Eaton LG3450X01Y22 Molded Case Breaker - UL489

Part Number: LG3450X01Y22
Manufacturer
Eaton
Part number
LG3450X01Y22

Quick Summary

The Eaton LG3450X01Y22 Molded Case Breaker is a high-capacity protection device designed for 600 Vac power distribution in industrial facilities. Engineers often struggle with limited space, coordinating generator feeds, and maintaining consistent protection across evolving systems. UL 489, CSA C22.2 No.5, and IEC 947-2 certifications ensure safety and compliance in panel builds and critical applications. The unit's 450 A rating and 600 Vac capability support high-demand feeders while its L-frame three-pole design enables compact layouts. This Series C MCCB offers fixed thermal and magnetic trips, with optional line or load terminals, simplifying installation and procurement while delivering scalable protection for growing plants. Designed for motor loads, generators, and panel boards, it aligns with common industrial architectures.

Product Information

Extended Description

LG3450X01Y22 Eaton: Eaton Series C complete molded case circuit breaker, L-frame, Complete breaker, Fixed thermal, fixed magnetic trip type, Three-pole, 450A, 600 Vac, Optional line or load, Engine generator, Reverse feed
Product Name
Eaton Series C complete molded case circuit breaker
Catalog Number
LG3450X01Y22
UPC
782116120734
Product Length/Depth
5.48 in
Product Height
5.48 in
Product Width
5.48 in
Product Weight
16 lb
Certifications
UL 489 CSA Std. C22.2 No. 5 IEC 947-2
Amperage Rating
450 A
Voltage rating
600 Vac
Trip Type
T186
Circuit breaker frame type
Complete breaker
Series
Series C
Terminals
Optional line or load
Frame
L
Class
Engine generator
Number of poles
Three-pole
Functions
Reverse
Feature → Business Impact → Application: 450 A amperage rating and 600 Vac capability provide robust protection for high-load feeders, reducing the risk of nuisance trips during peak demand while maintaining selective coordination with upstream protection. Application: ideal for large motor drives and critical power distribution in manufacturing floors.Feature → Business Impact → Application: Trip Type T186 delivers fast, predictable fault interruption with precise time-current characteristics, improving safety margins and maintenance planning. Application: motor starting and generator set protection where coordinated protection is essential.Feature → Business Impact → Application: Optional line or load terminals offer installation flexibility, lowering wiring errors and simplifying panel wiring during upgrades or expansions. Application: retrofit projects and new installations in tight spaces.Feature → Business Impact → Application: Engine generator protection and reverse feed capability support safe, automatic transfer and generator priority, reducing downtime during outages. Application: standby power and critical-process applications in plant environments.Feature → Business Impact → Application: Certifications UL 489, CSA C22.2 No. 5, IEC 947-2 ensure compliance with global electrical standards, easing panel approvals and maintenance planning. Application: panel builds for regulated facilities and multinational projects.Feature → Business Impact → Application: Series C G-Frame complete breaker design standardizes protection across equipment, improving part availability and facilitating serviceability. Application: multi-line systems and modular panel assemblies in manufacturing and process industries.

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FAQs

LG3450X01Y22 is a Series C molded case circuit breaker with an L-frame, three-pole configuration rated at 450 A and 600 Vac. It supports optional line or load terminals, making it suitable for panelboard assemblies and modular power distribution in industrial facilities.
Key specs include 450 A amperage, 600 Vac voltage rating, Trip Type T186, Series C complete breaker, L-frame, and three poles. It is designed for fixed thermal/magnetic protection with optional line or load terminals.
Yes. The LG3450X01Y22 supports generator protection and reverse feed configurations, aligning with engine generator applications and stand-by power systems to ensure reliable transfer and safe operation during outages.
It carries UL 489, CSA Std. C22.2 No. 5, and IEC 947-2, confirming compliance with major safety and performance standards. This helps with regulatory approvals, panel certification, and consistent performance across multinational projects.
The unit is built as an L-frame three-pole device with overall dimensions of 5.48 in (L) depth, 5.48 in (H), and 5.48 in (W), and a weight of 16 lb, enabling predictable enclosure fit and mounting in standard MCCB spaces.