Eaton LGU340035B22G Complete MCCB - UL Listed
Part Number: LGU340035B22G
Quick Summary
Eaton LGU340035B22G complete molded case circuit breaker protects electrical distribution panels and motor circuits with precision. This three-pole unit delivers reliable overcurrent protection while facilitating simple field installation within LG-frame ecosystems. Many panels struggle with nuisance trips, poor coordination, and limited diagnostics; this MCCB mitigates those issues with Digitrip 310 RMS electronic LSG trip and an integrated ground fault alarm. It carries UL Listed, CSA Certified, and IEC Rated certifications, reinforcing compliance across North American and international sites. The design aligns with 50/60 Hz systems and metric mounting, enabling seamless retrofits. By combining robust protection with scalable diagnostics, it supports safer panels and reduced maintenance costs for OEMs and integrators.
Product Information
Extended Description
LGU340035B22G Eaton: Eaton Series G molded case circuit breaker, LG-frame, LG, Digitrip 310 RMS, Electronic LSG trip, Three-pole, 400A, 200 kAIC at 240 Vac, 150 kAIC at 480 Vac, 65 kAIC at 600 Vac, Line and load, Metric, Ground fault alarm, 50/60 Hz, 80% rated
Product Name
Eaton Series G complete molded case circuit breaker
Catalog Number
LGU340035B22G
UPC
786685583464
Product Length/Depth
4.09 in
Product Height
5.48 in
Product Width
5.48 in
Product Weight
15.3 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
UL Listed CSA Certified IEC Rated
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
Alarm lockout
Ground fault alarm
Rating
80% rated
Series
Series G
Terminals
Line and load
Frame
LG
Frequency rating
50 to 60 Hz
Mounting hardware
Metric
Interrupt rating
150 kAIC at 480 Vac 200 kAIC at 240 Vac 65 kAIC at 600 Vac
Number of poles
Three-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
MOEM MCCB product selection guide
MOEM MCCB product selection guide
MOEM MCCB product selection guide
Digitrip 310 RMS electronic LSG trip provides fast, accurate overcurrent protection, supporting safer motor control and panel protection. This translates to fewer nuisance trips and improved coordination with downstream devices. It’s ideal for equipment that demands tight trip curves and reliable fault detection in manufacturing lines. Ground fault alarm enhances safety and enables proactive fault diagnosis, reducing unplanned downtime and maintenance surprises. The LG frame with line and load terminals and metric mounting enables straightforward retrofits and field upgrades, shortening installation time and lowering commissioning risk. Interrupt ratings of 150 kAIC at 480 Vac, 200 kAIC at 240 Vac, and 65 kAIC at 600 Vac ensure robust fault tolerance across broad industrial applications. Certifications with UL Listed, CSA Certified, and IEC Rated reinforce regulatory compliance and vendor confidence, while the 80% rated feature supports reliable performance in partial-load conditions. The unit’s compact LG design, 400 A capacity, and three-pole protection deliver scalable protection for control panels and motor control centers, helping OEMs meet safety standards without overpaying for unnecessary capacity.
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FAQs
When upgrading to LGU340035B22G, ensure the panel accepts an LG-frame MCCB with metric mounting hardware and line-and-load terminals. The unit is three-pole, 400 A, and compatible with Digitrip 310 RMS electronic LSG trip. Check the catalog notes for HACR rating and verify panel clearance, bus bar spacing, and tightening torques to maintain clearances and minimize nuisance trips during retrofit.
Key specs include a 400 A amperage rating, three-pole configuration, Digitrip 310 RMS electronic LSG trip, ground fault alarm, and interrupt ratings of 150 kAIC at 480 Vac, 200 kAIC at 240 Vac, and 65 kAIC at 600 Vac. It operates at 50 to 60 Hz, is 80% rated, and uses metric mounting hardware for reliable field installation in industrial environments.
This MCCB is well-suited for control panels, motor control centers, and industrial distribution panels that require reliable overcurrent protection, ground fault monitoring, and high fault tolerance. Its Series G design supports scalable protection in medium- to large-sized electrical distribution systems, with easy retrofits in LG-frame installations and compatibility with 50/60 Hz power.
The LGU340035B22G carries UL Listed, CSA Certified, and IEC Rated certifications, along with CE marking per catalog notes. These indicate compliance with global electrical safety and performance standards, facilitating adoption across North American and international projects while supporting regulatory acceptance in panel shops and system integrator environments.
Eaton provides a warranty policy (25-000) offering one year from installation or eighteen months from shipment, whichever occurs first. Support includes catalog guidance, access to MOEM MCCB product selection resources, and availability of Eaton service centers and product documentation to assist installation, operation, and ongoing maintenance.