{"product_id":"siemens-jxd62b400-400a-600v-2-pole-bolt-on-circuit-breaker","title":"Siemens JXD62B400 - 400 A, 600 V, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens JXD62B400 400A, 600V, 2-Pole Bolt-On Molded Case Circuit Breaker\u003c\/strong\u003e is designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for performance in residential, commercial, and light industrial environments, it combines rugged mounting with precise protective behavior to keep electrical systems safe and reliable.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e delivers a rigid, vibration-resistant bus connection, maintaining a solid electrical path even in demanding or motion-prone installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection: the thermal element handles sustained overloads while the magnetic element quickly clamps short circuits, reducing nuisance trips and protecting connected equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e2-pole design, 400A, 600V\u003c\/strong\u003e enables simultaneous disconnection of both poles for comprehensive protection of large branch circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e designed to work with matching Siemens OEM loadcenters and panelboards, ensuring straightforward installation and reliable integration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e suitable for residential, commercial, and light industrial panels, offering flexible protection across a wide range of installations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters in real-world use:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eIn panelboards and load centers, a bolt-on breaker like the JXD62B400 provides a durable bus connection that resists loosening from vibration or handling, helping to prevent intermittent faults.\u003c\/li\u003e \u003cli\u003eThe thermal-magnetic protection differentiates between overloads and short circuits, supporting longer equipment life and minimizing unexpected outages in critical circuits.\u003c\/li\u003e \u003cli\u003eWhen upgrading or replacing an existing breaker, the JXD62B400’s compatibility with Siemens and OEM panels simplifies selection and installation, reducing the need for adapters or custom solutions.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e JXD62B400\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 400A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Bolt-on\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349815906466,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-jxd62b400-400-a-600-v-2-pole-bolt-on-circuit-breaker-790.webp?v=1788732956","url":"https:\/\/www.ampstate.com\/products\/siemens-jxd62b400-400a-600v-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}