{"product_id":"square-d-fa34045g","title":"Square D FA34045G 45A 3-Pole 480 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003ePowerful protection for industrial-grade electrical systems, the Square D FA34045G is a 45 A, 3-pole, 480 V circuit breaker designed to guard three-phase feeders against overloads and short circuits. Built for reliability in demanding environments, it helps keep motors and heavy equipment running smoothly while reducing the risk of costly downtime.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003ePart Number:\u003c\/b\u003e FA34045G\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCurrent rating:\u003c\/b\u003e 45 A\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePoles:\u003c\/b\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVoltage rating:\u003c\/b\u003e 480 V\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eBrand:\u003c\/b\u003e Square D\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose the FA34045G\u003c\/h3\u003e\n\u003cp\u003eIn high-voltage, three-phase setups, this 3-pole breaker ensures all phases disconnect together, reducing the risk of phase imbalance and equipment damage. The 45-amp rating makes it ideal for protecting motor circuits, feeders, and heavy loads commonly found in manufacturing facilities, data centers, and large-scale HVAC installations.\u003c\/p\u003e \u003ch3\u003eIdeal applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eThree-phase motors and drives in manufacturing and processing facilities\u003c\/li\u003e \u003cli\u003eIndustrial feeders powering distribution panels with 480V service\u003c\/li\u003e \u003cli\u003eHeavy equipment circuits where reliable overload protection is critical\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat problems it solves\u003c\/h3\u003e\n\u003cp\u003eBy interrupting current on overload or fault conditions across all three phases, the FA34045G minimizes equipment wear, prevents insulation damage, and helps ensure safety standards are met in high-voltage environments.\u003c\/p\u003e \u003ch3\u003eInstallation and safety notes\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDesigned for use in compatible Square D distribution panels that accept FA-series breakers\u003c\/li\u003e \u003cli\u003eInstall by a qualified electrician following local electrical codes and panel manufacturer guidelines\u003c\/li\u003e \u003cli\u003eVerify wiring and conductor sizing align with a 45 A protective device and 480 V system requirements\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTips for optimal use\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eKeep a spare FA34045G on hand for rapid replacement in routine maintenance to minimize downtime\u003c\/li\u003e \u003cli\u003eRecord trip history to anticipate preventive maintenance and prevent nuisance trips\u003c\/li\u003e \u003cli\u003eStore in a dry, clean environment and handle with care to preserve the integrity of the trip mechanism\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423110680738,"sku":"FA34045G","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-fa34045g-45a-3-pole-480-v-circuit-breaker-986.webp?v=1789270991","url":"https:\/\/www.ampstate.com\/products\/square-d-fa34045g","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}