Eaton LGU4400FAG Molded Case Breaker - 200 kAIC 240V

Part Number: LGU4400FAG
LGU4400FAG
Manufacturer
Eaton
Part number
LGU4400FAG
Category

Quick Summary

LGU4400FAG is an Eaton Series G molded case breaker that provides high‑quality overcurrent protection for electrical distribution panels and motor control centers. This LG‑frame device addresses the challenge of maintaining reliable protection while keeping panel layouts compact and serviceable. It features fixed thermal with adjustable magnetic trip, a four‑pole design, and line‑and‑load terminals to simplify installation in tight spaces. With ratings of 200 kAIC at 240 VAC, 150 kAIC at 480 VAC, and 65 kAIC at 600 VAC, it supports safe operation under fault conditions. CE Marked, UL Listed, and CSA Certified with HACR rating, the LGU4400FAG meets global compliance needs. This combination delivers faster maintenance, improved reliability, and a lower total cost of ownership when paired with compatible accessories and mounting hardware.

Product Information

Extended Description

LGU4400FAG Eaton: Eaton Series G molded case circuit breaker, LG-frame, LG, Fixed thermal, adjustable magnetic trip, Four-pole, 400A, 200 kAIC at 240 Vac, 150 kAIC at 480 Vac, 65 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
LGU4400FAG
UPC
786685185118
Product Length/Depth
4.09 in
Product Height
7.22 in
Product Width
7.22 in
Product Weight
15.7 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
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
200 kAIC at 240 Vac 65 kAIC at 600 Vac 150 kAIC at 480 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 Breaker service centers Circuit Protection, Molded Case Circuit Breakers, Volume 4, Tab 2 Eaton Specification Sheet - LGU4400FAG Eaton Specification Sheet - LGU4400FAG Eaton Specification Sheet - LGU4400FAG
Feature: 400 A amperage rating and LG frame enable handling of higher loads without oversized gear. Business Impact: Simplifies panel design, reduces spare part variety, and improves protection coordination in power distribution. Application: Ideal for main feeders in control panels and industrial equipment. Long-tail keywords: molded case circuit breaker 400 A, LG frame MCCB, Series G protection, panel protection device. Feature: Fixed thermal with adjustable magnetic trip (Trip Type T185) provides precise, site‑tunable protection. Business Impact: Improves selective coordination and minimizes nuisance trips, saving maintenance time and downtime. Application: Motor control centers and process panels with variable inrush. Long-tail keywords: adjustable magnetic trip MCCB, HACR rated MCCB, trip curves for Series G. Feature: Interrupt ratings of 200 kAIC at 240 VAC, 150 kAIC at 480 VAC, 65 kAIC at 600 VAC ensure robust fault withstand. Business Impact: Enhances system safety in high‑fault environments and protects upstream equipment. Application: Heavy industrial distribution with multiple feeders. Long-tail keywords: 200 kAIC at 240 VAC, high interrupt rating MCCB, fault current protection. Feature: Line and load terminals with metric mounting hardware simplify installation and improve accessibility. Business Impact: Accelerates panel assembly and reduces commissioning risk. Application: Retrofit and new panel builds in control rooms and factories. Long-tail keywords: line and load terminals, metric mounting hardware, four‑pole MCCB. Feature: Certifications and compliance (CE Marked, UL Listed, CSA Certified) plus HACR rating ensure global acceptability. Business Impact: Streamlines procurement and compliance audits across regions. Application: Global machinery and electrical installations. Long-tail keywords: CE Marked MCCB, UL Listed MCCB, CSA Certified, HACR rated MCCB.

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FAQs

LGU4400FAG uses line and load terminals with metric mounting hardware, designed for four-pole mounting in Series G MCCB assemblies. Plan space for the LG frame footprint, ensure proper clearance for 50/60 Hz operation, and verify HACR rating compatibility with motor circuits to maintain safe, code-compliant protection.
The unit is rated for 400 A, with interrupt ratings of 200 kAIC at 240 VAC, 150 kAIC at 480 VAC, and 65 kAIC at 600 VAC. It supports 50/60 Hz operation and provides fixed thermal with adjustable magnetic trip (T185) for precise overcurrent protection.
Yes. The LGU4400FAG is HACR rated and CE marked, UL listed, and CSA certified, making it compatible with motor control circuits and compliant with industry standards for residential, commercial, and industrial installations.
It carries CE Marked compliance, UL Listed, and CSA Certified status, along with HACR rating, ensuring broad regulatory acceptance and suitability for global panel builds and equipment installations.
Eaton provides a standard warranty per policy 25-000—one year from installation or eighteen months from shipment, whichever occurs first—plus access to Eaton support centers and datasheets for service and replacement parts.