{"product_id":"siemens-ngb2b125l-circuit-breaker","title":"Siemens | NGB2B125L | Circuit Breaker | 125A | 2-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens NGB2B125L circuit breaker—a precise, reliable solution built to protect your electrical feeders with a 125-amp, 2-pole configuration at a robust 600V. Designed for maintenance, retrofit, and replacement scenarios, this unit ensures you can restore and maintain safety and continuity in demanding panels without unnecessary downtime.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\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\n\u003c\/ul\u003e \u003ch3\u003eWhy choose the Siemens NGB2B125L\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrong proven compatibility via part reference:\u003e The part number NGB2B125L is your most reliable guide for matching this breaker to the right panel and electrical system.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong targeted for professional maintenance and upgrades:\u003e Ideal for retrofit projects, replacements, and service upgrades where exact specifications are required.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong trustworthy siemens engineering:\u003e Built for durable protection in commercial and light industrial environments, helping you minimize unplanned outages.\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong two-pole protection:\u003e Simultaneous protection of both conductors in a shared-circuit setup, promoting safer, more stable operation.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofitting older panels that require a 125A, 2-pole, 600V breaker to restore protection and compliance.\u003c\/li\u003e \u003cli\u003eSpare or replacement part for critical feeders in commercial installations where uptime matters.\u003c\/li\u003e \u003cli\u003eMaintenance projects aiming to match exact Siemens specifications for seamless compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eImportant compatibility note\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings for your specific panel or distribution system. The NGB2B125L part number is the best reference to ensure you’re selecting an exact match for successful installation and reliable operation.\u003c\/p\u003e \u003ch3\u003ePractical guidance for installation and selection\u003c\/h3\u003e\n\u003cp\u003eWhen integrating this breaker, verify that the panel’s load requirements align with a 125A, 2-pole, 600V rating. Ensure proper seating and alignment within the bus bar and enclosure, and follow standard electrical safety practices during installation. If you’re replacing a failed unit, compare the existing breaker’s form factor and terminal type to the NGB2B125L to avoid compatibility gaps.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46426491682978,"sku":"NGB2B125L","price":2010.0,"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-ngb2b125l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}