Eaton LGH340033GC Series G Complete MCCB - UL Listed
Part Number: LGH340033GC
Quick Summary
Eaton LGH340033GC complete molded case circuit breaker protects electrical distributions in industrial panels and equipment. This rugged, three‑pole device is designed for dependable protection in demanding environments, helping reduce unplanned downtime and costly equipment damage. It carries UL Listed, CSA Certified, and IEC Rated certifications with CE marking, ensuring cross‑border compliance and safer operation across facilities. With Digitrip 310 RMS electronic LS trip and 100% rated performance, it supports precise coordination and reliable protection for 400 A feeders. In practice, this MCCB simplifies panel design, installation, and spare parts planning while delivering scalable protection for growing industrial loads.
Product Information
Extended Description
LGH340033GC Eaton: Eaton Series G molded case circuit breaker, LG-frame, LG, Complete breaker, Digitrip 310 RMS, Electronic LS trip, Three-pole, 400A, 100 kAIC at 240 Vac, 65 kAIC at 480 Vac, 35 kAIC at 600 Vac, Line and load, 50/60 Hz, 100% rated
Product Name
Eaton Series G complete molded case circuit breaker
Catalog Number
LGH340033GC
UPC
786685004143
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
T167
Circuit breaker type
LG
Circuit breaker frame type
Complete breaker
Rating
100% rated
Series
Series G
Terminals
Line and load
Frame
LG
Frequency rating
50 to 60 Hz
Interrupt rating
65 kAIC at 480 Vac 100 kAIC at 240 Vac 35 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
Eaton Specification Sheet - LGH340033GC
Eaton Specification Sheet - LGH340033GC
Eaton Specification Sheet - LGH340033GC
Feature → Business Impact → Application: The LGH340033GC uses a 400 A LG-frame complete breaker design, delivering high current capability with compact footprint for panel optimizations. Business impact: enables tighter panel layouts and reduced enclosure size, lowering installed cost and improving serviceability in control panels. Application: industrial machinery, packaging lines, and process control cabinets benefit from space‑efficient protection without compromising safety. Feature → Business Impact → Application: Digitrip 310 RMS electronic LS trip provides precise overcurrent protection and selective coordination. Business impact: minimizes nuisance trips and accelerates fault isolation, improving uptime and lifecycle costs. Application: motor feeders and power distribution networks in manufacturing facilities. Feature → Business Impact → Application: 100% rated performance at 50–60 Hz with line and load terminals supports reliable operation under standard power conditions. Business impact: consistent protection across utilities and equipment, reducing risk of arcing faults and equipment damage. Application: control panels, switchgear, and processing lines. Feature → Business Impact → Application: High interrupt ratings—100 kAIC at 240 VAC, 65 kAIC at 480 VAC, 35 kAIC at 600 VAC—offer robust fault current handling. Business impact: enhances safety margins and reduces downstream damage during short circuits. Application: large motors, presses, and conveyor systems. Feature → Business Impact → Application: HACR rating, CE Mark, UL Listed, CSA Certified, and IEC rated certifications support global deployment. Business impact: lowers certification costs and speeds time‑to‑market for multi‑site installations. Application: international machinery builds and OEM integrations.Feature → Business Impact → Application: 3‑pole LG frame with line and load terminals simplifies installation and wiring. Business impact: reduces wiring errors, speeds commissioning, and improves maintenance accessibility. Application: panel boards and control enclosures in industrial facilities.
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FAQs
LGH340033GC is a three-pole, 400 A complete molded case breaker built on the Series G LG frame. It uses line and load terminals for straightforward installation in standard 3‑pole panels and control enclosures, enabling snap‑in fitment and consistent coordination with other Series G devices. Ensure panel is rated for 50/60 Hz operation and verify clearance around the device for proper terminal access.
Key specs include a 400 A amperage rating, 100% rated at 50–60 Hz, and trip type T167 with Digitrip 310 RMS electronic LS trip. Interrupt ratings are 100 kAIC at 240 VAC, 65 kAIC at 480 VAC, and 35 kAIC at 600 VAC. It is HACR rated and UL Listed, CSA Certified in IEC rated environments, suitable for global deployment.
Yes. The three‑pole LG frame complete breaker is designed for motor feeders and control panel protection. Its Digitrip electronics support selective coordination with adjacent devices, aiding motor startup protection and fault isolation. Its line/load configuration and 400 A rating make it a practical choice for mid‑sized industrial feeders and panel boards.
The LGH340033GC carries UL Listed, CSA Certified, and IEC Rated certifications, plus CE Marking. These certifications support global manufacturing and installation across major markets, reducing compliance risk and streamlining cross‑border project approvals.
Warranty follows Eaton policy 25-000, one year from installation or eighteen months from shipment, whichever occurs first. For service continuity, refer to Eaton application notes and datasheets linked in the product downloads for installation guidance, torque specs, and terminal tapping recommendations.