Eaton LW3500D09 Molded Case Circuit Breaker - 45 kAIC

Part Number: LW3500D09
LW3500D09
Manufacturer
Eaton
Part number
LW3500D09
Category

Quick Summary

The Eaton LW3500D09 molded case circuit breaker delivers reliable overcurrent protection for electrical distribution panels in industrial facilities. Designed to minimize nuisance trips and downtime, it supports straightforward replacement and coordination with existing protection schemes. It carries IEC Rated certification and is a World-class, metric-mount unit suited for global installations. With a 500 A rating, 690 Vac / 250 Vdc, and a 45 kAIC interrupt rating, the LW3500D09 provides robust protection for motor feeders and power distribution, enabling safer systems, fewer faults, and faster maintenance planning.

Product Information

Extended Description

LW3500D09 Eaton: Eaton Series C complete molded case circuit breaker, L-frame, LW, Complete breaker, Interchangeable thermal-magnetic trip type, Three-pole, 500A, 690 Vac, 250 Vdc, 45 kAIC at 415 Vac, Line and load end caps, Metric, World
Product Name
Eaton Series C complete molded case circuit breaker
Catalog Number
LW3500D09
UPC
786679008782
Product Length/Depth
8.25 in
Product Height
8.25 in
Product Width
8.25 in
Product Weight
25 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
IEC Rated
Amperage Rating
500 A
Voltage rating
690 Vac, 250 Vdc
Trip Type
T207
Circuit breaker type
LW
Circuit breaker frame type
Complete breaker
Terminals
Line and load end caps
Frame
L
Class
World
Mounting hardware
Metric
Interrupt rating
45 kAIC at 415 Vac
Number of poles
Three-pole
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Feature: The LW3500D09 is a Series C complete molded case circuit breaker with an LW frame and three poles, rated at 500 A. Business impact: This combination delivers a compact, standardized protection block that reduces panel footprint, simplifies spare parts inventories, and speeds up commissioning. Application: Install in industrial distribution panels and motor control centers where reliable high-current protection is required and space is at a premium. Feature: Interchangeable thermal-magnetic trip (T207) enables field replacements and precise protection coordination. Business impact: It minimizes downtime during maintenance and upgrades, lowers total cost of ownership, and improves selectivity with upstream devices. Application: Retrofit projects and new builds where coordinated protection is essential across feeders and branch circuits. Feature: Line and load end caps and metric mounting support fast, secure wiring and easy panel integration. Business impact: Improves installation speed, reduces wiring errors, and ensures compatibility with global panel standards. Application: Global manufacturing facilities, OEM builds, and multi-region installations requiring standardized mounting hardware and end-cap configurations. Feature: 45 kAIC interrupt rating at 415 Vac, plus 690 Vac and 250 Vdc ratings, and three-pole protection. Business impact: Provides robust fault-current handling for large feeders and motors, increasing uptime and protecting downstream equipment from damaging faults. Application: Heavy-industry motor feeders, switchgear, and distribution panels in plants with high fault-current levels. Feature: IEC Rated certification and World-class frame classification, with extensive datasheets and time-current curves available. Business impact: Supports engineering validation, compliance audits, and proactive maintenance planning by giving quick access to application notes and performance curves. Application: System design reviews, training sessions, and procurement decisions across OEMs, integrators, and end-users.

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FAQs

LW3500D09 provides metric mounting hardware with line and load end caps and a three-pole configuration in the LW frame. This combination supports secure, field-serviceable connections and predictable installation across global panels. The design minimizes wiring errors and simplifies enclosure integration, making it ideal for new builds and retrofit projects in industrial facilities.
The unit is rated for 500 A continuous current, with a voltage rating of 690 Vac and 250 Vdc. It delivers a high interrupt capability of 45 kAIC at 415 Vac, supporting robust fault current protection for large feeders and motor circuits, while remaining compatible with Series C protection schemes and three-pole applications.
Yes. With a 500 A rating, 690 Vac capability, and 45 kAIC interrupt rating, the LW3500D09 is well-suited for motor feeders and distribution panels in industrial environments. Its three-pole design and interchangeability with Series C MCCBs simplify coordination, reduce downtime during maintenance, and help protect downstream equipment from fault currents.
The LW3500D09 is covered under Eaton’s warranty policy 25-000, offering one year from the date of installation or eighteen months from shipment, whichever occurs first. This warranty supports ongoing reliability for critical applications and aligns with standard industrial procurement expectations for MCCBs.
Technical data and time-current curves are available through Eaton’s specifications and datasheets for Series C MCCBs. Key resources include time-current curve documents and product selection guides, which help engineers validate protection coordination, perform commissioning checks, and support design reviews before panel fabrication.