Eaton LW3500 Molded Case Circuit Breaker - 45 kAIC
Part Number: LW3500
Quick Summary
The Eaton LW3500 molded case circuit breaker protects industrial power circuits with reliable overcurrent control. In demanding environments, uptime is critical, and nuisance trips or difficult maintenance can cripple production; the LW3500 is designed to reduce both through a robust thermal-magnetic trip system and straightforward line-and-load installation. This Series C complete breaker carries IEC rated certification and a World-class class designation, signaling global compatibility and compliance. By pairing a 500 A rating with a 690 Vac / 250 Vdc capability, it supports diverse power architectures while enabling efficient coordination, installation, and service across facilities that rely on consistent electrical protection.
Product Information
Extended Description
LW3500 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, World
Product Name
Eaton Series C complete molded case circuit breaker
Catalog Number
LW3500
UPC
786679055847
Product Length/Depth
8.25 in
Product Height
8.25 in
Product Width
8.25 in
Product Weight
21 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
Frame
L
Class
World
Interrupt rating
45 kAIC at 415 Vac
Number of poles
Three-pole
Application of Tap Rules to Molded Case Breaker Terminals
Application of Tap Rules to Molded Case Breaker Terminals
Application of Tap Rules to Molded Case Breaker Terminals
Power metering and monitoring with Modbus RTU product aid
Power metering and monitoring with Modbus RTU product aid
Power metering and monitoring with Modbus RTU product aid
Power metering and monitoring with Modbus RTU product aid
Power metering and monitoring with Modbus RTU product aid
Power metering and monitoring with Modbus RTU product aid
Power metering and monitoring with Modbus RTU product aid
Breaker service centers
Circuit Protection, Molded Case Circuit Breakers, Volume 4, Tab 2
Circuit Breakers Explained
Circuit Breakers Explained
Series C G-Frame molded case circuit breakers time current curves
Series C G-Frame molded case circuit breakers time current curves
Series C G-Frame molded case circuit breakers time current curves
Series C G-Frame molded case circuit breakers time current curves
Series C G-Frame molded case circuit breakers time current curves
Feature → Interchangeable thermal-magnetic trip type. Business Impact → Delivers reliable selective protection, reducing unnecessary outages and enabling easier maintenance. Application → Suitable for three-pole, 500 A feeder protection in main switchboards and panelboards. Feature → Line and load terminals. Business Impact → Simplifies wiring and reduces installation time, improving field reliability. Application → Ideal for world-wide panel installations where line-load configuration is standard. Feature → Frame type L, complete breaker. Business Impact → Allows modular replacement within the Series C family, minimizing downtime during swaps. Application → Compatible with Series C G-Frame time-current curves for accurate coordination. Feature → Interrupt rating of 45 kAIC at 415 Vac. Business Impact → Supports high fault current environments, enhancing safety margins and system resilience. Application → Widely used in heavy industry and data-center protection schemes. Feature → Voltage rating 690 Vac / 250 Vdc. Business Impact → Expands applicability to AC and DC interfaces, reducing the need for multiple device types. Application → Suitable for mixed-voltage systems and multi-supply scenarios. Feature → Warranty and support. Business Impact → One-year warranty with Eaton policy supports installation confidence and post-sale service. Application → Standard procurement expectation for industrial protection devices.
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FAQs
The LW3500 is Eaton's Series C complete molded case circuit breaker rated for three-pole protection at 500 A, 690 Vac and 250 Vdc. It is used in industrial power distribution, panel boards, and switchgear where robust overcurrent protection and reliable interruption are required.
Install the LW3500 as a three-pole unit with line and load terminals aligned to the panel’s bus bars. Follow the manufacturer’s torque specs and use the Series C time-current curves for coordination. Ensure proper clearance and verify IEC rated compliance during commissioning.
The LW3500 is IEC rated and designed for world-wide use, with a Class World designation indicating global compatibility. It supports 690 Vac and 250 Vdc ratings and provides a 45 kAIC interrupt rating at 415 Vac.
T207 refers to the thermal-magnetic trip mechanism used by this MCCB. It provides coordinated short-circuit and overload protection, reducing nuisance trips and enabling selective protection in multi-device installations.
The LW3500 offers durable protection with a robust 45 kAIC rating, IEC compliance, and straightforward installation, which translates to reduced downtime, fewer unplanned outages, and predictable maintenance costs—delivering faster payback in heavy-industry and facility-scale applications.