{"product_id":"square-d-ma26300-circuit-breaker","title":"Square D | MA26300 | Circuit Breaker | 300A | 2-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eWhen you need robust overcurrent protection for high-demand circuits, the Square D MA26300 circuit breaker delivers. Crafted by Square D and identified by part number MA26300, this 300-amp, two-pole, 600-volt breaker is built for maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 300 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy choose the MA26300 for your panel?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Square D component designed to fit compatible panels and breakers with matching specs, minimizing compatibility surprises during installation.\u003c\/li\u003e\n\u003cli\u003eIdeal for retrofitting older service equipment or replacing a failed unit in high-current circuits that require reliable 2-pole protection at 600V.\u003c\/li\u003e\n\u003cli\u003eThe part number MA26300 is the most reliable reference when confirming fit with your panel catalog; always cross-check against your panel labeling and the manufacturer's compatibility list.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eHow this breaker solves common needs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReduces downtime by using a factory-approved replacement that matches the original breaker’s amperage, pole count, and voltage.\u003c\/li\u003e\n\u003cli\u003eSupports safer shutdowns and overcurrent protection for critical loads in commercial and light industrial environments.\u003c\/li\u003e\n\u003cli\u003eSimple replacement path for service panels that require a 300A, 2-pole, 600V protective device without redesigning wiring or bus connections.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical installation and usage tips\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBefore ordering, confirm fit with your panel by verifying the panel model, bus configuration, and the MA26300’s 2-pole, 300A, 600V rating matches the original device.\u003c\/li\u003e\n\u003cli\u003eFollow the panel manufacturer’s instructions for mounting, electrical connections, and torque specs to ensure a secure, code-compliant installation.\u003c\/li\u003e\n\u003cli\u003eStore spare breakers in a clean, dry environment to prevent corrosion or deformation of mounting points.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426424246434,"sku":"MA26300","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/square-d-ma26300-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}