{"product_id":"siemens-p140-circuit-breaker","title":"Siemens | P140 | Circuit Breaker | 1-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the \u003cstrong\u003eSiemens P140 1-Pole Circuit Breaker\u003c\/strong\u003e — a dependable single-pole protective device purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter. Identified by the part number \u003cstrong\u003eP140\u003c\/strong\u003e, this breaker is designed to align with Siemens panels and system architectures, delivering reliable interruption and single-circuit protection when you need it most. Always confirm fit and ratings before ordering; the \u003cstrong\u003eP140\u003c\/strong\u003e part number is the most trusted reference for compatibility.\u003c\/p\u003e \u003ch3\u003eWhy this 1-Pole breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise compatibility\u003c\/strong\u003e: The \u003cstrong\u003eP140\u003c\/strong\u003e designation is your fastest path to the right unit. Use the part number as the baseline to verify that it matches your panel model and required ratings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSingle-circuit protection\u003c\/strong\u003e: As a 1-Pole breaker, it protects individual circuits with reliable performance, making it ideal for lighting runs, small-scale outlets, and other single-leg applications within Siemens systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEngineer-tested reliability\u003c\/strong\u003e: Built to harmonize with Siemens electrical architectures, helping maintain consistent protection characteristics across service life and retrofit work.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePractical for retrofits and replacements\u003c\/strong\u003e: When updating or repairing panels, using the exact part reference reduces installation risk and simplifies future maintenance checks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance tasks in commercial or industrial facilities where a Siemens panel requires a precise, single-pole replacement.\u003c\/li\u003e \u003cli\u003eRetrofit projects aiming to restore circuit protection with a unit that matches existing Siemens specifications.\u003c\/li\u003e \u003cli\u003eReplacement scenarios where the original part number is known to be \u003cstrong\u003eP140\u003c\/strong\u003e, ensuring compatibility with current panel configurations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to ensure you’re getting the right part\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eMatch the part number\u003c\/strong\u003e: Use the \u003cstrong\u003eP140\u003c\/strong\u003e reference as the primary compatibility check. The part number is the best reference for ensuring you’ve selected a correct replacement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVerify panel compatibility\u003c\/strong\u003e: Cross-check the panel model or series you’re working with and confirm that a 1-Pole breaker aligns with the intended circuit and bus configuration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConfirm ratings\u003c\/strong\u003e: In addition to the 1-Pole design, ensure the amperage and interrupting rating meet the circuit’s protection requirements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and practical tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePower down and lock out the circuit before removing or installing the breaker to maintain a safe work environment.\u003c\/li\u003e \u003cli\u003eInspect the panel’s existing breakers and bus connections to confirm a smooth swap and consistent electrical contact.\u003c\/li\u003e \u003cli\u003eKeep the replacement unit readily accessible for ongoing maintenance planning and quick future servicing.\u003c\/li\u003e \u003cli\u003eDocument the installation with the part number (\u003cstrong\u003eP140\u003c\/strong\u003e) and panel model for easy reference during next service or audit.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat to consider when choosing between options\u003c\/h3\u003e\n\u003cp\u003eWhen you’re deciding on a replacement, choose the \u003cstrong\u003eSiemens P140\u003c\/strong\u003e for environments where exact compatibility with Siemens panels is required. While many breakers may look similar, this part number anchors you to a unit designed to fit and function within Siemens systems, reducing the guesswork during maintenance, retrofit, or replacement projects.\u003c\/p\u003e \u003cp\u003eIn short, the \u003cstrong\u003eSiemens P140 1-Pole Circuit Breaker\u003c\/strong\u003e delivers targeted, reliable protection for a single circuit within Siemens installations. By prioritizing the part number and matching ratings, you simplify procurement, installation, and long-term service — helping keep electrical systems safe, compliant, and easily maintainable.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425633849506,"sku":"P140","price":167.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-p140-circuit-breaker-1-pole-959.webp?v=1789434306","url":"https:\/\/www.ampstate.com\/products\/siemens-p140-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}