{"product_id":"siemens-hqj23b125h-circuit-breaker","title":"Siemens | HQJ23B125H | Circuit Breaker | 3-Pole | 100kA | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens HQJ23B125H\u003c\/strong\u003e is a robust 3-pole bolt-on circuit breaker engineered for demanding electrical panels. With a 100 kA interrupting rating, this device provides bold, reliable fault protection for high-energy systems where fast, decisive interruption is critical.\u003c\/p\u003e \u003cp\u003eDesigned for maintenance, retrofit, and replacement projects, HQJ23B125H lets you match existing specs exactly, keeping your protection scheme intact while minimizing downtime.\u003c\/p\u003e \u003ch4\u003eKey specifications\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePole configuration:\u003c\/strong\u003e 3-pole, suitable for three-phase protection\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInterrupting rating:\u003c\/strong\u003e 100 kA\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting style:\u003c\/strong\u003e Bolt-On for secure mechanical attachment in compatible Siemens enclosures\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReference:\u003c\/strong\u003e Part number HQJ23B125H is the best compatibility reference\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch4\u003eWhy this matters\u003c\/h4\u003e\n\u003cp\u003eIn industrial environments, protecting motors, drives, and distribution panels from short-circuit faults is essential. The HQJ23B125H provides robust protection margins to prevent equipment damage and reduce the risk of downtime. Its bolt-on design simplifies installation during planned maintenance or retrofit cycles, letting you upgrade or replace efficiently without reconfiguring the entire panel.\u003c\/p\u003e \u003ch4\u003eUse cases and ideal applications\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003eMaintenance routines: replace aged or worn breakers in existing Siemens panels without altering the surrounding protection scheme\u003c\/li\u003e \u003cli\u003eRetrofit projects: upgrade legacy installations to current protection specifications while maintaining compatibility with your bus and lugs\u003c\/li\u003e \u003cli\u003eReplacement scenarios: stock a spare HQJ23B125H to minimize panel downtime during service outages\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch4\u003eHow to verify fit\u003c\/h4\u003e\n\u003cp\u003eAlways confirm fit and ratings before ordering. The HQJ23B125H part number is the most reliable reference for compatibility with your Siemens panel model and operating requirements. If the breaker you’re replacing matches the 3-pole, 100 kA, and bolt-on configuration, this unit is designed to drop straight into service with minimal modification.\u003c\/p\u003e \u003ch4\u003ePractical reminders\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003eShut power off and follow lockout-tagout procedures before handling any circuit-breaking equipment.\u003c\/li\u003e \u003cli\u003eStore spares in their original packaging in a clean, dry environment to preserve performance.\u003c\/li\u003e \u003cli\u003eKeep a record of the part number HQJ23B125H for future maintenance and audits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425628049570,"sku":"HQJ23B125H","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/siemens-hqj23b125h-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}