{"product_id":"square-d-997370-circuit-breaker","title":"Square D | 997370 | Circuit Breaker | 3-Pole | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D 997370 — a robust 3-Pole Bolt-On Circuit Breaker designed for dependable protection in 3-phase systems. Whether you're maintaining, retrofitting, or replacing components in an existing Square D installation, this breaker slots into compatible panels with precision and confidence.\u003c\/p\u003e \u003ch3\u003eKey features that matter in real-world use\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design\u003c\/strong\u003e delivers balanced protection across all three hot conductors in 3-phase service.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-On mounting\u003c\/strong\u003e provides a secure, vibration-resistant connection that stays put in demanding electrical environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear compatibility signal\u003c\/strong\u003e the part number 997370 is your best reference for matching fit and ratings — \u003cem\u003econfirm fit and ratings before ordering\u003c\/em\u003e.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance, retrofit, replacement ready\u003c\/strong\u003e ideal for service upgrades, panel refreshes, or component swaps in established Square D systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eDesigned for practical use and long-term reliability\u003c\/h3\u003e\n\u003cp\u003eIn real-world installations, electricians value a breaker that aligns with the panel’s design philosophy and minimizes downtime. The 3-Pole Bolt-On configuration simplifies service when upgrading from older styles or when expanding a system to support increased load. This breaker is intended for use in compatible Square D panels where a 3-pole bolt-on device is specified.\u003c\/p\u003e \u003ch3\u003eHow to ensure the best result\u003c\/h3\u003e\n\u003cp\u003eBefore purchase, verify:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eThe panel model supports a 3-Pole Bolt-On device of this type.\u003c\/li\u003e \u003cli\u003eThe intended amp rating and interrupting capacity match the protection requirements of your circuit.\u003c\/li\u003e \u003cli\u003ePhysical fit: bolt pattern and mounting location align with your panel interior.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Square D 997370, you get a purpose-built solution that aligns with your 3-phase protection strategy, reducing guesswork and ensuring a reliable, durable connection in demanding environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427302396066,"sku":"997370","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\/square-d-997370-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}