{"product_id":"siemens-cj3b250-circuit-breaker","title":"Siemens | CJ3B250 | Circuit Breaker | 3-Pole | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens CJ3B250 3-Pole Bolt-On Circuit Breaker — a purpose-built solution for three-phase protection that’s ready to drop into compatible panels for maintenance, retrofit, or replacement projects. When exact spec matching matters, the CJ3B250 provides a reliable, straightforward path to restoring or upgrading your electrical protection without guesswork.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design:\u003c\/strong\u003e Handles three-phase circuits with a single, coordinated protective device, helping maintain balanced protection across all phases.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on mounting:\u003c\/strong\u003e Simple, secure installation with a proven mounting method that aligns with standard CJ3B-style panels and bus connections.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExact compatibility reference:\u003c\/strong\u003e The CJ3B250 part number is the best reference for ensuring you’re selecting a drop-in replacement that matches your existing specifications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSiemens build quality:\u003c\/strong\u003e Engineered by Siemens to deliver consistent performance in compatible electrical assemblies, reducing the risk of misfits and rework.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance, retrofit, and replacement:\u003c\/strong\u003e Ideal for keeping industrial and commercial electrical systems up to date, with minimal downtime and a clear path to reliable protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for facilities that require precise matching of specs, the CJ3B250 fits within the CJ3B bolt-on family, ensuring the same mounting footprint and electrical interface as your existing equipment. This makes it a practical choice for panel upgrades, retrofits, and service inventories where reliability and compatibility are paramount.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey considerations before ordering\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eConfirm that your panel accepts CJ3B bolt-on breakers and that the CJ3B250 aligns with the required current and voltage ratings for your application. The part number CJ3B250 is your most reliable reference for compatibility.\u003c\/li\u003e \u003cli\u003eCheck the current rating and any trip characteristics required by your system to ensure seamless protection alignment with your load profile.\u003c\/li\u003e \u003cli\u003eIf you’re replacing an existing unit, verify the mounting footprint and bus-bar configuration to avoid rework or mismatched connections.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re stocking spare parts for future maintenance, performing a targeted retrofit, or replacing a worn-out breaker in a three-phase panel, the Siemens CJ3B250 3-Pole Bolt-On Circuit Breaker is a dependable, purpose-built choice built to integrate smoothly with established CJ3B installations.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46424747606178,"sku":"CJ3B250","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-cj3b250-circuit-breaker-3-pole-bolt-836.webp?v=1789410550","url":"https:\/\/www.ampstate.com\/products\/siemens-cj3b250-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}