Eaton LGH3300FAG Molded Case Breaker - 100 kAIC
Part Number: LGH3300FAG
Quick Summary
Eaton LGH3300FAG molded case breaker provides reliable overcurrent protection for main power circuits in industrial control panels. Engineers often struggle with protection coordination, space constraints, and downtime costs. This Series G LG-frame breaker is UL Listed, CSA Certified, IEC Rated, and CE Marked to support global installations. With HACR rating and 80 percent operating capability, it delivers dependable motor and line protection while simplifying panel design. Designed for OEMs and integrators, it combines robust protection with straightforward metric mounting and line/load terminals, delivering consistent performance across 50/60 Hz systems and enabling scalable protection strategies.
Product Information
Extended Description
LGH3300FAG Eaton: Eaton Series G molded case circuit breaker, LG-frame, LG, Fixed thermal, adjustable magnetic trip, Three-pole, 300A, 100 kAIC at 240 Vac, 65 kAIC at 480 Vac, 35 kAIC at 600 Vac, Line and load, Metric, 50/60 Hz, 80% rated
Product Name
Eaton Series G complete molded case circuit breaker
Catalog Number
LGH3300FAG
UPC
782116142743
Product Length/Depth
4.09 in
Product Height
5.48 in
Product Width
5.48 in
Product Weight
16 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
300 A
Trip Type
T185
Circuit breaker type
LG
Circuit breaker frame type
Complete breaker
Rating
80% rated
Series
Series G
Terminals
Line and load
Frame
LG
Frequency rating
50 to 60 Hz
Mounting hardware
Metric
Interrupt rating
35 kAIC at 600 Vac 65 kAIC at 480 Vac 100 kAIC at 240 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
Breaker service centers
Circuit Protection, Molded Case Circuit Breakers, Volume 4, Tab 2
Eaton Specification Sheet - LGH3300FAG
Eaton Specification Sheet - LGH3300FAG
Eaton Specification Sheet - LGH3300FAG
Feature: Three-pole LG-frame complete breaker provides robust three-phase protection. Business impact: Ensures reliable fault clearance for heavy-duty loads while reducing downstream trip events. Application: Industrial control panels and motor control centers requiring coordinated 3‑phase protection. Feature: Fixed thermal with adjustable magnetic trip (Trip Type T185) enables precise coordination. Business impact: Minimizes nuisance trips and optimizes selectivity for mixed-load systems. Application: Main distribution panels with mixed motor and impedance loads. Feature: 300 A amperage rating with 100 kAIC at 240 Vac, 65 kAIC at 480 Vac, and 35 kAIC at 600 Vac. Business impact: Higher fault current resilience and safer shutdown across voltages; supports international specs. Application: Plant feeders and MCCs fed from 240 Vac to 600 Vac systems. Feature: Line and load terminals with metric mounting support. Business impact: Simplifies installation, reduces wiring errors, and speeds panel assembly. Application: Retrofit or new panel builds in industrial environments. Feature: 80% rated and HACR-rated with CE, UL, CSA, and IEC certifications. Business impact: Streamlines compliance and performance verification; improves motor protection and energy efficiency. Application: Compliance-driven projects in manufacturing and processing facilities. Feature: Documentation and compatibility resources. Business impact: Access to application notes, datasheets, and quick-select guides improves design accuracy. Application: Engineering design reviews and procurement planning.
Get a Quick Quote for a Eaton LGH3300FAG
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton LGH3300FAG?
Enquire Now
FAQs
Yes. LGH3300FAG is designed for Series G Series LG-frame assemblies and supports metric mounting hardware. It uses line and load terminals for straightforward wiring, enabling quick integration into new builds or retrofits while preserving protective coordination with compatible bus and enclosure designs.
The breaker provides up to 100 kAIC at 240 Vac, 65 kAIC at 480 Vac, and 35 kAIC at 600 Vac, suitable for three-pole loads. The fixed thermal with adjustable magnetic trip (T185) enables precise coordination, reducing nuisance trips and supporting selective protection in mixed-load applications.
Ideal for industrial control panels, motor control centers, and manufacturing process equipment. Its Series G LG-frame, HACR rating, and global certifications make it suitable for automotive, chemical, food & beverage, and general manufacturing environments requiring reliable, code-compliant protection.
LGH3300FAG is UL Listed, CSA Certified, IEC Rated, and CE Marked, with HACR rating noted in catalog notes. These certifications ensure compliance with U.S., Canadian, and international standards, supporting safer operation, easier regulatory approval, and broader market eligibility.
The 25-000 warranty and Eaton’s reliable field service support reduce total cost of ownership. Its high interrupt ratings, robust mechanical design, and documented application notes help minimize downtime, improve uptime metrics, and lower maintenance costs through durable protection and straightforward diagnostics.