{"product_id":"siemens-qr23b200-200a-240v-3-pole-bolt-on-circuit-breaker","title":"Siemens QR23B200 - 200 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens QR23B200 is a 200 A, 240 V, 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit protection for panelboards and load centers. With a rugged bolt-on mounting design and precise thermal-magnetic trip technology, it’s built to perform reliably in demanding electrical environments.\u003c\/p\u003e \u003ch2\u003eWhy the QR23B200 stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e: Provides a rigid, vibration‑resistant bus connection that helps prevent loosening from equipment movement or vibrations in busy electrical spaces.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: Delivers stable, repeatable protection across temperature changes and varying load conditions, combining long-time overcurrent protection with instantaneous short-circuit response.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3-pole, 240 V performance\u003c\/strong\u003e: Ideal for balanced three‑phase systems and single-phase applications requiring robust 200 A protection, ensuring coordinated shutoff when faults occur.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e: Designed to pair seamlessly with matching Siemens OEM panelboards and load centers, simplifying installation and reducing compatibility concerns.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e: Suitable for residential, commercial, and light industrial settings—from feeding critical equipment to safeguarding multiple branch circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWho should consider this breaker\u003c\/h2\u003e\n\u003cp\u003e Contractors, facility managers, and electrical installers looking for a reliable, long‑lasting protection solution for main feeders and branch circuits will appreciate the QR23B200. If you’re retrofitting older panels or upgrading to a higher‑capacity distribution, this bolt-on breaker provides a direct, compatible replacement that maintains system integrity.\u003c\/p\u003e \u003ch2\u003ePractical use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eFeeding heavy machinery or motor loads in light industrial environments where vibration is a factor.\u003c\/li\u003e \u003cli\u003eUpgrading residential or commercial panelboards that require a robust 200 A, 3-pole protection device.\u003c\/li\u003e \u003cli\u003eReplacing aging breakers in Siemens OEM panels to preserve warranty compatibility and electrical performance.\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: QR23B200\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 200 A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 240 V\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\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355166593186,"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_574fa621-974f-4278-abcd-ce225df2a7b3.png?v=1764689915","url":"https:\/\/www.ampstate.com\/products\/siemens-qr23b200-200a-240v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}