Eaton LGU440033W Complete MCCB - 400A four-pole UL Listed
Part Number: LGU440033W
Quick Summary
Eaton LGU440033W is a complete molded case circuit breaker that protects industrial electrical distribution panels. Operators and engineers often contend with nuisance trips and unclear fault visibility, which can drive unplanned downtime. This Series G MCCB carries CSA Certified, UL Listed, IEC Rated certifications, plus CE compliance for global use, delivering reliable protection with DIGITRIP electronics. Designed for panel boards, motor control centers, and process equipment, it supports high fault currents while enabling seamless integration with existing protection schemes, ultimately improving uptime and maintenance predictability.
Product Information
Extended Description
LGU440033W Eaton: Eaton Series G molded case circuit breaker, LG-frame, LG, Digitrip 310 RMS, Electronic LS trip, Four-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
LGU440033W
UPC
786685241524
Product Length/Depth
4.09 in
Product Height
7.22 in
Product Width
7.22 in
Product Weight
19.6 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 UL Listed IEC Rated
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 65 kAIC at 600 Vac 200 kAIC at 240 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
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 → Business Impact → Application: Digitrip 310 RMS electronic sensing provides fast, accurate protection, reducing fault clearing time and minimizing equipment damage across 400 A circuits. This translates to measurable uptime improvement in manufacturing lines and data centers, while enabling selective coordination with upstream devices. Feature → Compatibility and installation: LG frame, LGU440033W is a four-pole MCCB shipped without terminals, helping installers tailor terminations to specific panel designs and ensuring clean, efficient installation in control panels. Feature → Certification and compliance: CSA Certified, UL Listed, IEC Rated, and CE Marked, meeting global safety standards and simplifying cross-border procurement for OEMs. Feature → Mechanical and electrical robustness: 50/60 Hz operation, 80% rated, four-pole protection with 200 kAIC at 240 Vac and 150 kAIC at 480 Vac, supporting demanding industrial environments with predictable performance. Feature → Maintenance and lifecycle: HACR rated LG breaker supports long-term serviceability in HVAC, process lines, and heavy machinery, reducing lifecycle costs through extended intervals between maintenance actions.
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FAQs
LGU440033W is designed for the LG frame in Series G configurations and ships as a complete four-pole MCCB. It supports Digitrip 310 RMS electronic sensing and is HACR rated, making it compatible with standard Series G protection schemes. Ensure termination methods align with your panel design since this unit ships without terminals.
LGU440033W provides a 400 A amperage rating with interrupt ratings of 200 kAIC at 240 Vac, 150 kAIC at 480 Vac, and 65 kAIC at 600 Vac. It operates at 50 to 60 Hz, is four-pole, and uses the LG frame. These specs support robust short-circuit protection for demanding industrial loads.
The LGU440033W is CSA Certified, UL Listed, and IEC Rated, with CE Marking for global applicability. This combination supports regulatory compliance, facilitates cross-border sourcing, and aligns with common industry requirements for industrial electrical protection devices.
Note that the unit is a four-pole MCCB of the LG frame and ships without terminals, so termination accessories must be selected to fit your panel design. Dimensions are approximately 4.09 in L x 7.22 in H x 7.22 in W, with a weight around 19.6 lb. This supports straightforward integration into standard control panels.
By combining precise DIGITRIP electronics with high interrupt ratings and HACR compatibility, LGU440033W minimizes nuisance trips and enables selective coordination. This reduces downtime, improves protection accuracy for motors and process equipment, and lowers lifecycle maintenance costs through dependable long-term performance in industrial environments.