Eaton LGU440035W Molded Case Circuit Breaker - 150 kAIC at 480 Vac
Part Number: LGU440035W
Quick Summary
The Eaton LGU440035W molded case circuit breaker protects industrial power panels from overloads and short circuits. Engineers often struggle to coordinate protection across mixed voltages while keeping panels compact and downtime to a minimum. This LGU440035W is IEC rated, UL Listed, and CSA Certified, with CE Marked compliance to support global deployments. Its four-pole LG frame, Digitrip 310 RMS electronic LSG trip, and 80% rating deliver reliable protection for motor-driven equipment in MCCs and distributed power systems, while its compact footprint supports efficient panel design and procurement across multiple regions.
Product Information
Extended Description
LGU440035W 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, Without terminals, 50/60 Hz, 80% rated
Product Name
Eaton Series G complete molded case circuit breaker
Catalog Number
LGU440035W
UPC
786685241609
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
IEC Rated UL Listed CSA Certified
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
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
Four-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
NG and ND-Frame molded case circuit breakers
NG and ND-Frame molded case circuit breakers
NG and ND-Frame molded case circuit breakers
Feature → The Digitrip 310 RMS electronic LSG trip provides precise, fast fault detection, reducing unplanned downtime and equipment wear. Business Impact → Improves uptime and reliability in high-demand industrial lines. Application → Suitable for packaging and process lines where tight protection coordination is critical. Feature → Four-pole LG frame with a complete breaker design supports uniform protection across all phases. Business Impact → Simplifies panel layouts and improves space utilization. Application → Main feeders and multi-pole protection in motor control centers. Feature → Interrupt ratings of 200 kAIC at 240 Vac, 150 kAIC at 480 Vac, and 65 kAIC at 600 Vac ensure robust short-circuit withstand across voltages. Business Impact → Higher fault tolerance and reduced equipment damage. Application → Power distribution in mixed-voltage facilities. Feature → Without terminals terminology prompts the use of compatible lugs or terminal kits. Business Impact → Encourages proper termination practices and safer field installation. Application → OEM panel builds and retrofit projects. Feature → HACR rated with CE Marked and UL Listed certifications. Business Impact → Streamlines compliance, cross-border deployment, and supplier qualification. Application → Commercial HVAC, water treatment, and industrial machinery panels.
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FAQs
The LGU440035W is specified without terminals, so you must use compatible lugs or terminal kits per Eaton LG-series accessories. Verify lug type, torque, and conductor sizing in the accessories catalog to ensure safe, compliant terminations and proper heat dissipation in your panel.
LGU440035W provides 200 kAIC at 240 Vac, 150 kAIC at 480 Vac, and 65 kAIC at 600 Vac. This range supports robust short-circuit protection across multi-voltage installations while maintaining coordination with downstream devices.
Yes. With a four-pole LG frame, Digitrip 310 RMS electronic trip, HACR rating, and high interrupt ratings, this MCCB is well-suited for main and branch protection in MCCs, motor drives, and other motor-intensive applications.
The device is IEC Rated, UL Listed, and CSA Certified, with CE Marked compliance. These certifications support global deployment, cross-border procurement, and regulatory alignment for compliant electrical protection.
Warranty follows Eaton policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. Access to Eaton service centers and product documentation helps with maintenance, spare parts, and performance verification.