Eaton LGS4400FAG Molded Case Circuit Breaker - UL Listed

Part Number: LGS4400FAG
Manufacturer
Eaton
Part number
LGS4400FAG

Quick Summary

The Eaton LGS4400FAG molded case circuit breaker protects industrial power feeds in control panels and switchgear. This solution helps mitigate nuisance trips and poor selectivity when expanding or upgrading high-current circuits. It carries IEC Rated, UL Listed, and CSA Certified markings to meet global safety and performance requirements, including HACR-rated motor protection. By leveraging the LG-frame complete breaker with metric mounting hardware, you gain installation efficiency and reliable protection. The result is reduced downtime, predictable maintenance, and scalable protection for manufacturing lines, automation panels, and other high-demand electrical installations.

Product Information

Extended Description

LGS4400FAG Eaton: Eaton Series G molded case circuit breaker, LG-frame, LG, Fixed thermal, adjustable magnetic trip, Four-pole, 400A, 85 kAIC at 240 Vac, 50 kAIC at 480 Vac, 25 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
LGS4400FAG
UPC
782116142644
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
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
85 kAIC at 240 Vac 50 kAIC at 480 Vac 25 kAIC at 600 Vac
Number of poles
Four-pole
Feature: 400 A amperage rating on an LG-frame, four-pole complete breaker. Business Impact: enables high-current protection with a compact footprint, reducing panel space and wiring complexity. Application: main feeder protection in large control panels and machine assemblies. Feature: T185 trip type with adjustable magnetic trip. Business Impact: enhanced fault discrimination and faster fault clearing to minimize downtime. Application: motor loads and process lines that require precise protection coordination. Feature: High interrupt ratings—85 kAIC at 240 VAC, 50 kAIC at 480 VAC, 25 kAIC at 600 VAC. Business Impact: superior fault handling reduces arcing risk and downstream damage. Application: critical power circuits across manufacturing and automation equipment. Feature: Line and load terminals with metric mounting hardware. Business Impact: simplifies installation and retrofits across equipment with standard metric components. Application: new builds and panel upgrades in varied facilities. Feature: Certifications and HACR rating with CE Marked, UL Listed, and CSA Certified. Business Impact: global compliance streamlines procurement and reduces qualification time. Application: multinational plants and systems with diverse regulatory requirements. Feature: Warranty and service terms. Business Impact: improved total cost of ownership and predictable after-sales support. Application: procurement planning and long-term maintenance programs.

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FAQs

Yes. The LGS4400FAG is a complete LG-frame, four-pole molded case circuit breaker designed for line and load connections. It uses metric mounting hardware, which simplifies installation in panelboards and switchgear. Compatibility with existing LG-frame assemblies ensures straightforward retrofits and minimizes downtime during upgrades.
The LGS4400FAG provides 85 kAIC at 240 VAC, 50 kAIC at 480 VAC, and 25 kAIC at 600 VAC. These ratings indicate robust fault current capacity, enabling safe interruption of high-energy faults and reducing downstream equipment damage. This makes it suitable for large motors and high-current feeders in industrial settings.
Yes, the LG breaker is HACR-rated for motor protection. It is CE Marked, IEC Rated, UL Listed, and CSA Certified, meeting global safety and performance standards. These certifications streamline compliance for multinational facilities and support reliable, regulated operation across diverse markets.
Plan for metric mounting hardware and space for a four-pole LG-frame breaker with line and load terminals. Verify panel space and compatible bus bars, and ensure wiring conforms to metric terminal sizing. The device supports straightforward upgrades and provides reliable protection with minimal wiring changes in new builds or panel refurbishments.
The product carries Eaton’s warranty policy: one year from installation or eighteen months from shipment, whichever occurs first. This supports predictable maintenance budgeting and reduces risk during initial commissioning. Coupled with high interrupt ratings and robust certifications, the LGS4400FAG delivers strong total cost of ownership benefits for industrial systems.