{"product_id":"eaton-la3400s-circuit-breaker","title":"Eaton | LA3400S | Circuit Breaker | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eEaton LA3400S\u003c\/strong\u003e is a dependable 3-Pole Circuit Breaker designed for 3-phase electrical systems, ideal for maintenance, retrofit, and replacement projects where exact compatibility matters. Built to meet Eaton’s engineering standards, this 3-Pole breaker provides reliable overcurrent protection to keep commercial and industrial panels running smoothly.\u003c\/p\u003e \u003cp\u003eKey considerations for choosing the LA3400S:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e3-Pole design\u003c\/strong\u003e delivers solid protection for 3-phase circuits, helping prevent overloads and short circuits in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number LA3400S\u003c\/strong\u003e serves as the best reference for compatibility, making sourcing and cross-checking straightforward when you’re aligning with existing panel specs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFit, ratings, and application\u003c\/strong\u003e—confirm these before ordering to ensure a seamless replacement or retrofit. Using the correct rating ensures coordinated trip behavior and safe operation within your panel.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho benefits most from this 3-Pole circuit breaker? engineers, electricians, and maintenance teams working on commercial or industrial electrical panels that require a precise, direct-fit Eaton component. It’s particularly well-suited for retrofit projects where updating protection without extensive panel modification is a priority, as well as for stocking spare parts to minimize downtime during service windows.\u003c\/p\u003e \u003cp\u003ePractical usage scenarios:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReplacing aging or out-of-spec breakers in legacy 3-phase panels to restore reliable protection.\u003c\/li\u003e \u003cli\u003eImplementing a retrofit plan that preserves existing panel architecture while upgrading safety performance.\u003c\/li\u003e \u003cli\u003eProviding a ready-to-habitate spare for quick swap-outs during scheduled maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical guidance to maximize results: always verify the panel labeling and the required ratings, and use the LA3400S part number as the primary reference when sourcing. This approach reduces misfits and helps you achieve a clean, safe installation with minimal downtime. If you’re aligning with Eaton’s LA-series standards, the LA3400S is designed to slot into compatible panels without unnecessary modification, delivering dependable 3-pole protection when you need it most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46427248820386,"sku":"LA3400S","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\/eaton-la3400s-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}