{"product_id":"siemens-hqr23b250-250a-240v-3-pole-bolt-on-circuit-breaker","title":"Siemens HQR23B250 - 250 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eRelied upon by electrical professionals for dependable branch circuit protection, the Siemens HQR23B250 delivers solid performance in panelboards and load centers. With a 250A rating at 240V and a true 3-pole design, this bolt-on molded case circuit breaker is built to safeguard heavy-duty circuits in residential, commercial, and light industrial settings.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this breaker stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a rigid, vibration-resistant bus connection, reducing movement and maintaining reliable contact over time—even in rooms with equipment vibration or frequent cycling.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection by combining overcurrent and short-circuit sensing. This means predictable tripping behavior and consistent protection for your most critical circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e is engineered to work seamlessly with matching Siemens load centers and panelboards, ensuring smooth installation and serviceability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole, 250A performance\u003c\/strong\u003e ideal for balanced three-phase systems, providing simultaneous interruption on all conductors to prevent phase-to-phase faults and equipment damage.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for multiple applications\u003c\/strong\u003e—suitable for residential subdivisions, commercial spaces, and light industrial environments where robust, reliable protection matters most.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or expanding panelboards in commercial offices or retail spaces that demand dependable overcurrent protection on three-phase feeders.\u003c\/li\u003e \u003cli\u003eInstalling a subpanel in a data room or mechanical space where vibration and constant cycling require a secure, high-capacity breaker.\u003c\/li\u003e \u003cli\u003eReplacing aging breakers in panel centers to restore precise protection curves and reduce nuisance trips on critical circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: HQR23B250\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 250A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 240V\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 \u003cp\u003eDesigned for reliability under demanding conditions, the Siemens HQR23B250 is a smart choice when you need robust protection that aligns with Siemens’ panelboard ecosystems. Pair it with compatible load centers, follow proper bolt-on installation practices, and you’ll gain long-term protection for essential electrical infrastructure.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349814268066,"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_b7cf5c75-f8ef-4f02-87e3-912886c9c2da.png?v=1764157601","url":"https:\/\/www.ampstate.com\/products\/siemens-hqr23b250-250a-240v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}