{"product_id":"siemens-qj23b200h-200a-240v-3-pole-bolt-on-circuit-breaker","title":"Siemens QJ23B200H - 200 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens \u003cstrong\u003eQJ23B200H\u003c\/strong\u003e—a robust 200A, 240V, 3-pole bolt-on molded case circuit breaker designed to guard every branch circuit in panelboards and load centers. Built for enduring performance in homes, offices, and light industrial setups, this breaker delivers dependable overcurrent and short-circuit protection when it matters most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on mounting\u003c\/strong\u003e provides a rigid, vibration‑resistant connection to the bus, helping maintain reliable trip performance even in environments with equipment vibration or movement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal‑magnetic trip unit\u003c\/strong\u003e combines slow-blow current handling with fast magnetic protection, delivering stable, repeatable protection across a wide range of loads and inrush conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM‑compatible design\u003c\/strong\u003e is engineered to pair with matching Siemens load centers and panelboards, ensuring seamless integration and reliable bus connections.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole configuration\u003c\/strong\u003e protects 3‑phase circuits, promoting balanced protection for all phases and reducing the risk of uneven fault conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple settings\u003c\/strong\u003e ideal for residential, commercial, and light industrial applications where dependable branch‑circuit protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this matters for your panel\u003c\/h3\u003e\n\u003cp\u003eThe QJ23B200H is more than a breaker—it's a strategic component that supports system uptime and safety. By combining a sturdy bolt‑on mount, precise thermal‑magnetic protection, and OEM compatibility, it minimizes downtime during maintenance and simplifies panel servicing. Its 200A rating makes it suitable for feeders and large branch circuits, while the 3‑pole design ensures comprehensive protection in three‑phase installations.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e QJ23B200H\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 200A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\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 \u003ch3\u003ePractical use cases and installation mindset\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProtect 3‑phase equipment and feeders in commercial spaces, data rooms, or light industrial panels where reliable trip characteristics are critical.\u003c\/li\u003e \u003cli\u003eUpgrade or retrofit existing panelboards that require a compatible, high‑capacity bolt‑on breaker to maintain system integrity.\u003c\/li\u003e \u003cli\u003ePair with Siemens load centers designed for bolt‑on devices to ensure a clean, secure bus connection and straightforward servicing.\u003c\/li\u003e \u003cli\u003eIdeal for applications where vibration is a factor, such as equipment rooms with heavy mechanical loads or HVAC banks, thanks to its rigid mounting approach.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Siemens QJ23B200H when you need durable, precise protection for large 3‑phase circuits backed by engineering that aligns with Siemens panel ecosystems. It’s a purpose‑built solution for reliable overcurrent and short‑circuit defense that electricians and facility managers can trust for long‑term performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355161809058,"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_bf9275c1-8380-4638-91ac-600bc19bef1c.png?v=1764689849","url":"https:\/\/www.ampstate.com\/products\/siemens-qj23b200h-200a-240v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}