{"product_id":"siemens-scjd6b400li-400a-3-pole-circuit-breaker","title":"Siemens SCJD6B400LI - 400 A, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003eSiemens SCJD6B400LI 400A, 3-Pole Molded Case Circuit Breaker — the reliable backbone for branch circuit protection in panelboards and load centers. Offered through AmpState, this 400A, three-pole unit is purpose-built for demanding commercial, light industrial, and residential installations that require steady protection against overcurrent and short circuits. \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection across varying loads and temperatures, reducing nuisance trips while maintaining fast response when a fault occurs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact molded case design\u003c\/strong\u003e maximizes panel space, making it easier to fit high-current protection into tighter enclosure footprints without sacrificing performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e designed to pair with matching Siemens panelboards and load centers, ensuring seamless integration, wiring, and field serviceability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree-pole configuration\u003c\/strong\u003e supports 3-phase systems, a common requirement for commercial and light industrial electrical distributions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecific application\u003c\/strong\u003e ideal for protecting branch circuits in panelboards and load centers, providing a reliable line of defense against overloads and short-circuit conditions.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer: Siemens\u003c\/li\u003e\n\u003cli\u003ePart Number: SCJD6B400LI\u003c\/li\u003e\n\u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e\n\u003cli\u003eAmperage Rating: 400A\u003c\/li\u003e\n\u003cli\u003eNumber of Poles: 3\u003c\/li\u003e\n\u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho is this for? Electrical contractors, facilities managers, and system integrators who design, install, or service Siemens-based electrical systems will benefits from the SCJD6B400LI’s precise trip characteristics and dependable performance. It’s well-suited for commercial spaces such as office suites, retail environments, and light industrial facilities, as well as large residential developments requiring robust three-phase protection.\u003c\/p\u003e \u003cp\u003eWhy choose this unit over generic alternatives? The combination of a thermal-magnetic trip mechanism with a compact form factor and OEM-compatible design delivers predictable protection and straightforward maintenance within Siemens ecosystem environments. That means fewer compatibility issues during installation, faster replace-and-upgrade cycles, and more consistent performance across daily operational fluctuations.\u003c\/p\u003e \u003cp\u003ePractical tips for use:\n- Verify panel compatibility with Siemens OEM load centers to ensure smooth installation.\n- Plan for 3-phase distribution needs in commercial and light industrial layouts to leverage the 3-pole configuration effectively.\n- Use as a primary or feeder protection point in panelboards where space is at a premium, thanks to the unit’s compact molded case design. \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355168690338,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-scjd6b400li-400-a-3-pole-circuit-breaker-ampstate-breakers-742.webp?v=1788737856","url":"https:\/\/www.ampstate.com\/products\/siemens-scjd6b400li-400a-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}