Eaton LGE3400FAWX19Y1 MCCB - UL Listed, Series G LG Frame
Part Number: LGE3400FAWX19Y1
Quick Summary
Eaton Series G molded case circuit breaker is designed to protect motors and distribution circuits in industrial panels. Engineers often struggle to match LG frame breakers with correct trip characteristics and voltage ratings for demanding applications. This unit is UL Listed and HACR rated, with a 400 A rating and 600 Vac, plus an adjustable magnetic trip to tailor protection and improve coordination in control panels. Built for 50/60 Hz operation and rugged industrial environments, it integrates with standard accessories and offers line or load options for flexible installation. The result is faster commissioning, reduced downtime, and lower total cost of ownership for panel builders and end users.
Product Information
Extended Description
LGE3400FAWX19Y1 Eaton: Eaton Series G molded case circuit breaker, LG-frame, LG, Fixed thermal, adjustable magnetic trip, Three-pole, 400A, 600 Vac, 65 kAIC at 240 Vac, 35 kAIC at 480 Vac, 18 kAIC at 600 Vac, No terminals, optional line or load, 50/60 Hz
Product Name
Eaton Series G complete molded case circuit breaker
Catalog Number
LGE3400FAWX19Y1
UPC
786685954639
Product Length/Depth
4.09 in
Product Height
5.48 in
Product Width
5.48 in
Product Weight
13.5 lb
Certifications
UL Listed
Catalog Notes
LG breaker is HACR rated
Amperage Rating
400 A
Voltage rating
600 Vac
Trip Type
T185
Circuit breaker type
LG
Circuit breaker frame type
Complete breaker
Series
Series G
Terminals
Without terminals, optional line or load
Frame
LG
Frequency rating
50 to 60 Hz
Interrupt rating
35 kAIC at 480 Vac 18 kAIC at 600 Vac 65 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
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
Eaton Specification Sheet - LGE3400FAWX19Y1
Eaton Specification Sheet - LGE3400FAWX19Y1
Eaton Specification Sheet - LGE3400FAWX19Y1
Feature: LG frame Series G MCCB design. Business impact: It delivers a compact, plug-compatible solution that fits standard panel cutouts and simplifies upgrades, reducing engineering time and cabinet space. Application: Ideal for control panels and machine feeders where Series G accessories and compatibility matter. Feature: 400 A amperage rating with 600 Vac, 50/60 Hz. Business impact: Supports high inrush and continuous loads while maintaining safe, code-compliant protection. Application: Suitable for feeders and branch circuits in industrial plants and manufacturing lines. Feature: Trip Type T185 with adjustable magnetic trip and fixed thermal. Business impact: Enables precise protection and selective coordination to minimize nuisance trips. Application: Critical for motors and automation systems where setpoint accuracy improves uptime and reduces wear. Feature: Interrupt ratings 65 kAIC at 240 Vac, 35 kAIC at 480 Vac, 18 kAIC at 600 Vac. Business impact: High fault-current handling improves system safety and prevents cascading failures. Application: Electrical distribution systems with diverse fault current levels. Feature: Terminals without terminals, optional line or load; weight 13.5 lb; dimensions 4.09 in depth, 5.48 in height and width. Business impact: Flexible wiring schemes and adaptable enclosure compatibility; reduces spare lug kit requirements. Application: Panel builders can tailor installation to existing harnesses and space constraints.
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FAQs
Designed specifically for LG-frame installations, the LGE3400FAWX19Y1 is a three-pole Series G molded case breaker with an LG frame and complete MCCB architecture. It supports optional line or load terminals, fixed thermal, and adjustable magnetic protection. This ensures seamless fit in existing LG-based panels and control cabinets while maintaining UL Listed compliance and straightforward accessory compatibility for fast deployment.
The LGE3400FAWX19Y1 uses fixed thermal protection with adjustable magnetic trip (T185) to tailor response for motor loads and feeders. It is rated at 400 A and 600 Vac (50/60 Hz). Fault-current ratings are 65 kAIC at 240 Vac, 35 kAIC at 480 Vac, and 18 kAIC at 600 Vac, enabling robust protection against high‑fault events across standard industrial systems.
Yes. The three-pole LG-frame MCCB is designed for 50/60 Hz operation and 600 Vac service, making it a suitable choice for control panels and motor feeders in industrial environments. Its adjustable magnetic trip allows selective protection for motors with high inrush, while the fixed thermal element handles steady thermal loads. Use in panels requiring Series G LG compatibility and UL HACR compliance.
This MCCB carries UL Listed certification and is HACR rated, aligning with building and electrical safety standards for motor control and distribution panels. UL Listed ensures the device meets recognized safety requirements, while HACR rating confirms suitability for motor circuits in accordance with typical NEC/IEC guidelines. 50/60 Hz operation further supports universal industrial compatibility.
Multiple Eaton resources support installation and optimization, including application notes on terminations, brochures for plug-in adapters, and specification sheets. The downloads cover tap rules, multi-wire terminals, and selective coordination, helping engineers shorten commissioning, improve reliability, and reduce spare parts. Access these assets to verify compatibility with LG-frame MCCB components, streamline panel design, and realize faster return on investment.