{"product_id":"la36400","title":"Square D LA36400 - 400A, 3-Pole, Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D LA36400—a rugged 400A, 3-pole circuit breaker designed to safeguard your most critical electrical infrastructure. Built for industrial reliability, this unit delivers dependable overcurrent protection in panelboards, switchboards, and control panels where uninterrupted performance matters.\u003c\/p\u003e \u003cp\u003eThe 3-pole configuration ensures all three phases disconnect together, delivering balanced protection for three-phase feeders and dramatically reducing the risk of phase imbalance that can damage motors and downstream equipment. With a robust 400A current rating, the LA36400 is well-suited for high‑demand distribution circuits found in commercial facilities, manufacturing environments, and OEM applications where strong, decisive protection is essential.\u003c\/p\u003e \u003ch3\u003eKey advantages\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 400A—capable of handling heavy feeders without frequent trips\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole configuration for true three-phase protection\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProtection type:\u003c\/strong\u003e Overcurrent protection to guard against overloads and short circuits\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication versatility:\u003c\/strong\u003e Ideal for panelboards, switchboards, and motor control centers\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliability:\u003c\/strong\u003e Backed by Square D’s reputation for durable, dependable electrical protection\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-friendly:\u003c\/strong\u003e Suitable for integration into equipment and customized distribution applications\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases and who benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eFacilities engineers upgrading power distribution in manufacturing floors, warehouses, and large offices\u003c\/li\u003e \u003cli\u003eElectrical contractors provisioning new builds or retrofits for robust three-phase protection\u003c\/li\u003e \u003cli\u003eOEMs incorporating heavy-duty circuit protection into machinery and control systems\u003c\/li\u003e \u003cli\u003ePanel and MCC designers seeking reliable, easy-to-specify protection for high-current feeders\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose the Square D LA36400 in practice\u003c\/h3\u003e\n\u003cp\u003eCompared with lower-current or single‑phase breakers, the LA36400 provides coordinated, three‑phase protection essential for safe operation of motors and other heavy loads. Its robust construction is designed to endure the rigors of industrial environments, while its straightforward installation and clear labeling simplify field maintenance and replacement in distribution panels and control centers.\u003c\/p\u003e \u003ch3\u003ePractical setup tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify compatibility with your panelboard, switchboard, or MCC configuration and bus arrangement before installation\u003c\/li\u003e \u003cli\u003eConfirm wiring method and torque specifications per the panel manufacturer’s guidelines to ensure secure, reliable connections\u003c\/li\u003e \u003cli\u003eUse on-hand spares of the LA36400 for quick field replacements, minimizing downtime during maintenance\u003c\/li\u003e \u003cli\u003eLabel the breaker clearly to reflect its 400A, 3‑pole function for future service and safety audits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default","offer_id":46390604693666,"sku":"LA36400","price":1417.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_972469a6-99f1-42a9-b669-d8ba3fe7b28a.png?v=1765377722","url":"https:\/\/www.ampstate.com\/products\/la36400","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}