{"product_id":"siemens-pxd63b120-circuit-breaker","title":"Siemens | PXD63B120 | Circuit Breaker | 1200A | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens PXD63B120\u003c\/strong\u003e is a heavy‑duty 3‑pole circuit breaker designed for demanding industrial and commercial electrical distributions. With a capacity of \u003cstrong\u003e1200A\u003c\/strong\u003e and a \u003cstrong\u003e600V\u003c\/strong\u003e rating, it provides robust protection for three‑phase systems where high current control and reliable disconnects matter most.\u003c\/p\u003e \u003cp\u003eThis unit uses a \u003cstrong\u003eBolt‑On\u003c\/strong\u003e mounting style, delivering a secure, vibration‑resistant connection that’s ideal for panels and switchgear where field reliability is non‑negotiable. The three poles ensure balanced protection across all phases, helping prevent partial faults that can cascade into larger outages.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e:\n\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAmperage: \u003cstrong\u003e1200A\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003ePoles: \u003cstrong\u003e3‑Pole\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eVoltage: \u003cstrong\u003e600V\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eMounting: \u003cstrong\u003eBolt‑On\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003ePart reference: \u003cstrong\u003ePXD63B120\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this Siemens breaker stands out\u003c\/strong\u003e for retrofit, maintenance, or replacement projects:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise compatibility\u003c\/strong\u003e—the PXD63B120 part number is your fastest reference to match against the exact panel or enclosure you’re servicing. Always confirm fit and ratings before ordering to avoid downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh‑current capability\u003c\/strong\u003e—designed to handle demanding loads in industrial environments, helping keep critical equipment protected under heavy use.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt‑on installation\u003c\/strong\u003e—the bolt‑on design provides a solid mechanical connection that minimizes loosening over time, which is especially valuable in installations with vibration or frequent cycling.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree‑phase protection\u003c\/strong\u003e—the 3‑pole configuration ensures coordinated disconnection across all conductors, reducing the risk of phase imbalances and unsynchronized faults.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal applications\u003c\/strong\u003e include distribution panels in manufacturing lines, processing facilities, and large commercial or utility rooms where a 600V, 1200A, three‑pole bolt‑on solution is required. It’s especially well suited for projects that require matching Siemens components for reliability, documentation, and future serviceability.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for use\u003c\/strong\u003e:\n\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eVerify panel compatibility using the exact \u003cstrong\u003ePXD63B120\u003c\/strong\u003e reference and confirm the rated voltage and amperage match your system.\u003c\/li\u003e \u003cli\u003eDuring installation, follow standard safety procedures for de‑energizing equipment and use appropriate torque guidelines for bolt‑on mounting to ensure a secure fit.\u003c\/li\u003e \u003cli\u003eKeep documentation handy—having the part number on file accelerates ordering for replacements or retrofits and reduces the chance of mismatches.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re performing routine maintenance, upgrading legacy gear, or replacing a failed unit, the Siemens PXD63B120 delivers dependable three‑phase protection with a bolt‑on design that supports long‑term reliability in demanding environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46424750456994,"sku":"PXD63B120","price":14078.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-pxd63b120-circuit-breaker-1200a-3-pole-600v-bolt-420.webp?v=1789410948","url":"https:\/\/www.ampstate.com\/products\/siemens-pxd63b120-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}