{"product_id":"square-d-a1l3100-circuit-breaker","title":"Square D | A1L3100 | Circuit Breaker | 100A | 3-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eSquare D A1L3100 is a reliable 100 Amp, 3-Pole, 240V circuit breaker designed for dependable protection in commercial and industrial electrical systems. Built for maintenance, retrofit, and replacement projects, this unit ensures you can restore or upgrade power distribution without compromising on safety or compatibility.\u003c\/p\u003e \u003ch3\u003eWhy this breaker matters\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact specifications you can trust:\u003c\/strong\u003e Amperage 100A, 3-Pole configuration, 240V operation align with common three-phase distribution needs, helping protect motors, feeders, and panel circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBest reference for compatibility:\u003c\/strong\u003e The part number A1L3100 is the most reliable guide to fitment in Square D panels and related enclosures.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEasy maintenance and retrofit:\u003c\/strong\u003e When a switchgear or panel is due for an upgrade or part replacement, this breaker slots in where a 100A, 3-pole, 240V device is specified, reducing downtime and search effort.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 100A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 240V\u003c\/li\u003e \u003cli\u003ePart number reference: A1L3100\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofits in legacy Square D panels that require a 3-Pole, 240V protection device.\u003c\/li\u003e \u003cli\u003eReplacement for a failed or tripped 100A circuit breaker in multi-phase electrical systems.\u003c\/li\u003e \u003cli\u003eMaintenance scenarios where panel reconfiguration or upgrading feeders demands precise matching specifications.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical guidance for deployment\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings against your panel’s labeling. Since part number accuracy is the strongest compatibility indicator, compare A1L3100 to the panel’s approved parts list. Ensure your installation aligns with all safety and electrical standards relevant to your project.\u003c\/p\u003e \u003cp\u003eWith the Square D A1L3100, you get a purpose-built, compatible solution for 100A, 3-Pole, 240V protection that supports efficient maintenance, thoughtful retrofitting, and reliable replacements in demanding electrical environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427297808546,"sku":"A1L3100","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-a1l3100-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}