{"product_id":"square-d-mar36800","title":"Square D MAR36800 800A 600 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D \u003cstrong\u003eMAR36800\u003c\/strong\u003e 800A 600V Circuit Breaker — a purpose-built protection device designed to keep large electrical systems safe, reliable, and running smoothly. This molded case circuit breaker (MCCB) is built for demanding industrial environments, delivering secure interruption and clear protection for high-current feeders.\u003c\/p\u003e \u003cp\u003eWith an 800-amp current rating and a 600-volt maximum rating, the MAR36800 is engineered for main service disconnects and heavy-duty distribution panels where reliable fault protection matters most. As part of Square D's trusted protection lineup, it integrates seamlessly with other Square D components to ensure consistent trip characteristics and straightforward maintenance across your facility.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePart Number: MAR36800\u003c\/li\u003e \u003cli\u003eCurrent rating: 800 A\u003c\/li\u003e \u003cli\u003eVoltage rating: 600 V\u003c\/li\u003e \u003cli\u003eType: Molded Case Circuit Breaker (MCCB) from Square D\u003c\/li\u003e \u003cli\u003eApplication: protection for large feeders and main service disconnects in industrial panels\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this MAR36800 matters\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eHigh-current protection in a compact MCCB form factor, reducing panel footprint while maintaining robust safety margins.\u003c\/li\u003e \u003cli\u003eRugged construction and reliable thermal-magnetic trip mechanism designed to handle repeated fault events without nuisance tripping.\u003c\/li\u003e \u003cli\u003eConsistent performance within Square D distribution ecosystems, making replacement and upgrades predictable and straightforward.\u003c\/li\u003e \u003cli\u003eClear labeling and standard, service-friendly terminals to simplify installation, inspection, and maintenance tasks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications and use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMain service protection in industrial facilities, warehouses, and manufacturing lines that require high-current disconnect capable of 800 A at 600 V.\u003c\/li\u003e \u003cli\u003eFeeder protection for large motors, pumps, or heavy machinery where dependable interruption is critical to prevent equipment damage and downtime.\u003c\/li\u003e \u003cli\u003eRetrofitting or expanding existing Square D panels that rely on compatible MAR-series MCCBs for consistent performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical guidance for selection and use\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eEnsure compatibility with your Square D panel and mounting configuration to maximize protection reliability and ease of replacement.\u003c\/li\u003e \u003cli\u003ePair with appropriate accessories and follow the manufacturer’s installation guidelines to maintain electrical safety and code compliance.\u003c\/li\u003e \u003cli\u003eConsider the expected fault current, distribution architecture, and maintenance plan to determine how the 800 A, 600 V MAR36800 fits into your protection scheme.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Square D MAR36800 800A 600V Circuit Breaker when you need durable, high-capacity protection that aligns with Square D’s proven reliability. It’s a strategic, long-term asset for safeguarding heavy electrical distributions and maintaining uptime across demanding environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423099900066,"sku":"MAR36800","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-mar36800","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}