{"product_id":"siemens-qj23b100ha01-circuit-breaker","title":"Siemens | QJ23B100HA01 | Circuit Breaker | 100A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eDesigned for exacting replacement and retrofit projects, the Siemens QJ23B100HA01 is a bolt-on, 3-pole circuit breaker rated at 100A and 240V. Built to integrate with compatible Siemens panels, this unit delivers dependable overcurrent protection and straightforward serviceability in demanding commercial or industrial environments.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 100 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\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:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e QJ23B100HA01\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this model stands out\u003c\/h2\u003e\n\u003cp\u003eUnlike generic substitutes, this QJ-series bolt-on breaker is designed to fit specific Siemens panels. The three-pole configuration provides coordinated protection across three-phase equipment, making it suitable for commercial feeders and motor circuits. With a 100A rating, it protects equipment from overloads and short circuits without nuisance tripping in typical load profiles. Bolt-on mounting offers secure mechanical attachment and quicker field replacement, reducing downtime during electrical maintenance.\u003c\/p\u003e \u003ch2\u003eInstallation and compatibility tips\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eAlways verify fit and ratings before ordering. The part number QJ23B100HA01 is the most reliable reference for compatibility.\u003c\/li\u003e \u003cli\u003eEnsure the panel is de-energized and properly isolated before replacement. Follow lockout\/tagout procedures.\u003c\/li\u003e \u003cli\u003eConsult the panel's installation guide for the correct torque specs and mounting procedure for bolt-on breakers.\u003c\/li\u003e \u003cli\u003eUse this breaker in environments and panels labeled for Siemens QJ series bolt-on breakers and 240V, three-phase circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eScenarios where it shines\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eRetrofits in aging commercial panels where a 3-pole 240V, 100A breaker is required to protect motors or feeders.\u003c\/li\u003e \u003cli\u003eMaintenance replacements to restore original protection scheme without altering panel configuration.\u003c\/li\u003e \u003cli\u003eNew installations in small to mid-size commercial spaces with Siemens QJ bolt-on systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat to expect in terms of performance and reliability\u003c\/h2\u003e\n\u003cp\u003eWith Siemens engineering behind it, this breaker delivers consistent trip characteristics aligned with standard electrical protection practice. Its bolt-on design minimizes field wiring complexity by keeping terminals and conductors organized during service changes, which translates into faster maintenance windows and reduced downtime.\u003c\/p\u003e \u003ch2\u003eImportant safety and purchase notes\u003c\/h2\u003e\n\u003cp\u003eAlways confirm fit and ratings before ordering—using the QJ23B100HA01 part number as your primary reference helps ensure compatibility. Work with a qualified electrician, and ensure the panel and related feed-throughs are de-energized before any replacement or retrofit work.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427472789666,"sku":"QJ23B100HA01","price":4070.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/siemens-qj23b100ha01-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}