Eaton LGX340035B20G Complete MCCB - UL Listed

Part Number: LGX340035B20G
LGX340035B20G
Manufacturer
Eaton
Part number
LGX340035B20G
Category

Quick Summary

Eaton LGX340035B20G complete molded case circuit breaker protects critical power feeds in industrial machines and control panels. Facilities and maintenance teams often face nuisance trips or mismatched interrupt ratings that drive downtime and cost. UL Listed, CSA Certified, and IEC Rated with HACR protection ensure compliance across North American and international installations. Engineered for a 400 A load with 200 kAIC interrupt at 240/480 Vac, the LGX340035B20G offers precise trips and clear diagnostics. By combining reliable protection with easy line and load wiring in a metric LG frame, it supports safer, faster panel assembly and reduced service time.

Product Information

Extended Description

LGX340035B20G Eaton: Eaton Series G molded case circuit breaker, LG-frame, LG, Digitrip 310 RMS, Electronic LSG trip, Three-pole, 400A, 200 kAIC at 240/480 Vac, 65 kAIC at 600 Vac, Line and load, Metric, High load alarm, 50/60 Hz, 80% rated
Product Name
Eaton Series G complete molded case circuit breaker
Catalog Number
LGX340035B20G
UPC
786689055882
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
High load alarm
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 240/480 Vac 65 kAIC at 600 Vac
Number of poles
Three-pole
Application of Tap Rules to Molded Case Breaker Terminals Application of Tap Rules to Molded Case Breaker Terminals 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 Selling Policy 25-000 - Distribution and Control Products and Services
Feature: Digitrip 310 RMS electronic LSG trip provides accurate, fast fault detection. Benefit: Minimizes nuisance tripping and improves system uptime. Application: Suitable for motor control centers and process panels where precise protection is critical. Feature → Business Impact → Application: 3-pole LG frame and line/load terminals simplify wiring and reduce installation errors, accelerating panel assembly and enabling cleaner field wiring in compact control panels. Feature → Business Impact → Application: 400 A rating with 200 kAIC at 240/480 Vac delivers robust protection for high-inrush loads, improving durability of feeders and downstream equipment in manufacturing lines. Feature → Business Impact → Application: 50 to 60 Hz compatibility and 80% rated operation support global sustainability goals while maintaining reliable protection in mixed-supply environments. Feature → Business Impact → Application: High load alarm and HACR-rated design offer proactive monitoring and safer motor starting, reducing maintenance costs and risk of arc-flash incidents. Feature → Business Impact → Application: UL Listed, CSA Certified, IEC Rated certifications along with a clear warranty framework enhance procurement confidence and long-term service planning for industrial automation projects.

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FAQs

The LGX340035B20G uses a three-pole LG frame with line and load terminals designed for metric mounting. It supports 400 A continuous ratings and is compatible with 50/60 Hz electrical systems. For installation, align the breaker within standard MCCB racks, connect incoming and outgoing conductors to the line and load terminals, and verify the Digitrip 310 RMS electronic LSG trip is active and properly configured for your motor loads.
This MCCB features an interrupt rating of 200 kAIC at 240/480 Vac and 65 kAIC at 600 Vac, with a Digitrip 310 RMS electronic LSG trip. It is HACR rated and designed for reliable protection of motors and feeders. The device is 3-pole, LG frame, with an 80% rating to support coordination in systems operating near rated current, ensuring selective tripping and reduced damage during faults.
Yes. The LGX340035B20G is well-suited for motor control panels due to its HACR rating, high interrupt capability, and three-pole LG frame that accommodates common motor starter configurations. The high load alarm feature helps monitor loading conditions, improving maintenance planning and reducing unexpected motor shutdowns in manufacturing environments.
The LGX340035B20G is UL Listed, CSA Certified, IEC Rated, and CE Marked, with HACR-rated performance. These certifications ensure compliance with North American and international electrical codes, simplifying shared procurement across multi-site operations and helping meet regulatory requirements for panel assemblies.
This MCCB delivers consistent protection with a proven Digitrip electronic mechanism, reducing nuisance trips and extending equipment life. The three-pole design simplifies wiring and fault isolation, lowering maintenance time. With a 1-year warranty (and terms under Eaton policy), purchasers gain predictable support, contributing to lower total cost of ownership and higher return on investment for automation projects.