{"product_id":"siemens-mbkjd3a-circuit-breaker","title":"Siemens MBKJD3 A - Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens MBKJD3A molded case circuit breaker—compact, dependable protection engineered for modern panelboards and loadcenters. When branch circuits demand clear, reliable overcurrent and short-circuit protection, this MBKJD3A unit delivers consistent performance in a wide range of environments, from homes to light commercial spaces.\u003c\/p\u003e \u003cp\u003eKey to its reliability is the thermal-magnetic trip mechanism. The thermal element handles steady overloads with precision, while the magnetic element provides immediate response to high-magnitude short circuits. The result is stable, repeatable protection that minimizes nuisance trips in daily operation and keeps critical circuits safeguarded during faults.\u003c\/p\u003e \u003cp\u003eDesigned for seamless integration, the MBKJD3A is compatible with matching Siemens OEM load centers and panelboards, reducing compatibility risk and installation complexity. Its compact molded-case design helps you maximize panel space, making it a practical choice for new installations, panel swaps, or upgrades where space is at a premium.\u003c\/p\u003e \u003cp\u003eThis breaker is ideal for a broad spectrum of applications, including residential panelboards, commercial electrical rooms, and light industrial layouts where reliable circuit protection is essential. Use scenarios include protecting lighting circuits, receptacle branches, small machinery circuits, and other everyday loads where consistent protection is critical for safety and equipment longevity.\u003c\/p\u003e \u003cp\u003eWhy choose the Siemens MBKJD3A over other options? It’s built to work with Siemens panel ecosystems, ensuring predictable trip characteristics and straightforward replacement within compatible assemblies. By staying within the OEM family, you reduce the risk of mismatched trip curves or fitment issues, and you simplify maintenance and future upgrades.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e MBKJD3A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Matches Siemens OEM load centers and panelboards\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re completing a new installation, upgrading an aging panel, or ensuring reliable protection for a critical circuit, the Siemens MBKJD3A delivers precise protection, space-efficient design, and seamless integration with your Siemens electrical system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355133792418,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-mbkjd3-a-circuit-breaker-ampstate-breakers-362.webp?v=1788734072","url":"https:\/\/www.ampstate.com\/products\/siemens-mbkjd3a-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}