{"product_id":"siemens-mxd63a800l-circuit-breaker","title":"Siemens | MXD63A800L | Circuit Breaker | 800A | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eTrusted Siemens protection for demanding electrical distributions: the MXD63A800L three-pole bolt-on circuit breaker is designed to meet replacement, retrofit, and maintenance needs where exact specs matter. This 800-amp unit delivers robust overcurrent protection in a compact bolt-on form factor, rated for up to 600 volts, making it a reliable choice for industrial panels and service disconnects.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 800A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReference:\u003c\/strong\u003e Part number MXD63A800L\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhat makes this Siemens breaker stand out? It’s purpose-built for installations where you need exact matching specs to restore original protection schemes without compromising panel compatibility. The 3-pole design ensures simultaneous interruption across all live legs, protecting equipment and operators in three-phase systems. The bolt-on mounting provides a secure, vibration-resistant connection that’s easier to service in congested panels compared with some plug-in or clamp-style alternatives.\u003c\/p\u003e \u003cp\u003eIdeal use cases include panel upgrades, equipment retrofits, and spare parts stock for ongoing maintenance programs. If you’re replacing an older Siemens breaker or refreshing a panel to meet updated current and voltage requirements, MXD63A800L is designed to align with Siemens’ engineering standards and connected protection logic.\u003c\/p\u003e \u003cp\u003eImportant note: Always confirm fit and ratings before ordering. The part number MXD63A800L is the best reference for compatibility, so cross-check this exact model with your panel’s documentation and bus configuration to ensure a seamless swap.\u003c\/p\u003e \u003cp\u003ePractical tips for a smooth installation: have your panel schema ready, verify the panel’s rated current destinations match the 800A rating, and use proper torque specs for bolt-on mounting to prevent loose connections. For ongoing reliability, pair this breaker with coordinated protective devices and follow Siemens installation guidelines for safe operation in 600V systems.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427064533154,"sku":"MXD63A800L","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a0994f42-7fad-49d1-911a-c2784022b8c9.png?v=1765492979","url":"https:\/\/www.ampstate.com\/products\/siemens-mxd63a800l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}