Eaton LGU3500AAW Complete MCCB - UL Listed

Part Number: LGU3500AAW
LGU3500AAW
Manufacturer
Eaton
Part number
LGU3500AAW
Category

Quick Summary

The Eaton LGU3500AAW complete molded case circuit breaker protects industrial control panels by delivering reliable overcurrent protection. Engineers often grapple with selecting adjustable thermal and magnetic trips that balance nuisance trips against protection under varying loads. This LG-series unit is UL Listed and HACR rated, with 500 A at 600 Vac and interrupt ratings up to 200 kAIC at 240 Vac, 150 kAIC at 415–480 Vac. Designed for panel integration, its three-pole LG frame and without-terminal configuration simplify wiring, while the compact 5.48 in footprint supports space-constrained enclosures. This combination helps reduce maintenance costs and supports UL compliance across diverse markets while enabling precise protection for motors and feeders.

Product Information

Extended Description

LGU3500AAW Eaton: Eaton Series G molded case circuit breaker, LG-frame, LG, Adjustable thermal, adjustable magnetic trip, Three-pole, 500A, 600 Vac, 200 kAIC at 240 Vac, 150 kAIC at 415 Vac, 150 kAIC at 480 Vac, 65 kAIC at 600 Vac, Without terminals
Product Name
Eaton Series G complete molded case circuit breaker
Catalog Number
LGU3500AAW
UPC
786685241166
Product Length/Depth
5.48 in
Product Height
5.48 in
Product Width
5.48 in
Product Weight
13.5 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
Adjustable thermal, adjustable magnetic trip units are typically used in IEC markets and are not UL or CSA listed, LG breaker is HACR rated
Type
Complete breaker
Amperage Rating
500 A
Voltage rating
600 Vac
Trip Type
Adjustable thermal, adjustable magnetic
Circuit breaker type
LG
Circuit breaker frame type
Complete breaker
Terminals
Without terminals
Frame
LG
Interrupt rating
200 kAIC at 240 Vac 65 kAIC at 600 Vac 150 kAIC at 415 Vac 150 kAIC at 480 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 NG and ND-Frame molded case circuit breakers NG and ND-Frame molded case circuit breakers
Feature: Adjustable thermal and magnetic trip. Business Impact: Enables precise coordination with load profiles, reducing nuisance tripping and extending equipment life. Application: Motor feeders and critical loads in automation panels benefit from smoother startup and protected runtimes. Feature: LG frame three-pole design. Business Impact: Handles larger three-phase circuits with robust interrupt capability, simplifying panel layouts and improving space efficiency. Application: Main power distribution and critical feeder circuits in switchgear benefit from reliable, scalable protection. Feature: 500 A at 600 Vac with high interrupt ratings. Business Impact: Supports high-load applications with strong fault duty, minimizing system downtime and enabling safer commissioning. Application: Industrial automation and process panels requiring dependable performance under fault conditions. Feature: Without terminals. Business Impact: Reduces wiring complexity and installation time, lowers assembly costs, and improves bus bar accessibility. Application: Factory automation panels where terminal kits add cost and time. Feature: UL Listed and HACR rated. Business Impact: Ensures compliance with global electrical safety standards and motor protection requirements, easing cross-market deployments. Application: Control panels in facilities that require strict conformity to UL and motor protection guidelines. Feature: Compact dimensions (5.48 in cube) and LG frame compatibility. Business Impact: Enables compact, scalable panel designs with straightforward retrofit options. Application: OEM and service projects aiming for space savings without sacrificing performance.

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FAQs

For LGU3500AAW installations in panel assemblies, ensure proper mounting within the LG frame footprint and verify three-pole alignment for balanced phase connections. The unit is specified as without terminals, so plan for compatible lug kits or rear-terminal options as needed. Confirm clearance for 600 Vac operation and follow UL guidelines to maintain HACR compliance and fault clearance efficiency.
Key specs include a 500 A rating, 600 Vac voltage rating, and adjustable thermal and magnetic trip. Interrupt ratings are 200 kAIC at 240 Vac, 150 kAIC at 415/480 Vac, and 65 kAIC at 600 Vac. The device is UL Listed and HACR rated, with a three-pole LG frame designed for complete breaker configurations in industrial panels.
The LGU3500AAW uses adjustable trip units commonly associated with IEC markets, and Eaton provides UL Listed certification for this model, along with HACR rating. This combination supports cross-market usability while maintaining motor protection standards. If IEC-market compliance is critical, verify local requirements and maintain proper labeling for mixed-technology installations.
Without terminals, the LGU3500AAW reduces wiring complexity and material costs by allowing installer-specified terminal configurations. This can speed up field assembly, improve access to bus connections, and simplify retrofits in legacy switchgear. When paired with compatible lug kits or rear-terminals, it enables flexible integration into existing panel architectures.
Upgrading to LGU3500AAW can lower maintenance costs through longer replacement intervals, consistent protection settings, and fewer nuisance trips due to adjustable trip units. The three-pole, LG-frame design supports scalable panel layouts, reducing retrofit time. In high-demand facilities, improved reliability and faster fault isolation deliver measurable downtime reductions and better overall equipment effectiveness.