{"product_id":"siemens-jd22m350-circuit-breaker","title":"Siemens | JD22M350 | Circuit Breaker | 350A | 2-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens JD22M350 circuit breaker delivers dependable overcurrent protection for demanding electrical panels. With a 350 A rating, 2-pole design, and 240 V operation, this bolt-on unit is built for maintenance, retrofit, and replacement projects where precise compatibility matters. Rely on Siemens engineering to safeguard critical circuits while supporting streamlined field service.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 350 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240 V\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 JD22M350\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat sets JD22M350 apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eHeavy-duty 350 A protection for high-demand 240 V circuits, ideal for service entrances, feeders, and main distribution panels.\u003c\/li\u003e \u003cli\u003eBolt-On mounting offers secure installation in compatible Siemens panels, simplifying retrofit and replacement work without complex reconfigurations.\u003c\/li\u003e \u003cli\u003eClear part-number reliability: JD22M350 is the most trusted reference for compatibility, reducing guesswork during repairs or upgrades.\u003c\/li\u003e \u003cli\u003eDurable design built to endure industrial environments, with fast, predictable tripping behavior that minimizes downtime and protects connected equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and retrofit projects where existing bolt-on breakers must be matched to current panel specifications.\u003c\/li\u003e \u003cli\u003eReplacement of failed or aged 240 V, 2-pole breakers in commercial or light industrial electrical systems.\u003c\/li\u003e \u003cli\u003eUpgrading circuit protection in panels that require a robust 350 A capacity for larger loads or future expansion.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation notes\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eBefore ordering, confirm fit and ratings. The JD22M350 part number is the best reference for compatibility with your panel.\u003c\/li\u003e \u003cli\u003eThis unit is designed for bolt-on mounting in compatible Siemens panels and enclosures that support 2-pole, 240 V protection.\u003c\/li\u003e \u003cli\u003eUse in professional, code-compliant environments. For best results, follow all manufacturer installation instructions and consult your panel’s documentation to verify bus bar width and mounting pattern.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing the Siemens JD22M350 means investing in reliable, field-proven protection for critical electrical infrastructure. It’s the practical, exact-match solution for serious maintenance, retrofit, and replacement work—delivering consistent performance when it matters most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427067351202,"sku":"JD22M350","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a0994f42-7fad-49d1-911a-c2784022b8c9.png?v=1765492979","url":"https:\/\/www.ampstate.com\/products\/siemens-jd22m350-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}