Eaton LGU340033W Molded Case Breaker - Series G UL Listed

Part Number: LGU340033W
Manufacturer
Eaton
Part number
LGU340033W

Quick Summary

LGU340033W molded case circuit breaker provides reliable 400 A protection for industrial panel power distribution. Engineers often battle inconsistent trips and inefficient coordination when protecting multi-line loads, which this device helps prevent. It carries CE Marked, UL Listed, CSA Certified IEC Rated certifications and HACR rating to meet global standards for electrical protection. Designed for compatibility with the LG frame and Series G MCCBs, it enables efficient installation, reduced commissioning time, and confident compliance. With Digitrip 310 RMS electronic LS trip and 50/60 Hz operation, it maintains precise protection across variable loads. The compact LG frame and 4.09 inch depth support flexible panel layouts and easier retrofits.

Product Information

Extended Description

LGU340033W Eaton: Eaton Series G molded case circuit breaker, LG-frame, LG, Digitrip 310 RMS, Electronic LS 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
LGU340033W
UPC
786685241364
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
CSA Certified IEC Rated UL Listed
Catalog Notes
LG breaker is HACR rated
Type
Complete breaker
Amperage Rating
400 A
Trip Type
T167
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 within a three-pole, LG frame MCCB. Benefit: Protects heavy loads while enabling selective coordination in large panel solutions, reducing nuisance trips and equipment wear. Application: Industrial power distribution panels and motor control centers in manufacturing lines. Feature: High interrupt ratings—200 kAIC at 240 Vac, 150 kAIC at 480 Vac, 65 kAIC at 600 Vac. Benefit: Safety margin for fault currents in diverse electrical environments, preventing cascading outages. Application: Data centers, process plants, and critical power feeds. Feature: 50/60 Hz operating frequency and 80% rating. Benefit: Reliable performance across regional power systems with predictable load handling and efficient energy use. Application: Global installations requiring consistent protection curves. Feature: Digitrip 310 RMS electronic LS trip. Benefit: Precise, fast, and adjustable protection against short circuits with reduced nuisance tripping. Application: Control panels and MCCs where coordination with upstream devices is essential. Feature: Without terminals; LG frame compatibility; 4.09 in depth. Benefit: Streamlined field installation with flexible termination options via compatible accessories, enabling compact panel layouts. Application: Retrofit projects and new builds where space optimization matters. Feature: Certifications and HACR rating (CE, UL Listed, CSA Certified IEC Rated; HACR noted). Benefit: Demonstrated compliance for regulated environments, simplifying approvals and reducing risk. Application: Industrial facilities with strict electrical standards and panel assembly requirements.

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FAQs

Yes. The LGU340033W is a three-pole, LG-frame molded case circuit breaker designed to fit Eaton Series G assemblies. It is specified as a complete breaker without terminals, meaning you can pair it with compatible lugs or adapters per your panel design. Its dimensions support standard cabinet footprints while maintaining reliable clearance for wiring and testing.
The LGU340033W provides 200 kAIC at 240 Vac, 150 kAIC at 480 Vac, and 65 kAIC at 600 Vac. It operates at 50 to 60 Hz and is rated 80% for continuous operation. These ratings support reliable fault protection for medium to high fault currents in industrial distribution centers and motor control centers.
Absolutely. With a 400 A rating, Series G construction, and Digitrip 310 RMS electronic LS trip, this MCCB is well-suited for motor control centers and general-purpose panel protection. Its compact LG frame and HACR-rated capabilities help ensure selective coordination and safe startup sequences in office-to-plant environments.
The LGU340033W is CE Marked, UL Listed, and CSA Certified IEC Rated, with HACR-rated notes. These certifications confirm compliance with international electrical standards and safe operation for controlled equipment. For engineers, this simplifies regulatory approvals and supports safer, more reliable installations across regions.
Eaton’s policy provides a one-year warranty from installation or eighteen months from shipment, whichever occurs first. Support includes detailed specification sheets, installation guidance, and access to Eaton’s application notes and product catalogs to assist with device selection, wiring, and maintenance planning.