{"product_id":"siemens-jd3b250-circuit-breaker","title":"Siemens | JD3B250 | Circuit Breaker | 250A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens JD3B250 circuit breaker—a robust, high-current solution designed for 240V systems. With a 250A rating and a three-pole configuration, this bolt-on unit delivers solid overcurrent protection for demanding industrial and commercial panels. Built for maintenance, retrofit, and replacement scenarios, it’s a reliable choice when exact specifications matter.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e250A, 3-Pole, 240V configuration\u003c\/strong\u003e—orchestrates safe power distribution across three phases with clear, decisive protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-On mounting\u003c\/strong\u003e—secure, durable installation that simplifies panel retrofits and reduces vibration-related concerns in active environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number JD3B250\u003c\/strong\u003e—the precise reference to use when matching existing equipment and ensuring compatibility.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance, retrofit, or replacement\u003c\/strong\u003e—designed to slot into panels that require consistent, reliable protection without compromising layout or performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCompatibility and ordering note:\u003c\/strong\u003e Confirm fit and ratings before ordering. The JD3B250 part number is the best reference for compatibility with Siemens panels and related equipment.\u003c\/p\u003e \u003ch3\u003eIdeal for\u003c\/h3\u003e\n\u003cp\u003eMechanical rooms, data centers, manufacturing floors, and any facility-wide electrical distribution where three-phase 240V power requires dependable interruption protection at 250A. If you’re upgrading an older panel, performing a retrofit, or replacing a worn breaker, the JD3B250 is purpose-built to meet those needs with precision.\u003c\/p\u003e \u003ch3\u003eHow it solves common problems\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePrevents nuisance trips and protects equipment from overcurrent events in high-load applications.\u003c\/li\u003e \u003cli\u003eOffers a straightforward bolt-on install to minimize downtime during maintenance windows.\u003c\/li\u003e \u003cli\u003eEnsures exact compatibility through the JD3B250 designation, reducing guesswork in replacement projects.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrongamperage:\u003e 250A\u003c\/strongamperage:\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\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 JD3B250\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Circuit protection for 3-phase 240V systems\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical installation tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify that your panel is designed to accept bolt-on circuit breakers and supports a 250A rating in a 3-pole, 240V configuration.\u003c\/li\u003e \u003cli\u003ePrepare the mounting area by clearing debris and ensuring a clean, dry connection point to maintain performance and safety.\u003c\/li\u003e \u003cli\u003eFollow all local electrical codes and safety practices during retrofit or replacement work.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46424361828514,"sku":"JD3B250","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-jd3b250-circuit-breaker-250a-3-pole-240v-bolt-129.webp?v=1789344057","url":"https:\/\/www.ampstate.com\/products\/siemens-jd3b250-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}