{"product_id":"siemens-qjh23b20000s01-circuit-breaker","title":"Siemens | QJH23B20000S01 | Circuit Breaker | 200A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens QJH23B20000S01 is a robust 200A, 3-pole, 240V bolt-on circuit breaker crafted for reliable overcurrent protection in demanding electrical panels. Built by Siemens, this unit is engineered for retrofit, maintenance, and replacement projects where exact specifications matter, ensuring seamless compatibility with compatible Siemens panel configurations.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 200A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e QJH23B20000S01\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes this Siemens breaker stand out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact-fit compatibility for Siemens bolt-on panels.\u003c\/strong\u003e The QJH23B20000S01 is designed to match specific panel configurations that require a 3-pole, 200A, 240V bolt-on breaker, helping you avoid mismatches during retrofit or replacement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting.\u003c\/strong\u003e The bolt-on design delivers a dependable mechanical connection that stays solid in vibration-prone environments and busy service panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear compatibility reference.\u003c\/strong\u003e The part number is the most reliable way to confirm fit with your panel, making ordering straightforward and reducing installation risks.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGo-to choice for 3-phase protection.\u003c\/strong\u003e Ideal for 240V three-phase systems where consistent, reliable protection across all phases is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRetrofit upgrades in commercial or industrial panels that require a Siemens-brand, 200A, 3-pole, 240V bolt-on breaker.\u003c\/li\u003e \u003cli\u003eReplacement of a failed or scheduled-out-of-service breaker within Siemens panel architectures.\u003c\/li\u003e \u003cli\u003eMaintenance projects that demand exact-spec components to maintain panel labeling, certification, and safety margins.\u003c\/li\u003e \u003cli\u003eNew installations in 3-phase, 240V distributions where a compact bolt-on solution is preferred for secure mounting.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation tips and compatibility notes\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways \u003cstrong\u003econfirm fit and ratings\u003c\/strong\u003e before ordering. Use the part number QJH23B20000S01 as the primary compatibility reference.\u003c\/li\u003e \u003cli\u003eVerify your panel supports bolt-on breakers and that spacing, bus bar style, and mounting provisions match the unit.\u003c\/li\u003e \u003cli\u003eCheck panel labeling and documentation to ensure 200A, 3-pole, 240V protection is appropriate for the application.\u003c\/li\u003e \u003cli\u003eFor safety, \u003cstrong\u003einstall with the power off\u003c\/strong\u003e and have a qualified electrician handle mounting and wiring in accordance with local codes.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re upgrading an aging distribution system, performing a targeted retrofit, or replacing a failed component, the Siemens QJH23B20000S01 delivers dependable, OEM-grade protection for 240V, 3-phase circuits. Its bolt-on design provides a secure, long-lasting connection, while the clear part-number reference helps you confirm compatibility quickly—keeping your project on track and your equipment protected.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427471642786,"sku":"QJH23B20000S01","price":5582.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-qjh23b20000s01-circuit-breaker-200a-3-pole-240v-bolt-542.webp?v=1789727556","url":"https:\/\/www.ampstate.com\/products\/siemens-qjh23b20000s01-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}