{"product_id":"westinghouse-la3400f-circuit-breaker","title":"Westinghouse | LA3400F | Circuit Breaker | 400A | 3-Pole | 600V | 30kA | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Westinghouse LA3400F bolt-on circuit breaker—a rugged, reliable solution for demanding 3‑phase, 600 V environments. Designed for maintenance, retrofit, and replacement, this 400 A, 3‑pole unit delivers robust overcurrent protection where uptime matters and panel compatibility is non‑negotiable.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePole configuration\u003c\/strong\u003e: 3‑Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating\u003c\/strong\u003e: 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInterrupting rating\u003c\/strong\u003e: 30 kA\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting\u003c\/strong\u003e: Bolt‑On\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Westinghouse LA3400F stands out\u003c\/h3\u003e\n\u003cp\u003eWhat sets this breaker apart is its purposeful design for field retrofit and dependable protection in real-world systems. The bolt‑on mounting simplifies installation and future service, minimizing downtime during replacements or upgrades. With a 30 kA interrupting rating, it provides solid protection against high fault currents in industrial or commercial power distributions, while the 3‑pole configuration ensures synchronized disconnection of all three phases for balanced, safe operation.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMain or feeder protection in 3‑phase commercial and industrial panels\u003c\/li\u003e \u003cli\u003e Retrofit projects where existing equipment requires a like‑for‑like 400 A, 3‑pole 600 V solution\u003c\/li\u003e \u003cli\u003eReplacement of aging breakers in maintenance workflows, minimizing compatibility risks with Westinghouse panels\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow it solves real-world problems\u003c\/h3\u003e\n\u003cp\u003eThe LA3400F is purpose-built for reliability and ease of service. Its bolt‑on design speeds on‑site installation and future maintenance, reducing labor time and panel downtime. The 400 A rating supports substantial load demands, while the 30 kA interrupting rating helps ensure rapid isolation of fault currents, protecting downstream equipment and enhancing overall system safety. This breaker is ideal for facilities that require a true, field‑proven 3‑phase protection solution without chasing aftermarket compatibility issues.\u003c\/p\u003e \u003ch3\u003eKey considerations and ordering tips\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, verify fit and ratings for your specific panel configuration. The line‑item \u003cstrong\u003eLA3400F\u003c\/strong\u003e is the best reference to confirm compatibility with matching Westinghouse panels and retrofit kits. Look for a precise match to maintain electrical performance, compliance, and warranty coverage.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eSpecification snapshot\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWestinghouse • LA3400F • Circuit Breaker • 400 A • 3‑Pole • 600 V • 30 kA • Bolt-On\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46425523978402,"sku":"LA3400F","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/westinghouse-la3400f-circuit-breaker-400a-3-pole-600v-30ka-bolt-106.webp?v=1789418931","url":"https:\/\/www.ampstate.com\/products\/westinghouse-la3400f-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}