{"product_id":"siemens-md63b600l-circuit-breaker","title":"Siemens | MD63B600L | Circuit Breaker | 600A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens MD63B600L Circuit Breaker delivers robust, three-pole overcurrent protection for demanding electrical environments. With a 600A rating and a 600V maximum, it's built to safeguard feeders, switchgear, and distribution panels from electrical faults. Designed for maintenance, retrofit, and replacement projects where exact specifications matter, this MD63B600L keeps your system aligned with Siemens’ trusted standards.\u003c\/p\u003e \u003ch2\u003eKey benefits\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole protection\u003c\/strong\u003e ensures synchronized interruption across all phases, reducing the risk of imbalanced fault currents and protecting connected equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600A current rating\u003c\/strong\u003e supports high-load feeders and motor circuits, providing reliable protection for demanding industrial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V system compatibility\u003c\/strong\u003e covers a wide range of commercial and industrial power distributions, helping you consolidate protection under a single, proven solution.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise part reference\u003c\/strong\u003e—the MD63B600L designation is the best reference for compatibility, simplifying ordering and inventory while ensuring the right performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRetrofit and replacement ready\u003c\/strong\u003e—designed to fit common MD63-series footprints, enabling efficient upgrades or renewals with minimal downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConsistent Siemens performance\u003c\/strong\u003e—part of the MD63 family, offering predictable trip characteristics and dependable protection across installations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical specs at a glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 600 A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 600 V\u003c\/li\u003e \u003cli\u003eModel\/Part: MD63B600L\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal applications and use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eIndustrial power distribution panels requiring heavy-duty three-phase protection for large loads and motors.\u003c\/li\u003e \u003cli\u003eRetrofits or replacements in facilities where exact MD63B600L specifications are mandated to maintain system integrity.\u003c\/li\u003e \u003cli\u003eNew or upgraded data centers, manufacturing floors, and commercial electrical rooms that rely on reliable, standardized protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eCompatibility and installation notes\u003c\/h2\u003e\n\u003cp\u003eNotes: Confirm fit and ratings before ordering. The part number is the best reference for compatibility. Use MD63B600L in panels and setups designed for this form factor to ensure proper mounting, electrical clearances, and coordinating trip characteristics. Installation should be performed by a licensed electrician in accordance with local codes and manufacturer guidelines to maintain safety and warranty considerations.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427476033698,"sku":"MD63B600L","price":13140.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-md63b600l-circuit-breaker-600a-3-pole-600v-769.webp?v=1789728530","url":"https:\/\/www.ampstate.com\/products\/siemens-md63b600l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}