{"product_id":"westinghouse-la3400pr-400a-3p-600v-circuit-breaker","title":"Westinghouse LA3400PR 400A 3P 600V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Westinghouse LA3400PR 400A 3P 600V Circuit Breaker is engineered for reliable overcurrent protection in panelboards, load centers, and distributed electrical systems. Designed for direct part-number matching, this model is a smart choice for maintenance teams, panel builders, and spare inventories where exact compatibility matters.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Westinghouse\u003c\/li\u003e \u003cli\u003ePart Number: LA3400PR\u003c\/li\u003e \u003cli\u003eAmperage: 400 A\u003c\/li\u003e \u003cli\u003ePoles: 3\u003c\/li\u003e \u003cli\u003eVoltage Rating: 600 V\u003c\/li\u003e \u003cli\u003eApplications: Circuit protection in panelboards, load centers, and electrical distribution networks\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact match for Westinghouse LA-series panels:\u003c\/strong\u003e The LA3400PR is designed to slot into existing Westinghouse configurations with minimal modification, reducing downtime during replacements or upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRobust 3-phase protection:\u003c\/strong\u003e The 3-pole design supports balanced 3-phase systems, ensuring reliable protection across commercial and industrial environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-capacity protection:\u003c\/strong\u003e With a 400 A rating, it supports substantial load centers and distribution panels without compromising safety.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600 V versatility:\u003c\/strong\u003e Suitable for a wide range of commercial, manufacturing, and utility-style applications that require dependable circuit interruption at higher voltages.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a blown or aging breaker in Westinghouse panelboards and load centers where a direct part-number match is essential\u003c\/li\u003e \u003cli\u003eStocking spare inventory for maintenance teams to cut downtime during service calls\u003c\/li\u003e \u003cli\u003eSpecifying for new installations in 3-phase, 600V distribution setups that demand robust, plug-and-play protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation notes\u003c\/h3\u003e\n\u003cp\u003eTo ensure a seamless fit, verify that your panelboard or distribution panel is compatible with LA-series breakers and that the LA3400PR matches the required part number for your configuration. This unit is specifically selected for direct part-number compatibility with Westinghouse systems, helping you maintain consistent protection across your network.\u003c\/p\u003e \u003ch3\u003eAmpState availability and support\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eAmpState\u003c\/strong\u003e offers the Westinghouse LA3400PR in stock. Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.\u003c\/p\u003e \u003ch3\u003ePractical tips for best results\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eBefore replacement, de-energize and lock out the circuit; follow all local electrical codes and safety procedures.\u003c\/li\u003e \u003cli\u003eCross-check the panel’s label to confirm the LA3400PR is the correct model for your exact panelboard or load center.\u003c\/li\u003e \u003cli\u003eIf you’re unsure about fit, rely on AmpState’s compatibility guidance to avoid mismatches and unnecessary downtime.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46412384469154,"sku":"LA3400PR","price":5241.0,"currency_code":"CAD","in_stock":true}],"url":"https:\/\/www.ampstate.com\/products\/westinghouse-la3400pr-400a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}