{"product_id":"siemens-ngb2k045b-circuit-breaker","title":"Siemens | NGB2K045B | Circuit Breaker | 45A | 2-Pole | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens NGB2K045B Circuit Breaker is a purpose-built protection device rated at 45A, with a 2-Pole configuration and bolt-on mounting. Designed for maintenance, retrofit, and replacement tasks, this exact-fit breaker ensures your electrical system remains safeguarded with a trusted Siemens component.\u003c\/p\u003e \u003cp\u003eDesigned to be the precise replacement when the part number NGB2K045B is required. By choosing the exact part number, you minimize guesswork and ensure your panel accepts the device without custom adapters or modifications.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAmperage: 45A\u003c\/li\u003e \u003cli\u003ePoles: 2-Pole\u003c\/li\u003e \u003cli\u003eMounting: Bolt-On\u003c\/li\u003e \u003cli\u003ePart reference: NGB2K045B\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy it matters\u003c\/strong\u003e: In electrical panels, exact-fit breakers reduce installation time and ensure consistent protection. The NGB2K045B is positioned for fast, secure mounting in compatible Siemens panels, helping you maintain code compliance and reliable circuit protection.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal for\u003c\/strong\u003e electricians, facility managers, and DIY professionals performing panel maintenance or upgrades who need a trustworthy Siemens replacement that matches existing specs.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eUse cases\u003c\/strong\u003e include:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance on existing Siemens panels that require NGB2K045B\u003c\/li\u003e \u003cli\u003eRetrofit projects where a like-for-like 45A, 2-pole breaker is needed\u003c\/li\u003e \u003cli\u003eReplacement after a component failure to restore protected circuits quickly\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTips for ensuring a correct fit\u003c\/strong\u003e: Always verify the panel model and the ratings before ordering. The part number is the best reference for compatibility, and matching ratings (amperage and pole count) ensure proper protective performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426649133218,"sku":"NGB2K045B","price":1627.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_16d3a2fb-5d93-424c-9206-5031ec4b178f.png?v=1765492977","url":"https:\/\/www.ampstate.com\/products\/siemens-ngb2k045b-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}