Eaton LGU3400FAW Molded Case Circuit Breaker - UL Listed

Part Number: LGU3400FAW
Manufacturer
Eaton
Part number
LGU3400FAW

Quick Summary

Eaton LGU3400FAW molded case circuit breaker protects electrical systems in industrial control panels. In space-constrained cabinets, selecting a 400 A device with high interrupt ratings and a configurable trip improves uptime and reduces wiring complexity. This LG-frame MCCB carries UL Listed, CSA Certified, and CE Marked certifications, underscoring safety and global compliance for multi-site deployments. With a fixed thermal and adjustable magnetic trip (T185), it delivers precise coordination for motor loads and feeders. Operational at 50/60 Hz, it is 80% rated for continuous service, aligning well with utility and facility standards while supporting scalable protection in control panels and industrial equipment.

Product Information

Extended Description

LGU3400FAW Eaton: Eaton Series G molded case circuit breaker, LG-frame, LG, Fixed 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
LGU3400FAW
UPC
786685241265
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.
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
Without terminals
Frame
LG
Frequency rating
50 to 60 Hz
Interrupt rating
200 kAIC at 240 Vac 150 kAIC at 480 Vac 65 kAIC at 600 Vac
Number of poles
Three-pole
Feature: LG-frame, three-pole complete breaker with fixed thermal and adjustable magnetic trip (T185). Business Impact: Enables precise coordination and reliable fault interruption, minimizing downtime. Application: Ideal for three-phase motor feeders, CNC drives, and control panels in manufacturing environments, where reliable interruption and fast fault isolation are essential. Feature: High interrupt ratings — 200 kAIC at 240 Vac, 150 kAIC at 480 Vac, 65 kAIC at 600 Vac. Business Impact: Provides robust protection for feeders and power circuits, helping meet plant-wide short-circuit withstand requirements. Application: Main and downstream circuits in process lines and heavy equipment where reliable fault clearing is critical. Feature: Amperage rating and frequency compatibility — 400 A with 50–60 Hz operation; 80% rated for continuous service. Business Impact: Aligns protection with motor loads and continuous processes, reducing overcapacity yet maintaining safety margins. Application: Factory floors, packaging lines, and automation equipment requiring dependable protection with efficient cooling. Feature: Terminals — Without terminals. Business Impact: Allows flexible integration with existing lugs or field-installed terminations, simplifying retrofits. Application: Retrofit projects and new panel builds where termination options are defined by site standards. Feature: Certifications and warranty — UL Listed, CSA Certified, CE Marked; 1-year warranty from install or 18 months from shipment. Business Impact: Compliance across multi-site operations reduces audit risk and ensures dependable service support. Application: Global manufacturing environments with strict supplier quality requirements.

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FAQs

The LGU3400FAW is a complete LG-frame, three-pole breaker described as without terminals. For installation, you will need compatible lugs or termination accessories per the panel design and Eaton recommendations to ensure a proper, code-compliant connection.
LGU3400FAW provides 200 kAIC at 240 Vac, 150 kAIC at 480 Vac, and 65 kAIC at 600 Vac. These ratings define the maximum fault current the device can interrupt at each voltage level, guiding feeder and main circuit protection and allowing selective coordination in multi-tier protection schemes.
Yes. The LG breaker is HACR rated per its catalog notes and is designed for motor loads and control panels, making it suitable for motor control centers, conveyors, and similar automation equipment where precise protection and coordination are essential.
LGU3400FAW is UL Listed, CSA Certified, and CE Marked, covering safety, performance, and European compliance. These certifications help with regulatory acceptance, supplier audits, and cross-border project requirements.
The device carries Eaton’s one-year warranty from installation or eighteen months from shipment. Support centers and published maintenance resources are available to reduce downtime, lower lifecycle costs, and simplify warranty claims during asset life.