{"product_id":"westinghouse-la3100pr-circuit-breaker","title":"Westinghouse | LA3100PR | Circuit Breaker | 100A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Westinghouse LA3100PR circuit breaker — a genuine 3-pole, 100-amp protection device crafted for reliability in demanding electrical panels. With a 600V rating, it’s designed to safeguard three-phase systems while delivering consistent performance in maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 100 A\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 LA3100PR\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Confirm fit and ratings before ordering. The LA3100PR part number is the best reference for compatibility.\u003c\/p\u003e \u003ch3\u003eWhy this Westinghouse breaker matters\u003c\/h3\u003e\n\u003cp\u003eChoosing the LA3100PR means selecting a replacement that aligns precisely with your panel’s design and circuitry. The 3-pole arrangement supports three-phase protection, which is essential in commercial and industrial environments where balanced distribution and reliable interruption of fault current are critical. The 100 A rating makes it suitable for mid-range loads, providing protection without unnecessary tripping on normal operation.\u003c\/p\u003e \u003cp\u003eThis breaker is ideal for:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance scenarios where you need a dependable, exact-spec replacement.\u003c\/li\u003e \u003cli\u003eRetrofit projects that must match existing panel layouts and trip characteristics.\u003c\/li\u003e \u003cli\u003eReplacement in panels that require a Westinghouse LA3100PR-compatible component to maintain system integrity.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical guidance for use\u003c\/h3\u003e\n\u003cp\u003eTo ensure a trouble-free installation, verify that your panel’s labeling corresponds to 100A, 3-Pole, and 600V ratings and that the part number matches LA3100PR. This minimizes compatibility risk and helps preserve the panel’s protective coordination.\u003c\/p\u003e \u003col\u003e \u003cli\u003ePower down the service and lock out all sources before handling equipment.\u003c\/li\u003e \u003cli\u003eCross-check the panel’s documentation or labeling to confirm LA3100PR compatibility.\u003c\/li\u003e \u003cli\u003eInstall the breaker according to manufacturer guidelines and local electrical codes.\u003c\/li\u003e \u003cli\u003eTest the circuit under controlled conditions to verify proper operation and trip response.\u003c\/li\u003e\n\u003c\/ol\u003e \u003cp\u003eDesigned for professionals who value precision and dependable protection, the Westinghouse LA3100PR delivers peace of mind in everyday panel maintenance and in upgrades that require an exact spec match. If your project calls for a genuine 100A, 3-pole, 600V breaker with a clear reference point for compatibility, this is the model to choose. \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46424368119970,"sku":"LA3100PR","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/westinghouse-la3100pr-circuit-breaker-100a-3-pole-600v-860.webp?v=1789344966","url":"https:\/\/www.ampstate.com\/products\/westinghouse-la3100pr-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}