{"product_id":"square-d-qo3125sl-125a-3p-240v-circuit-breaker","title":"Square D QO3125SL 125A 3P 240V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D QO3125SL is a 125 A, 3-pole, 240 V circuit breaker designed for reliable circuit protection in panelboards, load centers, and electrical distribution systems. It’s a smart pick for maintenance teams, panel builders, and spare inventory where a direct part-number match matters, and AmpState makes it easy to source the exact part you need.\u003c\/p\u003e \u003cp\u003eBuilt to integrate with the Square D QO-series ecosystem, the QO3125SL delivers predictable tripping performance and straightforward replacement in existing installations. By matching a precise part number, you minimize downtime and reduce the risk of compatibility issues during maintenance or upgrades.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e QO3125SL\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 125 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e AmpState\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePanelboards and load centers in commercial and light industrial settings requiring 125 A protection on three-phase 240 V circuits\u003c\/li\u003e \u003cli\u003eSpare-inventory for field service, ensuring quick replacements with exact part-number compatibility\u003c\/li\u003e \u003cli\u003eMaintenance planning and panel upgrades where a direct fit minimizes installation risk and downtime\u003c\/li\u003e \u003cli\u003eNew builds that rely on a proven Square D QO-series protection strategy\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this matters for your project\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact fit, fewer compatibility concerns:\u003c\/strong\u003e Using the precise QO3125SL part-number reduces mis-orders and speeds service calls.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable protection for 3P 240V systems:\u003c\/strong\u003e Appropriate for distributing power safely across three hot legs in a panel.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEfficient sourcing through AmpState:\u003c\/strong\u003e Clear part identification and straightforward purchasing support help your project stay on schedule.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNeed help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.\u003c\/p\u003e \u003cp\u003eSecure this 125 A, 3-pole, 240 V Square D QO3125SL circuit breaker from AmpState today to ensure accurate protection for your distribution system and smooth maintenance planning.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410863771810,"sku":"QO3125SL","price":10.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-qo3125sl-125a-3p-240v-circuit-breaker-ampstate-breakers-615.webp?v=1788979772","url":"https:\/\/www.ampstate.com\/products\/square-d-qo3125sl-125a-3p-240v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}