAIC at 480 Vac, 50 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
LGC3400FAG
UPC
786685183091
Product Length/Depth
4.09 in
Product Height
5.48 in
Product Width
5.48 in
Product Weight
14.5 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 IEC Rated 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
100 kAIC at 480 Vac 200 kAIC at 240 Vac 50 kAIC at 600 Vac
Number of poles
Three-pole
Application of Tap Rules to Molded Case Breaker Terminals
Application of Tap Rules to Molded Case Breaker Terminals
Motor protection circuit breakers product aid
Motor protection circuit breakers product aid
Motor protection circuit breakers product aid
Motor protection circuit breakers product aid
Motor protection circuit breakers product aid
Motor protection circuit breakers product aid
Motor protection circuit breakers product aid
Motor protection circuit breakers product aid
Motor protection circuit breakers product aid
Motor protection circuit breakers product aid
Motor protection circuit breakers product aid
Motor protection circuit breakers product aid
Breaker service centers
Circuit Protection, Molded Case Circuit Breakers, Volume 4, Tab 2
NG and ND-Frame molded case circuit breakers
NG and ND-Frame molded case circuit breakers
NG and ND-Frame molded case circuit breakers
Feature → Business Impact → Application: LG-frame, three-pole design supports high-current distribution with predictable protection, enabling quick disconnection during faults to minimize damage and downtime in control panels and machine assemblies. This translates to lower repair costs and improved uptime for manufacturing lines. Feature → Business Impact → Application: 400 A amperage rating with 80% rated operation provides reliable protection for motors and feeders while allowing efficient energy use; ideal for panel builders and system integrators targeting robust MCCB protection in 50/60 Hz environments. Feature → Business Impact → Application: Line and load terminals with metric mounting hardware simplify installation, reduce wiring errors, and speed up panel assembly in OEM builds and service upgrades. Feature → Business Impact → Application: HACR-rated LG breaker (per catalog notes) supports motor-driven applications with safer thermal performance, improving long-term reliability in commercial and industrial settings. Feature → Business Impact → Application: Interrupt ratings of 100 kAIC at 480 Vac, 200 kAIC at 240 Vac, and 50 kAIC at 600 Vac ensure fast clearance of faults, enhancing protection for high-energy systems and critical equipment. Feature → Business Impact → Application: UL Listed, CE Marked, and CSA Certified compliance profile simplifies global procurement and reduces qualification cycles for multinational projects. Feature → Business Impact → Application: 50/60 Hz compatibility and Series G innovations align with modern control-panel standards, delivering consistent protection with minimal rework when upgrading legacy MCCBs.
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FAQs
Yes. The LGC3400FAG uses the LG-frame, three-pole design with line and load terminals and metric mounting hardware, making it compatible with Series G panels and standard industrial enclosures that support LG-frame MCCBs.
The unit uses a T185 trip type, rated at 400 A with 80% rated operation. It provides high-current protection for feeders and motors while maintaining reliable coordination within distribution schemes.
It carries UL Listed, IEC Rated, and CSA Certified markings, plus CE compliance, supporting global installation and regulatory requirements across industrial facilities.
Ideal for control panels, motor control centers, and distribution boards in 50/60 Hz environments, where 400 A protection and high interrupt ratings help protect critical machinery and minimize downtime.
The product follows Eaton’s policy 25-000, offering one year from installation or eighteen months from shipment, whichever occurs first, supporting service planning and asset management.