{"product_id":"square-d-mg24518","title":"Square D MG24518 3A 2-Pole 277 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D MG24518 3A 2-Pole 277 V Circuit Breaker delivers precise, dependable protection for commercial electrical systems that run on a 277-volt supply. With a 3 amp current rating and a 2-pole design, this MG24518 is built to guard branch circuits against overloads while fitting neatly into standard Square D panel configurations.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eCurrent rating: 3 A\u003c\/li\u003e \u003cli\u003ePoles: 2\u003c\/li\u003e \u003cli\u003eVoltage rating: 277 V\u003c\/li\u003e \u003cli\u003ePart number: MG24518\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e277 V lighting and small-load circuits in commercial settings such as offices, retail spaces, and warehouses\u003c\/li\u003e \u003cli\u003eRetrofits or replacements for MG-series panels where compact, reliable protection is required\u003c\/li\u003e \u003cli\u003eLow-draw control circuits that demand dependable interruption to prevent faults from propagating\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters: a dedicated 3 A, 2-pole protection device helps prevent nuisance trips on light-load circuits while maintaining fast, predictable fault interruption when needed. The MG24518 is designed to integrate with Square D distributions, offering consistent performance, easy replacement in compatible panels, and straightforward maintenance without sacrificing reliability.\u003c\/p\u003e \u003cp\u003ePractical benefits you’ll notice in daily operation include reduced downtime from unexpected outages, safer fault isolation for technicians, and a clear upgrade path for 277 V electrical distributions that require precise current-limiting protection. The MG24518 is a purposeful choice for building systems that rely on stable, lightly loaded 277 V circuits, delivering targeted protection where it matters most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423157735586,"sku":"MG24518","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/square-d-mg24518","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}