{"product_id":"siemens-qj22b070-circuit-breaker","title":"Siemens | QJ22B070 | Circuit Breaker | 2-Pole | 10kA | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens QJ22B070 circuit breaker — a robust 2-pole, bolt-on solution designed for dependable protection in maintenance, retrofit, and replacement projects. With a 10kA interrupting capacity, it delivers strong fault protection for demanding electrical panels while maintaining a compact, serviceable profile.\u003c\/p\u003e \u003ch2\u003eWhy this breaker stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact compatibility reference\u003c\/strong\u003e: The QJ22B070 is the precise Siemens part number to verify when ensuring your panel supports this model.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTwo-pole design\u003c\/strong\u003e: Protects two conductors with a single device, simplifying wiring and future servicing.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on mounting\u003c\/strong\u003e: Quick, secure installation that stays put in both standard and more demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh fault protection\u003c\/strong\u003e: 10,000 amps of interrupting capacity provides enhanced protection during short-circuit events.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFit, compatibility, and installation\u003c\/h2\u003e\n\u003cp\u003eBefore ordering, confirm that your panel accepts bolt-on breakers and matches the two-pole configuration. Use the part number \u003cstrong\u003eQJ22B070\u003c\/strong\u003e as the primary reference for compatibility with Siemens systems. This breaker is tailored for Siemens panels and control architectures that support the QJ series bolt-on design.\u003c\/p\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and service replacements in commercial and light industrial panels\u003c\/li\u003e \u003cli\u003eRetrofit projects where existing breakers require an exact-spec upgrade\u003c\/li\u003e \u003cli\u003ePanel modernization and upgrades that demand reliable Siemens interoperability and robust short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical tips and best practices\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003ePlan downtime accordingly; bolt-on breakers typically replace existing units with minimal rewiring, but always verify any panel-specific steps.\u003c\/li\u003e \u003cli\u003eKeep \u003cstrong\u003eQJ22B070\u003c\/strong\u003e as your reference point for future service parts to ensure ongoing compatibility.\u003c\/li\u003e \u003cli\u003eAfter installation, inspect mounting screws and conductors for signs of wear or overheating, and follow standard lockout\/tagout procedures during any work.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eSpecifications at a glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePole:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInterrupting capacity:\u003c\/strong\u003e 10kA\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 QJ22B070\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425633161378,"sku":"QJ22B070","price":1344.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-qj22b070-circuit-breaker-2-pole-10ka-bolt-842.webp?v=1789434108","url":"https:\/\/www.ampstate.com\/products\/siemens-qj22b070-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}