Eaton LGH3400FAGC Molded Case Circuit Breaker - 100% Rated
Part Number: LGH3400FAGC
Quick Summary
The Eaton LGH3400FAGC molded case circuit breaker provides reliable overcurrent protection for medium to large electrical distribution panels. Engineers often struggle with nuisance trips and limited selectivity as systems scale, making panel upgrades risky and costly. It is IEC rated, UL Listed, and CSA Certified, with CE marking and HACR rating to satisfy global safety standards. With a 400 A rating and LG-frame three-pole design, the unit delivers robust protection while enabling straightforward installation in modern control panels. This device also supports 50/60 Hz operation, aligning with both North American and international applications, helping minimize downtime and simplify procurement across multi-site facilities.
Product Information
Extended Description
LGH3400FAGC Eaton: Eaton Series G molded case circuit breaker, LG-frame, LG, Fixed thermal, adjustable magnetic trip, Three-pole, 400A, 100 kAIC at 240 Vac, 65 kAIC at 480 Vac, 35 kAIC at 600 Vac, Line and load, 50/60 Hz, 100% rated
Product Name
Eaton Series G complete molded case circuit breaker
Catalog Number
LGH3400FAGC
UPC
786685291338
Product Length/Depth
4.09 in
Product Height
5.48 in
Product Width
5.48 in
Product Weight
16 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
100% rated
Series
Series G
Terminals
Line and load
Frame
LG
Frequency rating
50 to 60 Hz
Interrupt rating
35 kAIC at 600 Vac 65 kAIC at 480 Vac 100 kAIC at 240 Vac
Number of poles
Three-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
Eaton Specification Sheet - LGH3400FAGC
Eaton Specification Sheet - LGH3400FAGC
Eaton Specification Sheet - LGH3400FAGC
Feature: Three-pole LG-frame complete breaker enables balanced three-phase protection and straightforward wiring. Business Impact: Improves protection coordination and reduces installation errors, leading to fewer nuisance trips and faster commissioning. Application: Ideal for power distribution panels and control cabinets in manufacturing and process environments. Feature: 400 A continuous amperage rating with 50/60 Hz frequency range supports high-load feeders. Business Impact: Delivers reliable service for heavy equipment and motor loads while simplifying product selection across sites. Application: Main feeders and branch protection in industrial plants. Feature: Trip Type T185 with fixed thermal element enhances selective coordination. Business Impact: Reduces unwanted trips during transient surges and improves uptime. Application: Motors and revised process lines where downtime costs are critical. Feature: High interrupt ratings up to 100 kAIC at 240 Vac, 65 kAIC at 480 Vac, and 35 kAIC at 600 Vac increase system robustness. Business Impact: Offers enhanced protection for downstream devices and accurate fault clearing. Application: Critical panels, VFD-driven equipment, and high-energy motor circuits. Feature: HACR rated with UL/IEC/CSA certifications and CE marking ensures compliance. Business Impact: Accelerates code compliance and simplifies multi-region deployment. Application: New builds and retrofits in regulated facilities seeking proven global standards.
Get a Quick Quote for a Eaton LGH3400FAGC
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton LGH3400FAGC?
Enquire Now
FAQs
LGH3400FAGC installs with line and load terminals on a three-pole LG-frame, simplifying wiring inside control panels. Ensure panel clearance for the 4.09 in depth and observe 50/60 Hz compatibility. Use proper torque on terminals and verify compatible accessories from Eaton to maintain HACR rating and coordinate with other protections.
Key specs include a 400 A amperage rating, three poles, LG frame, Trip Type T185, 100% rated, interrupt ratings of 100 kAIC at 240 Vac, 65 kAIC at 480 Vac, and 35 kAIC at 600 Vac, with frequency rated at 50–60 Hz.
Yes. Its LG-series design, HACR rating, and T185 trip enable selective protection for motor loads, reducing nuisance trips while maintaining fast fault clearance in motor control centers and process panels.
LGH3400FAGC is UL Listed, IEC Rated, CSA Certified, and CE Marked, with HACR rating noted in catalog notes, supporting global regulatory compliance.
The 100% rated protection, high interrupt ratings, and improved selectivity reduce downtime and maintenance costs, while simplifying panel upgrades and spare-part inventories across sites with similar electrical infrastructures.