{"product_id":"siemens-neb2b125l-circuit-breaker","title":"Siemens | NEB2B125L | Circuit Breaker | 125A | 2-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens NEB2B125L—a durable bolt-on circuit breaker engineered for reliability in commercial and industrial panels. With a 125A rating across two poles and a 600V maximum, this breaker is built to protect high-current circuits where robust performance matters most. Designed for maintenance, retrofit, and replacement projects, it offers a trusted solution when exact compatibility is essential.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eTwo-pole, 125A protection\u003c\/strong\u003e—provides synchronized interruption for multi-wire circuits that require balanced, dual-leg protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V operating capacity\u003c\/strong\u003e—suitable for demanding electrical distribution environments found in commercial and light industrial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-On mounting\u003c\/strong\u003e—delivers a secure, mechanically reliable connection in panels designed for bolt-on breakers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExact compatibility\u003c\/strong\u003e—part number NEB2B125L serves as the best reference for ensuring a proper fit in compatible Siemens installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance, retrofit, and replacement ready\u003c\/strong\u003e—a practical choice when upgrading or replacing aging protection in existing panels.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUpgrading service panels or distribution boards that require a 125A, 2-pole breaker with bolt-on mounting.\u003c\/li\u003e \u003cli\u003eReplacing a failed or aging Siemens breaker in commercial electrical rooms or industrial equipment enclosures.\u003c\/li\u003e \u003cli\u003eRetrofit projects where maintaining the exact form factor and mounting method is critical for installation continuity.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eImportant compatibility note\u003c\/strong\u003e — Before ordering, confirm fit and ratings for your panel. The NEB2B125L part number is your most reliable reference to ensure correct mounting interface and electrical specifications.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 125A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e NEB2B125L\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427063124130,"sku":"NEB2B125L","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-neb2b125l-circuit-breaker-125a-2-pole-600v-bolt-375.webp?v=1789665838","url":"https:\/\/www.ampstate.com\/products\/siemens-neb2b125l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}