{"product_id":"siemens-qjh22b070-circuit-breaker","title":"Siemens | QJH22B070 | Circuit Breaker | 70A | 2-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eWhen you need dependable overcurrent protection for a 240V circuit in a Siemens panel, the Siemens QJH22B070 circuit breaker is built to perform. This 70A, 2-pole bolt-on model is designed for maintenance, retrofit, and replacement scenarios where exact specifications matter.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 70 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-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 QJH22B070\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis two-pole, 240V design protects both legs of a split-phase circuit, ensuring coordinated shutoff on fault conditions and reducing risk to connected equipment. The bolt-on mounting provides a secure, robust connection ideal for panels that rely on fixed mounting rather than plug-in style breakers.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: replacing a failed or worn breaker in compatible Siemens panels without altering the panel configuration.\u003c\/li\u003e \u003cli\u003eRetrofit: upgrading circuit protection to a 70A, 2-pole 240V solution when upgrading load demands or meeting updated code requirements.\u003c\/li\u003e \u003cli\u003eReplacement: exact-spec replacement where QJH22B070 is specified, ensuring continued protection without panel modification.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCompatibility and installation tips\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm fit and ratings before ordering. The Part Number QJH22B070 is the best reference for compatibility.\u003c\/li\u003e \u003cli\u003ePower down the electrical panel and follow the panel’s installation manual. Bolt-on breakers require proper mounting hardware and torque as specified by Siemens for secure operation.\u003c\/li\u003e \u003cli\u003eVerify that the 70A rating aligns with the circuit’s load calculations; if the load exceeds this rating, consider a higher-capacity protection solution or alternative wiring arrangements.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eBuilt for professionals and serious DIYers restoring or upgrading Siemens systems, this breaker delivers reliable protection, straightforward installation, and durable performance in demanding electrical environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46424792629410,"sku":"QJH22B070","price":2098.0,"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-qjh22b070-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}