{"product_id":"siemens-jxd63h400-400a-480v-3-pole-bolt-on-circuit-breaker","title":"Siemens JXD63H400 - 400 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens JXD63H400 by AmpState — a 400A, 480V, 3-pole bolt-on molded case circuit breaker built to safeguard branch circuits with precision in panelboards and loadcenters.\u003c\/p\u003e \u003cp\u003eDesigned for reliability in demanding environments, this unit uses \u003cstrong\u003esecure bolt-on mounting\u003c\/strong\u003e to deliver a rigid, \u003cstrong\u003evibration-resistant\u003c\/strong\u003e connection to the bus. The \u003cstrong\u003ethermal-magnetic trip unit\u003c\/strong\u003e combines fast magnetic response for short circuits with thermal delay for stable protection during overcurrent events, reducing nuisance trips while safeguarding wiring and equipment.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e ensures a rigid, vibration-resistant bus connection that stays put through panel servicing and busy environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection against overcurrent and short-circuit faults, balancing speed and selectivity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole design\u003c\/strong\u003e supports three-phase systems common in commercial and light industrial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e400A at 480V\u003c\/strong\u003e rating handles high-current branch circuits with room to spare for equipment and motor loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e works with matching Siemens OEM loadcenters and panelboards for a streamlined installation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e suitable for residential, commercial, and light industrial environments that require reliable protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical applications and scenarios\u003c\/h3\u003e \u003cp\u003eUse this bolt-on MCCB in service entrances, main distribution panels, or feeder circuits where three-phase power is present. It’s ideal for upgrading aging panels, integrating new equipment, or replacing a failing breaker in panelboards that demand consistent protection and solid electrical connections.\u003c\/p\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: JXD63H400\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 400A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 480V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e \u003cli\u003eMounting Style: Bolt-on\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNote: This description references AmpState’s listing for the Siemens JXD63H400. Ensure you’re selecting a breaker that matches your OEM panelboard’s specifications and installation requirements.\u003c\/p\u003e \u003cp\u003eEquip your panel with a trusted Siemens solution designed for dependable performance across residential, commercial, and light industrial settings. The JXD63H400 delivers robust protection, easy installation, and compatible integration with Siemens loadcenters to keep your electrical system running smoothly.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349818822818,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-jxd63h400-400-a-480-v-3-pole-bolt-on-circuit-breaker-383.webp?v=1788733131","url":"https:\/\/www.ampstate.com\/products\/siemens-jxd63h400-400a-480v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}