{"product_id":"siemens-jxd63m350-circuit-breaker","title":"Siemens | JXD63M350 | Circuit Breaker | 350A | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003eWhen you need reliable overcurrent protection for high-amperage circuits, the Siemens JXD63M350 circuit breaker delivers trusted performance in a bolt-on package. This 350A, 3-pole device is designed for 600V systems and is ideal for maintenance, retrofit, or replacement projects where exact specifications matter. Verified by the part number JXD63M350, it helps ensure compatibility with Siemens gear and compatible panels when upgrading or repairing heavy electrical infrastructure. \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 350A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage rating:\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\u003ePart reference:\u003c\/strong\u003e JXD63M350\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e maintenance, retrofit, replacement in industrial panels and service equipment\u003c\/li\u003e\n\u003c\/ul\u003e Why this bolt-on breaker stands out: \u003cul\u003e\n\u003cli\u003eSolid mounting provided by the bolt-on design reduces vibration and movement in demanding environments, helping longevity in panels with heavy bus bars.\u003c\/li\u003e\n\u003cli\u003eDirect part-number reference (JXD63M350) ensures you’re selecting the exact Siemens unit meant for high-current applications, minimizing the risk of mismatches during replacements or retrofits.\u003c\/li\u003e\n\u003cli\u003e600V class protection suits a range of industrial power distribution needs, from process automation to large motor drives.\u003c\/li\u003e\n\u003c\/ul\u003e Ideal use cases \u003cp\u003eDesigned for scenarios where you need a reliable, high-current trip device, this breaker is well suited for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIndustrial control panels and switchgear requiring a 350A, 3-pole solution\u003c\/li\u003e\n\u003cli\u003eRetrofits where existing equipment uses bolt-on Siemens breakers in 600V systems\u003c\/li\u003e\n\u003cli\u003eMaintenance replacements to restore original protection levels in aging panels\u003c\/li\u003e\n\u003c\/ul\u003e Installation and compatibility tips \u003cp\u003eBefore placing an order, confirm that your panel is compatible with bolt-on Siemens breakers and uses the JXD63M350 family. When installing, follow manufacturer torque specs and ensure proper conductor sizing and clean contacts for reliable operation. Because panel configurations vary, always verify fit and ratings using the part number as the primary reference.\u003c\/p\u003e With Siemens behind the protection, you’re choosing a component built to meet the demands of high-current electrical systems. The JXD63M350 350A, 3-Pole, 600V bolt-on circuit breaker offers a dependable path to keep your machines running and your power distribution safe.\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427480490146,"sku":"JXD63M350","price":5856.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-jxd63m350-circuit-breaker-350a-3-pole-600v-bolt-460.webp?v=1789728982","url":"https:\/\/www.ampstate.com\/products\/siemens-jxd63m350-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}