{"product_id":"siemens-qj3b070ha01-circuit-breaker","title":"Siemens | QJ3B070HA01 | Circuit Breaker | 70A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens QJ3B070HA01 Circuit Breaker—a purpose-built 70A, 3-Pole device designed for 240V three-phase systems. This bolt-on breaker is crafted for maintenance, retrofit, and replacement projects where exact specifications matter, delivering dependable protection with straightforward installation.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 70A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e QJ3B070HA01\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for:\u003c\/strong\u003e maintenance, retrofit, and replacement where exact specs are required\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrongexact-fit reference:\u003e The part number QJ3B070HA01 is the most reliable reference for compatibility, helping you avoid misfits in demanding panels.\u003c\/strongexact-fit\u003e\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting:\u003c\/strong\u003e The bolt-on design provides a solid, vibration-resistant connection ideal for commercial and light industrial panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear 3-phase protection:\u003c\/strong\u003e Specifically suited for 3-pole, 240V applications, giving you straightforward, dependable overcurrent protection for every leg of the system.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTrade-ready replacement:\u003c\/strong\u003e A practical choice for retrofit or replacement projects where matching Siemens specifications minimizes panel modifications.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance: swap-in a like-for-like breaker to restore original protection after a fault or wear.\u003c\/li\u003e \u003cli\u003eRetrofit: upgrade or refresh existing 240V 3-phase panels that require a 70A, 3-pole bolt-on unit.\u003c\/li\u003e \u003cli\u003eReplacement: quickly replace an aging breaker with a Siemens QJ-series-compatible part to maintain consistent electrical protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings to ensure a seamless installation. Use the part number QJ3B070HA01 as your primary compatibility reference, and verify that the panel design accepts bolt-on breakers and supports 70A, 240V 3-phase protection. This approach helps minimize downtime and ensures you’re maintaining the manufacturer's intended protection scheme.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427420491938,"sku":"QJ3B070HA01","price":510.0,"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-qj3b070ha01-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}