{"product_id":"siemens-kp3b120-circuit-breaker","title":"Siemens | KP3B120 | Circuit Breaker | 1200A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens KP3B120\u003c\/strong\u003e is a heavy-duty, three-pole circuit breaker engineered for demanding industrial power systems. With a robust 1200A rating at 600V, it delivers trusted, coordinated protection for multi‑phase electrical distributions, retrofit projects, and equipment disconnect needs.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 1200A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3‑Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReference:\u003c\/strong\u003e KP3B120\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this Siemens circuit breaker stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrongindustry-grade reliability:\u003e Siemens is known for durable protection devices that withstand tough environments, reducing unplanned downtime.\u003c\/strongindustry-grade\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design for coordinated protection:\u003c\/strong\u003e Simultaneous tripping across all three phases minimizes phase imbalance and protects equipment from damage.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear compatibility guidance:\u003c\/strong\u003e The part number KP3B120 serves as the best reference for compatibility, ensuring a precise match for upgrade, maintenance, or replacement projects.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eRetrofits and replacements in industrial panels that require high-current, 3‑phase protection\u003c\/li\u003e \u003cli\u003eNew installations where a 600V, 3‑pole breaker is specified for large machinery, pumps, or HVAC systems\u003c\/li\u003e \u003cli\u003eMaintenance projects in manufacturing facilities where reliability and quick part identification matter\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eImportant compatibility notes\u003c\/h2\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings against your panel schedule. Use the KP3B120 part number as the primary compatibility reference to ensure the device matches the required interrupt rating, pole configuration, and mounting footprint.\u003c\/p\u003e \u003ch2\u003ePractical considerations and installation tips\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003ePower down and lockout\/tagout the circuit before service.\u003c\/li\u003e \u003cli\u003eVerify bus bar alignment and mounting compatibility with existing enclosures to avoid installation delays.\u003c\/li\u003e \u003cli\u003eFollow manufacturer wiring diagrams and local electrical codes during replacement or retrofit.\u003c\/li\u003e \u003cli\u003eStore unused units in their packaging to prevent contamination or damage to internal contacts.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat you’ll gain\u003c\/h2\u003e\n\u003cp\u003eWith the Siemens KP3B120, you’re choosing a high-current, three-phase protection solution that supports reliable operation across demanding industrial environments. It’s a precise fit for projects where exact specifications matter and downtime is costly, offering clear documentation, robust performance, and a straightforward path to compliance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427249410210,"sku":"KP3B120","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/siemens-kp3b120-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}