{"product_id":"siemens-mmkt800mc3","title":"Siemens MMKT800MC3 800A 3-Pole 1000 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens MMKT800MC3 delivers robust protection for large 3-phase electrical systems. With an 800-amp rating and three poles, this 1000 V circuit breaker is built to safeguard heavy feeders, motors, and distribution panels in manufacturing environments, data centers, and commercial facilities.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number\u003c\/strong\u003e: MMKT800MC3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating\u003c\/strong\u003e: 800 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating\u003c\/strong\u003e: 1000 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose this Siemens breaker? It’s designed to fit and perform within Siemens’ ecosystem, offering reliable interruption and easy compatibility with Siemens switchgear and panel infrastructure. The 3-pole design ensures synchronized disconnection across all phases, protecting three-phase loads from unbalanced power and potential damage.\u003c\/p\u003e \u003cp\u003ePractical use cases\u003c\/p\u003e \u003cul\u003e \u003cli\u003eIndustrial power distribution: Feeding heavy machinery, conveyors, and large motors where clean, coordinated tripping is essential.\u003c\/li\u003e \u003cli\u003eThree-phase panels and switchgear: Replacement or upgrade in systems designed for Siemens MMKT series parts.\u003c\/li\u003e \u003cli\u003eData centers or commercial facilities with high-energy demands: Maintain reliability and uptime by quickly isolating faults.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhat problems does it solve?\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePrevents equipment damage from overloads and short circuits by rapidly interrupting fault currents.\u003c\/li\u003e \u003cli\u003eMinimizes downtime by providing predictable, coordinated protection across all three phases.\u003c\/li\u003e \u003cli\u003eEnhances system safety and reliability in high-voltage, high-current environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eInstallation and maintenance tips\u003c\/p\u003e \u003cul\u003e \u003cli\u003eEnsure compatibility with your panel or switchgear and service by a licensed electrician.\u003c\/li\u003e \u003cli\u003eRegular inspections of labeling and wiring connections help maintain reliable protection.\u003c\/li\u003e \u003cli\u003eKeep spare MMKT800MC3 units on hand for quick field replacements in critical power feeds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423112908962,"sku":"MMKT800MC3","price":5152.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-mmkt800mc3-800a-3-pole-1000-v-circuit-breaker-807.webp?v=1789271300","url":"https:\/\/www.ampstate.com\/products\/siemens-mmkt800mc3","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}