{"product_id":"square-d-fal14090-circuit-breaker","title":"Square D | FAL14090 | Circuit Breaker | 90A | 1-Pole | 277V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D FAL14090 circuit breaker — a precise, reliable overcurrent protection device designed for 277V circuits. With a 90A rating and a single-pole configuration, it’s built to handle demanding loads while fitting seamlessly into standard Square D panels that accept 1-pole breakers. This part is a practical choice for maintenance, retrofit, or replacement projects where exact specifications matter.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey details at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 90 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 1-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 277 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e FAL14090\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this breaker is the right fit\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDesigned for 277V circuits commonly found in commercial lighting, elevator, or certain HVAC control applications, providing targeted protection where it’s needed most.\u003c\/li\u003e \u003cli\u003ePart number accuracy is your best reference for compatibility. The FAL14090 designation helps confirm you’re selecting the exact device required for your panel’s specifications.\u003c\/li\u003e \u003cli\u003eIdeal for retrofit and replacement projects where downstream equipment and wiring are rated for 90A, ensuring coordinated protection without over- or under-tripping risks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRetrofit an aging commercial electrical system that uses 277V circuits and requires a 90A, single-pole breaker for a dedicated branch circuit.\u003c\/li\u003e \u003cli\u003eReplace a failed 90A 277V breaker in a Square D panel with a direct, compatible substitute to minimize downtime and maintain circuit protection consistency.\u003c\/li\u003e \u003cli\u003eUpgrade or reconfigure a lighting or control circuit in a facility where exact ampere and voltage ratings are essential for safe operation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eInstallation and safety considerations\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways verify panel compatibility and ratings before ordering. The FAL14090 is designed for Square D systems that accept this 1-pole form factor.\u003c\/li\u003e \u003cli\u003eFollow proper electrical safety protocols: shut off power, test for absence of voltage, and use the correct torque and termination practices as specified by the panel manufacturer.\u003c\/li\u003e \u003cli\u003eConsider the surrounding electrical environment — 277V circuits can power lighting and equipment with particular insulation and clearance requirements; ensure conductors and enclosures meet code requirements for safe operation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Square D FAL14090 when you need a dependable, correctly rated 90A, 1-pole circuit breaker for 277V circuits. Its precise specifications and compatibility reference via the part number help you avoid guesswork and ensure a safe, reliable installation. If you’re replacing or retrofitting, this breaker offers a straightforward path to restoring proper protection in your electrical system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427224735906,"sku":"FAL14090","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-fal14090-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}