Eaton LGU3400AAW Molded Case Breaker - UL Listed

Part Number: LGU3400AAW
Manufacturer
Eaton
Part number
LGU3400AAW

Quick Summary

Eaton LGU3400AAW molded-case circuit breaker protects medium-voltage panels and motor control centers. Engineers often wrestle with nuisance trips and miscoordination in complex power layouts. UL Listed and HACR rated, it carries a 400 A service rating with 200 kAIC at 240 Vac, 150 kAIC at 480 Vac, and 65 kAIC at 600 Vac. The LG frame's compact Series G design enables straightforward panel integration, while adjustable thermal and magnetic trips support precise coordination across 50/60 Hz systems. Together, these attributes deliver improved reliability, easier commissioning, and lower lifecycle costs for industrial controls and electrical protection schemes.

Product Information

Extended Description

LGU3400AAW Eaton: Eaton Series G molded case circuit breaker, LG-frame, LG, Adjustable thermal, adjustable magnetic trip, Three-pole, 400A, 200 kAIC at 240 Vac, 150 kAIC at 480 Vac, 65 kAIC at 600 Vac, Without terminals, 50/60 Hz, 80% rated
Product Name
Eaton Series G complete molded case circuit breaker
Catalog Number
LGU3400AAW
UPC
786685241159
Product Length/Depth
4.09 in
Product Height
5.48 in
Product Width
5.48 in
Product Weight
13.5 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.
Certifications
UL Listed
Catalog Notes
Adjustable thermal, adjustable magnetic trip units are typically used in IEC markets and are not UL or CSA listed, LG breaker is HACR rated
Type
Complete breaker
Amperage Rating
400 A
Trip Type
Adjustable thermal, adjustable magnetic
Circuit breaker type
LG
Circuit breaker frame type
Complete breaker
Rating
80% rated
Series
Series G
Terminals
Without terminals
Frame
LG
Frequency rating
50 to 60 Hz
Interrupt rating
150 kAIC at 480 Vac 200 kAIC at 240 Vac 65 kAIC at 600 Vac
Number of poles
Three-pole
Feature: 400 A amperage rating on a complete LG frame three-pole breaker → Business Impact: Enables protection of high-demand loads in motor control centers with robust fault handling. Application: Suitable for demanding manufacturing lines and HVAC controls where reliable current interruption is critical. Feature: Adjustable thermal and adjustable magnetic trip units → Business Impact: Tailors protection to specific installation profiles, reducing nuisance trips and enhancing selective coordination. Application: Ideal for mixed loads and equipment with varying inrush characteristics. Feature: UL Listed and HACR rated → Business Impact: Ensures regulatory compliance and safe operation for HVAC and general purpose machinery, facilitating code compliance. Application: Widely used in control panels across IEC markets and US installations. Feature: 50/60 Hz operation and 80% rated → Business Impact: Compatible with global electrical systems while delivering dependable protection at reduced continuous-load derating. Application: Global facilities requiring flexible voltage compatibility. Feature: Without terminals → Business Impact: Installation flexibility and simplified field retrofit in space-constrained panels. Application: retrofit projects and new builds with compact panel design. Feature: Series G LG frame and three-pole configuration → Business Impact: Streamlined coordination across three-phase loads with consistent performance. Application: Motor drives, conveyor systems, and power distribution centers.

Get a Quick Quote for a Eaton LGU3400AAW

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 LGU3400AAW? Enquire Now

FAQs

Yes. The LGU3400AAW is a complete LG-frame molded-case circuit breaker designed for Three-pole configurations and is compatible with standard Series G panels. It is supplied without terminals, enabling flexible field installation and easier retrofits in existing electrical enclosures.
LGU3400AAW provides a 400 A amperage rating, with interrupt ratings of 200 kAIC at 240 Vac, 150 kAIC at 480 Vac, and 65 kAIC at 600 Vac. It operates at 50 to 60 Hz and uses adjustable thermal and magnetic trips for tailored protection.
Yes. The unit features HACR-rated operation and adjustable trip units commonly used in IEC markets, with UL Listed certification for general electrical protection and panel applications in HVAC and industrial environments.
Adjustable thermal and magnetic trips let you tailor the breaker’s response to load inrush and continuous current profiles, improving selective coordination, reducing nuisance trips, and enabling safer motor starting profiles in control panels.
Eaton provides application notes, product guides, and datasheets for Series G MCCBs, including tap-rule considerations, multi-wire terminal guidance, and motor protection documents to simplify selection, installation, and commissioning.