Eaton LGH340033W Complete LG Molded Case Breaker - 100 kAIC
Part Number: LGH340033W
Quick Summary
Eaton LGH340033W complete molded case breaker protects electrical panels in industrial automation and distribution applications. Engineers often struggle with nuisance trips, mismatched fault ratings, and integration complexity that can drive costly downtime. This UL Listed and HACR rated unit features Digitrip 310 RMS electronic LS protection for precise, fast tripping across 50/60 Hz. For panel builders and maintenance teams, its Series G LG frame, 400 A rating, and 100 kAIC at 240 V support scalable protection with straightforward installation and long-term cost savings. This combination helps streamline procurement and enable faster MTTR in critical production lines.
Product Information
Extended Description
LGH340033W Eaton: Eaton Series G molded case circuit breaker, LG-frame, LG, Digitrip 310 RMS, Electronic LS trip, Three-pole, 400A, 100 kAIC at 240 Vac, 65 kAIC at 480 Vac, 35 kAIC at 600 Vac, Without terminals, 50/60 Hz, 80% rated
Product Name
Eaton Series G complete molded case circuit breaker
Catalog Number
LGH340033W
UPC
786680187667
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.
Certifications
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
100 kAIC at 240 Vac 65 kAIC at 480 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
Plug-in adapters for molded case circuit breakers product aid
Plug-in adapters for molded case circuit breakers product aid
Plug-in adapters for molded case circuit breakers product aid
Plug-in adapters for molded case circuit breakers product aid
Plug-in adapters for molded case circuit breakers product aid
Plug-in adapters for molded case circuit breakers product aid
Plug-in adapters for molded case circuit breakers product aid
Plug-in adapters for molded case circuit breakers product aid
Plug-in adapters for molded case circuit breakers product aid
Plug-in adapters for molded case circuit breakers product aid
Plug-in adapters for molded case circuit breakers product aid
Plug-in adapters for molded case 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: LG frame three-pole design with a 400 A rating and 50/60 Hz operation provides robust protection in common distribution panels. Business Impact: The LG architecture supports compact installation with reliable thermal performance, reducing panel depth and simplifying wiring harness layouts. Application: Ideal for manufacturing lines, packaging machinery, and process controls where a high-current MCCB protects feeders and motors. Feature: Digitrip 310 RMS electronic LS trip delivers electronic overcurrent protection with precise tripping curves. Business Impact: Improves selective coordination and minimizes unnecessary outages, which translates to higher line availability and lower maintenance costs. Application: Motor feeders, pump racks, and control panels where fast fault detection is critical. Feature: Interrupt ratings of 100 kAIC at 240 Vac, 65 kAIC at 480 Vac, and 35 kAIC at 600 Vac. Business Impact: High fault current withstand ensures safe operation in arrays with diverse supply and fault scenarios. Application: Data centers, metal fabrication, and large motors. Feature: UL Listed and HACR rated, meeting essential safety and performance standards. Business Impact: Simplifies code compliance and enables broad acceptance in industrial and commercial installations. Application: Buildings, control panels, and integrated systems. Feature: Without terminals; compatible with plug-in adapters and Series G accessories. Business Impact: Reduces terminal labor, enables rapid field upgrades, and supports selective coordination with modular components. Application: Panel builders implementing scalable protection for evolving automation needs. Feature: 50/60 Hz frequency rating ensures global compatibility; 400 A rating pairs with Digitrip LS for dependable protection. Business Impact: Streamlines procurement and supply chain, enabling flexible sourcing across regions. Application: OEMs and panel shops serving international markets.
Get a Quick Quote for a Eaton LGH340033W
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 LGH340033W?
Enquire Now
FAQs
Yes. The LGH340033W is a three-pole LG-frame MCCB designed for Series G distribution panels. It installs with standard plug-in accessories and is specified as without terminals, which simplifies wiring and reduces field labor. For best results, pair with Eaton Series G adapters when upgrading existing installations.
The unit uses Digitrip 310 RMS electronic LS trip and offers interrupt ratings of 100 kAIC at 240 Vac, 65 kAIC at 480 Vac, and 35 kAIC at 600 Vac. It operates at 50/60 Hz and has an 80% rating, providing reliable protection for both motor and feeder circuits in demanding environments.
Yes. With a 400 A rating and a high interrupt capability, this complete MCCB is well-suited for motor control centers and critical feeders in manufacturing and process industries. Its selective trip characteristics help minimize downstream outages while protecting valuable equipment.
The LGH340033W is UL Listed and HACR rated, providing essential safety and performance compliance for commercial and industrial installations. These certifications support code compliance in buildings and control panels, improving acceptance across projects and regions.
Eaton provides a one-year warranty from installation or 18 months from shipment, whichever occurs first. Access to Eaton service centers and a broad catalog of application notes and technical datasheets helps with maintenance, upgrades, and long-term ROI.