Eaton LGU4250AAW Complete MCCB - UL Listed, Series G
Part Number: LGU4250AAW
Quick Summary
Eaton LGU4250AAW complete molded case circuit breaker protects electrical systems with adjustable thermal and magnetic trips for panel protection. Engineers often struggle with miscoordination and downtime during fault conditions; adjustable trip settings help ensure selective coordination and faster fault isolation. It is UL Listed, CSA Certified, and IEC Rated, with HACR capability to support motor control protection. As part of Eaton's Series G, LGU4250AAW delivers robust protection across 240, 480 and 600 V systems, enabling streamlined procurement and easier compliance. This combination of certifications and ratings provides a reliable foundation for safety and uptime across manufacturing lines and distribution panels. The unit's 4-pole LG frame and 250 A rating simplify panel design while preserving coordination and serviceability.
Product Information
Extended Description
LGU4250AAW Eaton: Eaton Series G molded case circuit breaker, LG-frame, LG, Adjustable thermal, adjustable magnetic trip, Four-pole, 250A, 200 kAIC at 240 Vac, 150 kAIC at 480 Vac, 65 kAIC at 600 Vac, Without terminals, 50/60 Hz, 80% rated
Product Name
Eaton Series G complete molded case circuit breaker
Catalog Number
LGU4250AAW
UPC
786685241180
Product Length/Depth
4.09 in
Product Height
7.22 in
Product Width
7.22 in
Product Weight
20 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
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
250 A
Trip Type
Adjustable thermal, adjustable magnetic
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
200 kAIC at 240 Vac 65 kAIC at 600 Vac 150 kAIC at 480 Vac
Number of poles
Four-pole
Application of Multi-Wire Terminals for Molded Case Circuit Breakers
Application of Multi-Wire Terminals for Molded Case Circuit Breakers
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 - LGU4250AAW
Eaton Specification Sheet - LGU4250AAW
Eaton Specification Sheet - LGU4250AAW
Feature: LG frame complete molded-case design with four poles and a 250 A rating. Business Impact: delivers durable, space-efficient protection with high fault-current capability for demanding environments. Application: ideal for main distribution panels and machine controls in manufacturing and process facilities. Feature: Interrupt ratings of 200 kAIC at 240 Vac, 150 kAIC at 480 Vac, and 65 kAIC at 600 Vac. Business Impact: minimizes equipment damage and downtime during short-circuit events. Application: suitable for feeders and cross‑connect applications in diverse voltages. Feature: Adjustable thermal and adjustable magnetic trip units. Business Impact: enables precise selective coordination and fault isolation across circuits. Application: IEC markets where coordinated protection is a priority; note that such trip units may not carry UL/CSA listing in some configurations. Feature: Without terminals. Business Impact: provides installation flexibility with compatible lug kits and field-term compatible accessories. Application: panel builders who need customizable terminal options. Feature: Compliance and ratings – CE Marked, UL Listed, CSA Certified, IEC Rated, HACR capable. Business Impact: reduces regulatory risk and accelerates procurement for global projects. Application: control panels meeting multiple international standards. Feature: 50/60 Hz frequency rating and 80% rated; Warranty coverage under Eaton policy. Business Impact: ensures broad compatibility and predictable maintenance cycles. Application: worldwide manufacturing sites with mixed load conditions.
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FAQs
LGU4250AAW ships Without terminals; installation requires compatible lug assemblies or terminal kits. Verify the chosen lug option matches the LG frame and four-pole configuration, follow Eaton's torque specs, and ensure proper conductor sizing to maintain current rating and fault clearance performance.
LGU4250AAW provides 200 kAIC at 240 Vac, 150 kAIC at 480 Vac, and 65 kAIC at 600 Vac. This range supports reliable fault interruption across common industrial voltages and helps minimize equipment damage during short circuits.
Yes. The unit uses adjustable thermal and magnetic trip units common in IEC markets and is HACR rated for motor protection, while remaining UL Listed and CSA Certified for broader regulatory compliance in global control panels.
LGU4250AAW is UL Listed, CSA Certified, and IEC Rated, with CE Marking. These certifications support regulatory compliance and safe integration into international control systems and machinery.
Warranty is Eaton’s policy 25-000: one year from installation or eighteen months from shipment, whichever occurs first. Eaton offers service centers and technical support to assist with installation, maintenance, and spares.