{"product_id":"square-d-qob2701021-70a-2-pole-bolt-on-circuit-breaker","title":"Square D QOB2701021 - 70 A, 2-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QOB2701021 — a 70A, 2-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit protection in panelboards and load centers. Built for steady performance in real-world setups, it’s the reliable choice when you’re upgrading or replacing breakers in residential, commercial, and light industrial installations.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this breaker stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e provides a rigid, vibration-resistant bus connection, reducing the risk of loose connections and arcing in environments with movement or vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e offers stable, repeatable protection—thermal response handles sustained overloads while the magnetic element rapidly clears high-energy faults for quick isolation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e2-pole, 70A design\u003c\/strong\u003e supports balanced protection for multi-wire circuits and critical branch loads, making it ideal for main or branch circuit protection in panelboards.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e is specifically designed to pair with matching Square D OEM load centers and panelboards, ensuring fit, performance, and installation uniformity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e suited for residential panels, commercial applications, and light industrial environments where reliable short-circuit and overcurrent protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical snapshot\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e QOB2701021\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 70A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Bolt-on\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical usage notes: When integrating this breaker, plan for a 70A circuit profile and ensure your panelboard specifications align with a bolt-on, 2-pole configuration. For upgrades or replacements, verify OEM compatibility with your Square D load center to preserve performance characteristics. The bolt-on design not only simplifies installation but also helps maintain a solid, long-lasting connection in panels that see regular cycling and occasional vibrations.\u003c\/p\u003e \u003cp\u003eWhether you’re wiring a new panel or upgrading an aging distribution board, the Square D QOB2701021 delivers decisive protection with a robust mounting approach and a protection scheme you can trust. \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46355415007394,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/schnieder_and_square_d_breaker_and_panel_5b50c1c2-4d79-4c07-a3f5-1d45caf4c7a9.png?v=1764691959","url":"https:\/\/www.ampstate.com\/products\/square-d-qob2701021-70a-2-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}