{"product_id":"siemens-jxd22b400l-400a-240v-2-pole-circuit-breaker","title":"Siemens JXD22B400L - 400 A, 240 V, 2-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens JXD22B400L, a robust 2-pole molded case circuit breaker engineered for dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. With a 400A rating at 240V, this breaker is built to handle demanding residential, commercial, and light industrial applications while preserving space within your electrical panel.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design\u003c\/strong\u003e maximizes panel space, giving you more room for essential wiring and future expansion without compromising protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection against overloads and short circuits, reducing nuisance trips and ensuring reliable response when faults occur.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e400A, 240V, 2-pole configuration\u003c\/strong\u003e provides strong, coordinated protection for main feeders or large branch circuits, suitable for high-current installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e designed to integrate with matching Siemens OEM loadcenters and panelboards, ensuring a seamless, reliable fit and consistent performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile across settings\u003c\/strong\u003e ideal for residential service upgrades, commercial electrical rooms, and light industrial panel protection where space and reliability matter.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: JXD22B400L\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 400A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 240V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 2\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cp\u003eUse the JXD22B400L as a main disconnect for a large residential service, as a primary feeder breaker feeding a subpanel in a commercial space, or as a high-capacity protective device within a loadcenter. Its compact footprint and reliable thermal-magnetic protection make it a practical, long-lasting choice for configurations where space is at a premium and protection cannot be compromised.\u003c\/p\u003e \u003ch3\u003eWhy this Siemens breaker stands out\u003c\/h3\u003e\n\u003cp\u003eRather than a generic solution, the JXD22B400L is purpose-built to slot into Siemens’ protection ecosystem. That means consistent trip characteristics, straightforward field replacement, and dependable performance across compatible panelboards and loadcenters. If you’re upgrading or maintaining a high-current electrical system, this 400A, 240V, 2-pole breaker delivers clear, tangible protection you can trust.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349815054498,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_breaker_and_panel_2dfe523c-3e25-4ea6-992a-432fbd7332b3.png?v=1764157633","url":"https:\/\/www.ampstate.com\/products\/siemens-jxd22b400l-400a-240v-2-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}