{"product_id":"square-d-fa360401021-circuit-breaker","title":"Square D | FA360401021 | Circuit Breaker | 40A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eSquare D delivers dependable protection with the FA360401021 circuit breaker, a precisely specified unit designed for demanding electrical environments. With a 40-amp rating across three poles and a 600V operating capacity, this breaker is built to perform in maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specs at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 40A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 600V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose this exact part matters. The FA360401021 is your best reference for compatibility in panels and systems that require a three-pole, 40A, 600V protection device. Using the precise part number helps ensure the correct physical fit, electrical ratings, and safe operation within your existing equipment.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed or worn 3-pole breaker in a 600V, three-phase panel\u003c\/li\u003e \u003cli\u003eRetrofit projects where the system demands exact 40A, 3-Pole, 600V specifications\u003c\/li\u003e \u003cli\u003eMaintenance cycles that require an OEM-referenced part for reliable performance\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhat makes it stand out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eOEM reference that reduces guesswork and mismatches during procurement\u003c\/li\u003e \u003cli\u003eConsistent 40A protection across all three poles for balanced circuit safeguarding\u003c\/li\u003e \u003cli\u003eDesign optimized for compatibility with Square D panels and installations that call for FA360401021\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical tips for a smooth purchase and installation: verify that your panel or downstream equipment is rated for 600V and supports a three-pole configuration, and always confirm fit and ratings using the FA360401021 part number before ordering. If you’re aligning a legacy panel to modern requirements, this exact 40A, 3-Pole, 600V breaker provides a reliable, specification-matched solution that minimizes compatibility risk and downtime.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426879852706,"sku":"FA360401021","price":6061.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-fa360401021-circuit-breaker-40a-3-pole-600v-163.webp?v=1789635520","url":"https:\/\/www.ampstate.com\/products\/square-d-fa360401021-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}