{"product_id":"siemens-hqj3b150h00s01-circuit-breaker","title":"Siemens | HQJ3B150H00S01 | Circuit Breaker | 150A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens HQJ3B150H00S01 Circuit Breaker — a bolt-on, three‑pole protection device built for demanding 3‑phase 240V systems. With a nominal 150A rating, this unit delivers dependable overload and short‑circuit protection while fitting cleanly into compatible Siemens panels during maintenance, retrofit, or replacement projects.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 150 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePole configuration:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting style:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e HQJ3B150H00S01\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this bolt-on design matters\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eSecure, mechanical mounting that stays put in rugged electrical environments, reducing the risk of loose connections.\u003c\/li\u003e \u003cli\u003eMounting compatible with Siemens panels that accept bolt-on circuit breakers, preserving original equipment ratings and trip characteristics.\u003c\/li\u003e \u003cli\u003eClear part identification (HQJ3B150H00S01) for fast ordering and accurate compatibility checks during retrofit or replacement.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eUse cases and ideal applications\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eMaintenance and service of commercial or industrial electrical rooms where three‑phase protection is required.\u003c\/li\u003e \u003cli\u003eRetrofit projects upgrading older panels to current Siemens bolt-on breakers while maintaining system ratings.\u003c\/li\u003e \u003cli\u003eReplacement of a failed 150A, 3‑pole unit in a 240V distribution panel without changing the surrounding hardware.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eImportant compatibility note: Confirm fit and ratings before ordering. The part number HQJ3B150H00S01 is the best reference for compatibility with your panel. If your Siemens panel requires bolt‑on, 3‑pole 240V protection in the HQJ3B family, this breaker delivers the intended performance and reliability.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427069612194,"sku":"HQJ3B150H00S01","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a0994f42-7fad-49d1-911a-c2784022b8c9.png?v=1765492979","url":"https:\/\/www.ampstate.com\/products\/siemens-hqj3b150h00s01-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}