{"product_id":"siemens-mxd63h800l-800a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens MXD63H800L - 800 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens MXD63H800L is a robust 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch-circuit overcurrent and short-circuit protection in panelboards and load centers. With an 800A rating at 600V, this unit is built to interrupt substantial fault currents while maintaining reliable performance across a range of operating conditions.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting:\u003c\/strong\u003e a rigid, vibration-resistant bus connection that stays tight through equipment start-ups and daily operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit:\u003c\/strong\u003e combines precise thermal protection with instantaneous magnetic-trip response for short-circuit events, ensuring stable protection as loads vary.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design:\u003c\/strong\u003e ideal for 3-phase systems, delivering balanced protection in commercial and light industrial panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible:\u003c\/strong\u003e engineered to integrate with matching Siemens load centers and panelboards, reducing installation complexity and ensuring coordinated protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eComprehensive protection:\u003c\/strong\u003e specifically designed for branch-circuit overcurrent and short-circuit threats, helping prevent wiring damage and fire hazards.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e MXD63H800L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker (MCCB)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 800 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting style:\u003c\/strong\u003e Bolt-on\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection in panelboards and load centers\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications and practical use cases\u003c\/h3\u003e\n\u003cp\u003ePerfect for residential complexes with sizable feeder panels, small to mid-size commercial spaces such as offices or light industrial facilities, and retrofit projects where Siemens panelboards require compatible protection devices. The 800 A rating is suited for feeder and main protection in electrical rooms, while the 600 V rating covers typical building distribution equipment.\u003c\/p\u003e \u003ch3\u003eWhy this model matters for your electrical system\u003c\/h3\u003e\n\u003cp\u003eChoosing the MXD63H800L means selecting a device designed to integrate smoothly into a Siemens protection ecosystem. The bolt-on mounting improves mechanical stability in environments with vibration, while the thermal-magnetic trip ensures predictable, repeatable response across temperature and load variations. When paired with matching OEM panelboards and loadcenters, it delivers reliable coordination, easier installation, and clearer troubleshooting during commissioning and maintenance.\u003c\/p\u003e \u003cp\u003eSold by AmpState, your source for durable Siemens protection components.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355134775458,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_breaker_and_panel_f02a05bd-3dd6-462d-9156-896f8e744077.png?v=1764689523","url":"https:\/\/www.ampstate.com\/products\/siemens-mxd63h800l-800a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}