{"product_id":"square-d-mal26500-circuit-breaker","title":"Square D | MAL26500 | Circuit Breaker | 500A | 2-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eWhen your electrical distribution system demands high-capacity overcurrent protection, the Square D MAL26500 circuit breaker delivers dependable performance for demanding commercial and industrial environments. This 500A, 2-pole device is rated for 600V, making it suitable for main feeders and critical branch circuits in well-equipped panels.\u003c\/p\u003e \u003ch3\u003eKey specs at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 500 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e MAL26500\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat sets MAL26500 apart\u003c\/h3\u003e\n\u003cp\u003eUnlike generic breakers, this model is designed for compatibility with Square D panels and older installations that require the MAL26500 designation. It provides robust short-circuit protection and reliable coordination with downstream devices, helping minimize nuisance trips and repair time during maintenance cycles.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofits in existing Square D panels where 500A two-pole protection is needed\u003c\/li\u003e \u003cli\u003eMaintenance replacements to restore original performance and safety margins\u003c\/li\u003e \u003cli\u003eService entrance and large feeder circuits that require steady, high-capacity protection\u003c\/li\u003e \u003cli\u003eSpare part for critical inventory in industrial facilities and electrical contractors\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose this model for your project\u003c\/h3\u003e\n\u003cp\u003eChoosing MAL26500 aligns with your panel's original specifications, ensuring the device fits the bus assembly and mounting footprint, reducing surprises during installation. The 600V rating supports typical utility service environments, while the 2-pole design provides synchronized protection across both hot legs.\u003c\/p\u003e \u003ch3\u003eImportant compatibility and ordering notes\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility reminder:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number MAL26500 is the best reference for compatibility with your Square D panel and upstream systems.\u003c\/p\u003e \u003ch3\u003ePractical tips for installation and long-term performance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eBefore ordering, pull the panel's documentation or labeling to verify the exact series and bus compatibility; use MAL26500 as the primary cross-reference.\u003c\/li\u003e \u003cli\u003eInspect the breaker mounting hardware and spindle alignment to ensure a clean, secure connection in your panelboard.\u003c\/li\u003e \u003cli\u003eDocument the change in your maintenance log and schedule periodic checks for thermal performance and trip history to catch emerging issues early.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn practice, this MAL26500 breaker helps facility teams maintain uptime by delivering reliable protection when you need to swap in a like-for-like unit during routine service or emergency replacements.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46424422711458,"sku":"MAL26500","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-mal26500-circuit-breaker-500a-2-pole-600v-823.webp?v=1789356691","url":"https:\/\/www.ampstate.com\/products\/square-d-mal26500-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}