Eaton LGU440035G Complete Series G MCCB - UL Listed
Part Number: LGU440035G
Quick Summary
Eaton Series G MCCB is a complete molded case circuit breaker designed for panel protection in industrial controls. The main challenge engineers face is achieving reliable protection in compact enclosures without sacrificing wiring clarity or serviceability. This LG-frame unit carries IEC rated, CSA certified, UL listed certifications and CE compliance, ensuring worldwide acceptance. With a four-pole, 400 A capacity and Digitrip 310 RMS electronic LSG trip, it supports high-fault resilience and selective coordination. Using the Series G MCCB in your control panels helps optimize uptime, simplify spare parts planning, and reduce long-term maintenance costs. Its 50/60 Hz compatibility and metric mounting further streamline installation in global facilities.
Product Information
Extended Description
LGU440035G Eaton: Eaton Series G molded case circuit breaker, LG-frame, LG, Digitrip 310 RMS, Electronic LSG trip, Four-pole, 400A, 200 kAIC at 240 Vac, 150 kAIC at 480 Vac, 65 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
LGU440035G
UPC
786685184852
Product Length/Depth
4.09 in
Product Height
7.22 in
Product Width
7.22 in
Product Weight
15.7 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 CSA Certified UL Listed
Catalog Notes
LG breaker is HACR rated
Type
Complete breaker
Amperage Rating
400 A
Trip Type
Electronic LSG
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
200 kAIC at 240 Vac 150 kAIC at 480 Vac 65 kAIC at 600 Vac
Number of poles
Four-pole
Application of Multi-Wire Terminals for Molded Case Circuit Breakers
Application of Multi-Wire Terminals for Molded Case Circuit Breakers
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
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 - LGU440035G
Eaton Specification Sheet - LGU440035G
Eaton Specification Sheet - LGU440035G
Feature → Business Impact → Application: The Digitrip 310 RMS electronic LSG trip provides precise, fast fault detection, improving protection accuracy and reducing downstream damage in motor drives and process panels. This translates to lower downtime and longer equipment life, especially in high-load scenarios where nuisance trips are costly. Application: Motor control centers and critical process panels needing reliable protection without excessive maintenance.
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FAQs
Yes. The LGU440035G uses the LG frame with line-and-load terminals and metric mounting, enabling straightforward replacement in LG-based panels. Verify terminal sizes and available clearance for the four-pole design. The Digitrip 310 RMS electronic LSG trip remains compatible with common accessory sets for selective coordination and easier field upgrades.
It delivers 200 kAIC at 240 Vac, 150 kAIC at 480 Vac, and 65 kAIC at 600 Vac. The four-pole unit uses a Digitrip 310 RMS electronic LSG trip for precise instantaneous protection and short-time protection. This combination supports reliable protection across three-phase systems and motors in demanding environments.
Yes, particularly in motor control centers and process panels with high fault-current risks. The 400 A rating and four-pole LG frame fit substantial loads in compact spaces, while metric mounting and CE/UL/CSA certifications simplify global deployment and compliance. It’s well-suited for coordinated protection of feeders and motors in OEM builds.
This device is IEC Rated, CSA Certified, and UL Listed, with CE compliance as noted in the product specs. These certifications ensure global acceptance, regulatory alignment, and consistent performance across international installations, reducing risk during cross-border projects and maintenance procurement.
Warranty follows Eaton policy 25-000: one year from installation or 18 months from shipment, whichever occurs first. The robust LG frame and electronic LSG trip reduce nuisance trips and downtime, contributing to lower maintenance costs, easier spare parts planning, and longer service intervals in mission-critical applications.