{"product_id":"westinghouse-lb3100-circuit-breaker","title":"Westinghouse | LB3100 | Circuit Breaker | 100A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Westinghouse LB3100 circuit breaker—a dependable 100A, 3-Pole device rated for 600V that’s ideal for maintenance, retrofit, and replacement tasks where exact specifications matter. When your panel or distribution system demands a precise, compatible 3-phase solution, the LB3100 is built to align with your existing setup and keep critical circuits protected.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 100A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReference:\u003c\/strong\u003e Part number LB3100\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this breaker stands out\u003c\/h2\u003e\n\u003cp\u003eThe LB3100 is designed to provide reliable overcurrent protection for three-phase circuits in commercial and light industrial environments. Its 3-Pole configuration supports balanced 3-phase distribution, helping to safeguard motors, relays, and other heavy-duty loads from damage due to faults or overloads. Built with compatibility in mind, this breaker is a practical, ready-to-install replacement that aligns with Westinghouse panels and other systems that specify the LB3100 reference.\u003c\/p\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eReplacing aging or failed 3-Pole breakers in commercial electrical panels that require 100A\/3-phase protection.\u003c\/li\u003e \u003cli\u003eRetrofit projects where a matching LB3100 part number ensures seamless panel compatibility.\u003c\/li\u003e \u003cli\u003eMaintenance of three-phase equipment such as HVAC units, conveyors, pumps, and manufacturing line gear wired for 600V systems.\u003c\/li\u003e \u003cli\u003eNew installations in facilities with existing Westinghouse-compatible infrastructure that require a reliable 3-phase disconnect.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eInstallation and compatibility tips\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eAlways \u003cstrong\u003econfirm fit and ratings\u003c\/strong\u003e before ordering—the part number LB3100 is the best reference for compatibility.\u003c\/li\u003e \u003cli\u003eCheck your panel labeling and catalog to ensure your system is designed for 600V and 100A 3-phase protection.\u003c\/li\u003e \u003cli\u003eEnsure the circuit breaker is wired for a true 3-Pole configuration to maintain proper phase protection.\u003c\/li\u003e \u003cli\u003eWhen in doubt, consult a licensed electrician to verify panel compatibility and safe installation practices.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat to expect after you install\u003c\/h2\u003e\n\u003cp\u003eWith the Westinghouse LB3100 in service, you’ll have a robust safeguard for three-phase loads, contributing to system reliability and safer operation of high-demand equipment. This breaker provides a straightforward, dependable solution for upgrading or maintaining your electrical distribution without overhauling your panel architecture.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46427551858850,"sku":"LB3100","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/westinghouse-lb3100-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}